CN115951172A

CN115951172A - Method, device and equipment for positioning metering point of abnormal unbalanced electric quantity of bus

Info

Publication number: CN115951172A
Application number: CN202310020756.1A
Authority: CN
Inventors: 丁晓; 苗玉鑫; 姜威; 张毅; 乌苏雅拉; 焦文松; 王学虎; 丁久贺; 岱钦; 佟睿; 沈志欣
Original assignee: Xingan Power Supply Company State Grid East Inner Mongolia Electric Power Co ltd; State Grid Corp of China SGCC
Current assignee: Xingan Power Supply Company State Grid East Inner Mongolia Electric Power Co ltd; State Grid Corp of China SGCC
Priority date: 2023-01-06
Filing date: 2023-01-06
Publication date: 2023-04-11

Abstract

The invention discloses a method, a device and equipment for positioning an abnormal metering point of unbalanced electric quantity of a bus, and relates to the technical field of safe operation of a power grid. The method includes integrating system data of an electric quantity acquisition system and a data acquisition and monitoring control system to form basic data, determining an input type circuit and an output type circuit relative to a bus and the unbalance rate of the electric quantity of the bus according to the basic data and current directions of the buses of all the circuits which are manually carded and are in the same station, and finally judging whether the circuits are abnormal or not based on the curve coupling relation between the unbalance rate of the electric quantity of the bus and the electric quantity of the circuits.

Description

Method, device and equipment for positioning metering point of abnormal unbalanced electric quantity of bus

Technical Field

The invention belongs to the technical field of safe operation of a power grid, and particularly relates to a method, a device and equipment for positioning an abnormal metering point of unbalanced electric quantity of a bus.

Background

The electric energy plays a crucial role in the national economic development of China all the time, and in recent years, with the rapid development of the national economy, the social electricity load is continuously increased, and the demand for the electric energy is also continuously increased. In order to achieve better economic benefits, power enterprises need to increase the attention on line loss management. The line loss rate is an important economic and technical index for comprehensively reflecting the planning design, production operation and management level of a power grid, and is a mark for measuring the line loss.

Monitoring net loss rate and bus electric quantity unbalance rate are important parts in line loss management work, and when the bus electric quantity unbalance rate sudden change exceeds a set threshold, relevant professionals are required to diagnose the reason of the sudden change in time, but the diagnosis method for diagnosing the bus electric quantity unbalance rate abnormity currently involves more links, and the time consumption is large: according to diagnosis, analysis and statistics of the bus electricity unbalance rate of the electricity-related professional, if the bus electricity unbalance rate is abnormal, only 85 minutes are needed on average in an abnormal point link of an analysis and metering device, 106.67 minutes are needed on average after the whole abnormal processing is completed, the working efficiency is over half of the working time in the morning, and the working efficiency is very low. Therefore, how to quickly locate an abnormal metering point when the bus electricity is unbalanced is a subject to which those skilled in the art need to study.

Disclosure of Invention

The invention aims to provide a method and a device for positioning an abnormal metering point of unbalanced bus electricity quantity, computer equipment and a computer readable storage medium, which are used for solving the problems that more time is consumed for positioning the abnormal metering point and the working efficiency is low when the bus electricity quantity is unbalanced at present.

In order to achieve the purpose, the invention adopts the following technical scheme:

in a first aspect, a method for positioning an abnormal metering point of unbalance of electric quantity of a bus is provided, which includes:

integrating system data of an electric quantity acquisition system and a data acquisition and monitoring control system to form basic data, wherein the basic data comprises first account data, second account data, first electric quantity recording data, second electric quantity recording data and account related data, the first account data comprises a first plant station unique identifier, a first line unique identifier, electric energy metering point multiplying power which is in one-to-one correspondence with the first line unique identifier in the electric quantity acquisition system, and one-to-many correspondence between the first plant station unique identifier and the first line unique identifier, the second account data includes a second station unique identifier, a second line unique identifier and a one-to-many correspondence relationship between the second station unique identifier and the second line unique identifier in the data acquisition and monitoring control system, the first electric quantity recording data includes an active forward electric quantity bottom table value and an active reverse electric quantity bottom table value which correspond to the first line unique identifier and are in all historical unit periods, the second electric quantity recording data includes an integrated electric quantity which corresponds to the second line unique identifier and is in all historical unit periods, and the account correlation data includes a one-to-one correspondence relationship between the first station unique identifier and the second station unique identifier and a one-to-one correspondence relationship between the first line unique identifier and the second line unique identifier;

determining at least one input type line identifier and at least one output type line identifier corresponding to the first station unique identifier or the second station unique identifier according to a one-to-many corresponding relationship between the first station unique identifier and the first line unique identifier or a one-to-many corresponding relationship between the second station unique identifier and the second line unique identifier in the basic data and current directions of buses of all lines in the same station after manual combing, wherein the input type line identifier refers to the first line unique identifier or the second line unique identifier corresponding to a line of an electric quantity inflow bus, and the output type line identifier refers to the first line unique identifier or the second line unique identifier corresponding to a line of an electric quantity outflow bus;

and calculating the bus electricity unbalance rates in a plurality of recent historical unit periods according to the following formula according to the basic data:

wherein i represents a positive integer, BPIR _i Represents a bus line electrical quantity unbalance rate of an ith historical unit period in the recent historical unit periods, M represents a positive integer, M represents the total number of identifiers of the at least one input type line identifier, k _m The multiplying power of the electric energy metering point, a, expressed in the basic data and corresponding to the mth input type line identifier in the at least one input type line identifier _m,i A value of active forward coulomb meter in the base data corresponding to the mth incoming line id and in the ith historical unit time period, a _m,i-1 Represented in said base data, with said secondThe active forward direction electric quantity bottom table value corresponding to the m input type line identifications and in the previous adjacent historical unit time interval, the previous adjacent historical unit time interval is an adjacent historical unit time interval which is positioned in the time sequence before the ith historical unit time interval, N represents a positive integer, N represents the total identification number of the at least one output type line identification, k represents the total identification number of the at least one output type line identification _n An electric energy metering point magnification, b, expressed in said basic data and corresponding to the nth output type line identification in said at least one output type line identification _n,i A value of a successful reverse coulomb counter corresponding to the nth output-type line id and in the ith history unit period, b, expressed in the basic data _n,i-1 Representing a value of a successful reverse electricity quantity bottom table corresponding to the nth output type line identification and in the previous adjacent historical unit time period in the basic data;

according to the bus electric quantity imbalance rates in the recent multiple historical unit periods, an imbalance rate curve with the time as the horizontal coordinate and the bus electric quantity imbalance rate as the vertical coordinate is drawn;

for each input type line identifier in the at least one input type line identifier, drawing an electric quantity curve which corresponds to the electric quantity curve, takes a horizontal coordinate as time and takes a vertical coordinate as integrated electric quantity according to the corresponding integrated electric quantity in the basic data and in the recent historical unit time intervals, and judging that the corresponding line is an abnormal metering point when the corresponding electric quantity curve is found to be linearly similar to the imbalance rate curve;

for each output type line identification in the at least one output type line identification, drawing an electric quantity curve which corresponds to the electric quantity curve and has a horizontal coordinate of time and a vertical coordinate of integrated electric quantity according to the corresponding integrated electric quantity in the basic data and in the recent historical unit time intervals, and judging that the corresponding line is an abnormal metering point when the linear opposite condition exists between the corresponding electric quantity curve and the imbalance rate curve;

and outputting and displaying the line as an abnormal metering point.

Based on the content of the invention, a new scheme is provided, which is based on an electric quantity acquisition system and a data acquisition and monitoring control system and can quickly locate an abnormal metering point when the electric quantity of a bus is unbalanced, namely, system data of the electric quantity acquisition system and the data acquisition and monitoring control system are integrated to form basic data, then input-type lines and output-type lines relative to the bus and the electric quantity unbalance rate of the bus are determined according to the basic data and the current direction of each line to the bus in the same station, which is manually carded, and finally whether the line is abnormal or not is judged based on the curve coupling relation between the electric quantity unbalance rate of the bus and the electric quantity of the line.

In one possible design, integrating system data of the power collection system and the data collection and monitoring control system to form basic data includes:

analyzing and acquiring equipment account data and time interval electric quantity data from a system data file from an electric quantity acquisition system, and acquiring model data and integral electric quantity data of a data acquisition and monitoring control system, wherein the equipment account data comprises a first plant station unique identifier, a first line unique identifier, electric energy metering point multiplying power corresponding to the first line unique identifier in one-to-one correspondence and one-to-many correspondence of the first plant station unique identifier and the first line unique identifier, the time interval electric quantity data comprises electric quantity bottom table values corresponding to the first line unique identifier and acquired in all historical unit time intervals, the model data comprises a second plant station unique identifier, a second line unique identifier and one-to-many correspondence of the second plant station unique identifier and the second line unique identifier in the data acquisition and monitoring control system, and the integral data comprises integral electric quantity corresponding to the second line unique identifier and acquired in all historical unit time intervals;

directly warehousing the equipment account data as first account data in basic data, and organizing and warehousing the time-interval electric quantity data to form first electric quantity record data in the basic data, wherein the first electric quantity record data comprise active forward electric quantity bottom table values and active reverse electric quantity bottom table values which correspond to the first line unique identifier and are in all historical unit time intervals;

directly storing the model data as second account data in the basic data, and directly storing the integral electric quantity data as second electric quantity recording data in the basic data;

outputting and displaying the equipment account data and the data used for the to-be-associated operation in the model data;

responding to manual association operation of a first station unique identifier in the equipment station account data, a first station unique identifier in the model data and a first line unique identifier in the equipment station account data and a first line unique identifier in the model data, and forming station account associated data in the basic data, wherein the station account associated data comprises a one-to-one correspondence relationship between the first station unique identifier and the second station unique identifier and a one-to-one correspondence relationship between the first line unique identifier and the second line unique identifier.

In one possible design, the system data of the power collection system and the data collection and monitoring control system are integrated to form basic data, and the method further includes:

analyzing and acquiring meter bottom data from a system data file from a power acquisition system, wherein the meter bottom data comprises a power bottom meter value which corresponds to the unique identifier of the first circuit and is acquired in a single historical unit time interval;

and sorting and warehousing the surface and bottom data to form the source tracing data in the basic data.

In one possible design, the analyzing and acquiring the equipment account data and the time interval electric quantity data from the system data file of the electric quantity acquisition system comprises:

receiving an E-format file which is from an electric quantity acquisition system and transmitted by a safety file transfer protocol;

converting an account file in the E-format file into a stream, analyzing the stream line by line to obtain equipment account data, analyzing a non-account file in the E-format file to obtain time-interval electric quantity data/meter bottom data, wherein the equipment account data comprises a first plant unique identifier, a first line unique identifier, electric energy metering point multiplying power corresponding to the first line unique identifier one by one and a one-to-many corresponding relation between the first plant unique identifier and the first line unique identifier in the electric quantity acquisition system, the time-interval electric quantity data comprises electric quantity meter bottom values corresponding to the first line unique identifier and acquired in all historical unit time intervals, and the meter bottom data comprises electric quantity meter bottom values corresponding to the first line unique identifier and acquired in a single historical unit time interval.

In one possible design, obtaining model data and integral electric quantity data of the data acquisition and monitoring control system includes:

and periodically synchronizing model data and integral electric quantity data of the data acquisition and monitoring control system to local equipment in a historical database synchronization mode, wherein the model data comprises a second plant station unique identifier, a second line unique identifier and a one-to-many correspondence relationship between the second plant station unique identifier and the second line unique identifier in the data acquisition and monitoring control system, and the integral electric quantity data comprises integral electric quantity corresponding to the second line unique identifier and in all historical unit periods.

In one possible design, the line that is output and presented as an exception metering point includes:

and aiming at the input type line identification or the output type line identification corresponding to the line which is the abnormal metering point, updating the multiplying power of the corresponding electric energy metering point as follows:

in the formula (I), the compound is shown in the specification,

representing a corresponding electric energy metering point multiplying power updating value, k representing the corresponding electric energy metering point multiplying power in the basic data, eta representing a preset return coefficient and having a value range of (-1,0) U (0,1);

aiming at an input type line identification or an output type line identification corresponding to a line which is an abnormal metering point, substituting the multiplying power updating value of the corresponding electric energy metering point into the calculation formula of the bus electric quantity imbalance rate in the latest historical unit time intervals to obtain the corresponding new values of the bus electric quantity imbalance rate in the latest historical unit time intervals;

aiming at the input type line identification or the output type line identification corresponding to the line which is an abnormal metering point, if the new value of the corresponding bus electric quantity unbalance rate is found to be within a preset range of [ -2%,2% ], when the corresponding line is output and displayed, the corresponding electric energy metering point multiplying power updating value is also used as a reasonable multiplying power value and is output and displayed, so that the actual multiplying power is checked in cooperation with a manual site, and whether the corresponding line is a problem line or not is determined.

for an input type line identifier or an output type line identifier corresponding to a line which is an abnormal metering point, if a corresponding opposite terminal line identifier exists, taking the inverse of the active forward electric quantity bottom table value or the active reverse electric quantity bottom table value which is corresponding to the opposite terminal line identifier and is in the ith historical unit time interval as the corresponding active reverse electric quantity bottom table value or the active forward electric quantity bottom table value which is corresponding to the opposite terminal line identifier and is in the ith historical unit time interval, taking the inverse of the active forward electric quantity bottom table value or the active reverse electric quantity bottom table value which is corresponding to the opposite terminal line identifier and is in the previous adjacent historical unit time interval as the corresponding active reverse electric quantity bottom table value or the active forward electric quantity bottom table value which is in the previous adjacent historical unit time interval, and substituting the corresponding calculation formula of the bus electric quantity unbalance rate in the recent historical unit time intervals again to obtain a new value of the bus electric quantity unbalance rate in the recent historical unit time intervals;

and aiming at the input type line identification or the output type line identification corresponding to the line which is an abnormal metering point, if the new value of the unbalance rate of the corresponding bus electric quantity is found to be within a preset range of [ -2%,2% ], taking the corresponding line as a problem line and carrying out output display, otherwise, taking the corresponding line as a non-problem line and terminating the output display.

In a second aspect, a device for positioning an abnormal metering point of unbalanced electric quantity of a bus is provided, which comprises a data integration module, a line determination module, a calculation module, a curve drawing module and an output display module;

the data integration module is used for integrating system data of an electric quantity acquisition system and a data acquisition and monitoring control system to form basic data, wherein the basic data comprises first account data, second account data, first electric quantity recording data, second electric quantity recording data and account correlation data, the first account data comprises a first station unique identifier, a first line unique identifier, electric energy metering point multiplying power corresponding to the first line unique identifier one by one and a one-to-many corresponding relation between the first station unique identifier and the first line unique identifier in the electric quantity acquisition system, the second account data includes a second station unique identifier, a second line unique identifier and a one-to-many correspondence relationship between the second station unique identifier and the second line unique identifier in the data acquisition and monitoring control system, the first electric quantity recording data includes an active forward electric quantity bottom table value and an active reverse electric quantity bottom table value which correspond to the first line unique identifier and are in all historical unit periods, the second electric quantity recording data includes an integrated electric quantity which corresponds to the second line unique identifier and is in all historical unit periods, and the account correlation data includes a one-to-one correspondence relationship between the first station unique identifier and the second station unique identifier and a one-to-one correspondence relationship between the first line unique identifier and the second line unique identifier;

the line determining module is communicatively connected to the data integration module, and is configured to determine, according to a one-to-many correspondence between the first plant unique identifier and the first line unique identifier or a one-to-many correspondence between the second plant unique identifier and the second line unique identifier in the basic data, and according to a current direction of each line pair bus that is manually carded and is in the same plant, at least one input-type line identifier and at least one output-type line identifier that correspond to the first plant unique identifier or the second plant unique identifier, where the input-type line identifier is the first line unique identifier or the second line unique identifier that corresponds to a line through which electric power flows into the bus, and the output-type line identifier is the first line unique identifier or the second line unique identifier that corresponds to a line through which electric power flows out the bus;

the calculation module is respectively in communication connection with the data integration module and the line determination module, and is configured to calculate, according to the basic data, a bus electricity imbalance rate in a plurality of recent historical unit periods according to the following formula:

wherein i represents a positive integer, BPIR _i Representing a bus line electricity quantity unbalance rate of an ith historical unit period in the latest historical unit periods, M represents a positive integer, M represents the total number of identifiers of the at least one input type line identifier, k _m The multiplying power of the electric energy metering point, a, expressed in the basic data and corresponding to the mth input type line identifier in the at least one input type line identifier _m,i Indicating presence of the ith history unit period corresponding to the mth input type line identification in the basic dataBottom value of the positive wattage meter, a _m,i-1 A value of active forward coulomb meter corresponding to the mth input-type line id and in a previous adjacent history unit period in the basic data, wherein the previous adjacent history unit period is an adjacent history unit period chronologically before the ith history unit period, N represents a positive integer, N represents a total number of ids of the at least one output-type line id, k represents a total number of ids of the at least one output-type line id, and _n an electric energy metering point magnification, b, expressed in said basic data and corresponding to the nth output type line identification in said at least one output type line identification _n,i A value of a successful reverse electricity bottom table in the basic data corresponding to the nth output type line identification and in the ith history unit period, b _n,i-1 Representing a value of a successful reverse electricity quantity bottom table corresponding to the nth output type line identification and in the previous adjacent historical unit time period in the basic data;

the curve drawing module is in communication connection with the calculation module and is used for drawing an unbalance rate curve with a transverse coordinate as time and a longitudinal coordinate as the unbalance rate of the bus electricity quantity according to the unbalance rates of the bus electricity quantity in the latest multiple historical unit periods;

the curve drawing module is further in communication connection with the data integration module, and is configured to draw, for each input-type line identifier in the at least one input-type line identifier, an electric quantity curve with a time transverse coordinate and an integrated electric quantity vertical coordinate according to the corresponding integrated electric quantity in the basic data and in the recent multiple historical unit time periods, determine that the corresponding line is an abnormal metering point when a linear similarity between the corresponding electric quantity curve and the imbalance rate curve is found, draw, for each output-type line identifier in the at least one output-type line identifier, an electric quantity curve with a time transverse coordinate and an integrated electric quantity vertical coordinate according to the corresponding integrated electric quantity in the basic data and in the recent multiple historical unit time periods, and determine that the corresponding line is an abnormal metering point when a linear opposite between the corresponding electric quantity curve and the imbalance rate curve is found;

and the output display module is in communication connection with the curve drawing module and is used for outputting and displaying the line as an abnormal metering point.

In a third aspect, the present invention provides a computer device, including a memory, a processor, and a transceiver, which are sequentially connected in a communication manner, where the memory is used for storing a computer program, the transceiver is used for sending and receiving messages, and the processor is used for reading the computer program and executing the bus imbalance abnormal metering point positioning method according to the first aspect or any possible design of the first aspect.

In a fourth aspect, the present invention provides a computer-readable storage medium, where instructions are stored, and when the instructions are executed on a computer, the method for positioning an abnormal metering point of bus imbalance according to the first aspect or any possible design of the first aspect is executed.

In a fifth aspect, the present invention provides a computer program product containing instructions, which when executed on a computer, cause the computer to perform the method for locating a bus imbalance electrical quantity anomaly metering point according to the first aspect or any possible design of the first aspect.

The beneficial effect of above-mentioned scheme:

(1) The invention creatively provides a new scheme which is based on an electric quantity acquisition system and a data acquisition and monitoring control system and can quickly position an abnormal metering point when the electric quantity of a bus is unbalanced, namely, system data of the electric quantity acquisition system and the data acquisition and monitoring control system are integrated to form basic data, then input-type lines and output-type lines relative to the bus and the electric quantity unbalance rate of the bus are determined according to the basic data and the current direction of each line to the bus in the same station which is manually carded, and finally whether the line is abnormal or not is judged based on the curve coupling relation between the electric quantity unbalance rate of the bus and the electric quantity of the line, so that the abnormal metering point can be quickly positioned by utilizing the real-time property of the system data when the electric quantity of the bus is unbalanced, thereby not only reducing a large number of manpower and material resources and playing an effect of quality improvement, but also guiding the economic operation of elements of a transformer substation, providing a theoretical strategy for loss reduction and efficiency improvement, being beneficial to effectively finding out a fault point, eliminating faults and improving the accuracy of the system data;

(2) The reasonable multiplying power value can be automatically calculated through a preset truing coefficient, the purposes of replacing manual calculation and greatly shortening the time required by calculation are achieved, the time for judging the suspected multiplying power problem can be further reduced, and the method is further beneficial for workers to timely and effectively find out fault points and eliminate faults;

(3) Whether the line which is an abnormal metering point is a problem line or not can be verified by calling the electric quantity data of the opposite-end line, the purposes of replacing manual calculation and greatly shortening the required calculation time are achieved, the time for judging the problem line can be reduced, and therefore the working personnel can find out fault points timely and effectively and can remove faults.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic flow chart of a method for positioning an abnormal metering point of bus imbalance of electric quantity according to an embodiment of the present application.

Fig. 2 is a data example diagram of table bottom data provided in an embodiment of the present application.

Fig. 3 is a data example diagram of time-interval power data provided in the embodiment of the present application.

Fig. 4 is a diagram of an example of data of a st file in device account data according to an embodiment of the present application.

Fig. 5 is a diagram of an example of am files in device account data according to an embodiment of the present application.

Fig. 6 is a data example diagram of a cu file in device account data according to an embodiment of the present application.

Fig. 7 is an exemplary graph of daily data obtained based on data of the power collection system according to the embodiment of the present application.

Fig. 8 is an exemplary graph of daily data obtained based on data of the data acquisition and monitoring control system according to an embodiment of the present application.

Fig. 9 is an exemplary diagram of a device account association relationship maintenance page provided in an embodiment of the present application.

Fig. 10 is a data example diagram of association table data provided in an embodiment of the present application.

Fig. 11 is an exemplary diagram of a bus bar model formula provided in an embodiment of the present application.

Fig. 12 is an exemplary diagram illustrating a case where a curve coupling relationship between a bus power imbalance rate and a line power has a linear approximation.

Fig. 13 is an exemplary diagram of a case where there is no linear similarity between the curve coupling relationship between the bus electricity imbalance rate and the line electricity provided in the embodiment of the present application.

Fig. 14 is an exemplary diagram illustrating a linear inverse relationship between a bus power imbalance ratio and a line power according to an embodiment of the present disclosure.

Fig. 15 is a schematic structural diagram of a device for positioning an abnormal metering point of unbalanced electrical quantity of a bus according to an embodiment of the present application.

Fig. 16 is a schematic structural diagram of a computer device according to an embodiment of the present application.

Detailed Description

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention will be briefly described below with reference to the accompanying drawings and the embodiments or the description in the prior art, it is obvious that the following description of the structure of the drawings is only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto.

It will be understood that, although the terms first, second, etc. may be used herein to describe various objects, these objects should not be limited by these terms. These terms are only used to distinguish one object from another. For example, a first object may be referred to as a second object, and a second object may similarly be referred to as a first object, without departing from the scope of example embodiments of the invention.

It should be understood that, for the term "and/or" as may appear herein, it is merely an associative relationship that describes an associated object, meaning that three relationships may exist, e.g., a and/or B may mean: a exists independently, B exists independently or A and B exist simultaneously; as another example, A, B and/or C, may indicate the presence of any one or any combination of A, B and C; for the term "/and" as may appear herein, which describes another associative object relationship, it means that two relationships may exist, e.g., a/and B, may mean: a exists singly or A and B exist simultaneously; in addition, with respect to the character "/" which may appear herein, it generally means that the former and latter associated objects are in an "or" relationship.

The embodiment is as follows:

as shown in fig. 1, the method for positioning an abnormal metering point of unbalanced electrical quantity of a bus provided in the first aspect of this embodiment may be, but is not limited to be, executed by a Computer device having certain computing resources, for example, an electronic device such as a platform server, a Personal Computer (PC, which refers to a multipurpose Computer with a size, price and performance suitable for Personal use, a desktop Computer, a notebook Computer, a small notebook Computer, a tablet Computer, an ultrabook, and the like all belong to a Personal Computer), a smart phone, a Personal Digital Assistant (PDA), or a wearable device. As shown in fig. 1, the method for positioning an abnormal metering point of bus imbalance of electric quantity may include, but is not limited to, the following steps S1 to S7.

S1, integrating system data of an electric quantity acquisition system and a data acquisition and monitoring control system to form basic data, wherein the basic data comprises but is not limited to first account data, second account data, first electric quantity recording data, second electric quantity recording data, account correlation data and the like, the first account data comprises but is not limited to a first plant station unique identifier, a first line unique identifier, electric energy metering point multiplying power corresponding to the first line unique identifier in a one-to-one mode, a one-to-many corresponding relation between the first plant station unique identifier and the first line unique identifier and the like in the electric quantity acquisition system, the second account data comprises but is not limited to a second plant station unique identifier, a second line unique identifier, a one-to-many corresponding relation between the second plant station unique identifier and the second line unique identifier and the like in the data acquisition and monitoring control system, the first electric quantity recording data comprise, but are not limited to, active forward electric quantity bottom meter values, active reverse electric quantity bottom meter values and the like corresponding to the first line unique identification and in all historical unit periods, the second electric quantity recording data comprise, but are not limited to, integral electric quantities and the like corresponding to the second line unique identification and in all historical unit periods, and the station account related data comprise, but are not limited to, a one-to-one correspondence relationship between the first station unique identification and the second station unique identification, a one-to-one correspondence relationship between the first line unique identification and the second line unique identification, and the like.

In the step S1, the power collection system and the SCADA (Supervisory control and data acquisition, SCADA) are both existing systems, wherein the power collection system can provide the following system data: (1) The table-bottom data, as shown in fig. 2, sequentially includes information such as sequence (i.e. positioning column during system parsing), number (i.e. acquisition amount ID in cu file, forming a corresponding relationship), time (i.e. specific time of current file data), electric quantity (i.e. electric quantity value from time of acquisition amount of number in file to last 15 minutes) and quality bit (temporarily not explained because it is unused); (2) Time-interval electric quantity data, as shown in fig. 3, sequentially contains information such as sequence (i.e. a positioning column during system analysis), number (i.e. the collection quantity ID in the cu file, forming a corresponding relationship), time (i.e. the specific time of the current file data), electric quantity (i.e. the bottom value of the collection quantity in the file numbered in the file in the schedule) and quality bit (which is not explained temporarily because it is not used); (3) The device account data specifically includes a st file, an am file, and a cu file, where the st file sequentially includes information such as a sequence (i.e., a positioning column during system parsing), a station ID (i.e., a unique identifier column of a station), a station name (i.e., a name column of a station), and a station type (i.e., a type column of a station), as shown in fig. 4; as shown in fig. 5, the am file sequentially includes information such as a sequence (i.e., a positioning column during system parsing), an electric meter ID (i.e., a unique identifier of the acquisition device, that is, a unique identifier of the device, which has a corresponding relationship with a line), an electric meter name (i.e., a name of the acquisition device, that is, a device name), a plant ID (i.e., a plant ID column in the st file, which forms a corresponding relationship with the line), a plant name (i.e., a plant name in the st file), a device type (i.e., which type of device the current acquisition device is installed on, such as a line or a main transformer, and thus a device type of the device), a CT (i.e., a CT transformation ratio of the current acquisition device), a PT (i.e., a PT transformation ratio of the current acquisition device), an LT (i.e., a multiplying power of the current acquisition device, that is, i.e., a multiplying power of an electric energy metering point), and a voltage class (i.e., a voltage class of the device where the current acquisition device is located); as shown in fig. 6, the cu file sequentially includes information such as an order (i.e., a positioning column during system parsing), an acquisition quantity ID (i.e., an acquisition quantity unique identifier), a description (i.e., an acquisition quantity name description), an apparatus ID (i.e., an electric meter ID in an am file corresponds to form a corresponding relationship), a CT (i.e., a CT transformation ratio of a current acquisition quantity), a PT (i.e., a PT transformation ratio of the current acquisition quantity), an LT (i.e., a current acquisition quantity multiplying factor, i.e., an electric energy metering point multiplying factor), and a voltage class (i.e., a voltage class of an apparatus where the current acquisition quantity is located). And the data acquisition and monitoring control system may provide the following system data: (4) Integral electric quantity data including a line ID in the model data and the calculated integral electric quantity; (5) The model data includes data such as a station ID and a line ID. Therefore, the aforementioned system data integrating the power collection system and the data collection and monitoring control system to form the basic data may specifically include, but is not limited to, the following steps S11 to S14.

The method comprises the steps of S11, resolving and obtaining equipment account data and time interval electric quantity data from a system data file from an electric quantity collection system, and obtaining model data and integral electric quantity data of a data collection and monitoring control system, wherein the equipment account data comprise but are not limited to a first station unique identifier (namely, a station ID in a st file), a first line unique identifier (namely, an electric meter ID in an am file and with a device type being a line), electric energy metering point multiplying power (namely, LT in a cu file) corresponding to the first line unique identifier in a one-to-one mode, a one-to-many correspondence relationship between the first station unique identifier and the first line unique identifier and the like, the time interval electric quantity data comprise but are not limited to electric quantity bottom table values (namely, electric quantity in the time interval data) corresponding to the first line unique identifier and collected in all historical unit time intervals (for example, all 15 minute intervals), and the like, the model data comprise but are not limited to electric quantity bottom table values (namely, electric quantity in the electric quantity data) corresponding to a second station unique identifier (namely, station ID in the station unique identifier), a second line identifier, namely, the second line identifier, the model data comprise but also comprise but the unique identifier corresponding to the second line identifier in the second line identifier and the integrated circuit unique identifier (namely, the electric quantity data) corresponding to the unique identifier in the historical integral unit intervals, and the corresponding to the monitored control system data, and the unique identifier of the line identifier of the unique identifier of the line identifier and the unique line identifier of the unique identifier of the line identifier.

In step S11, in detail, the device account data and the time period power data are parsed and obtained from the system data file from the power collection system, including but not limited to: firstly, receiving an E-format File which is from an electric quantity acquisition system and is transmitted by a Secure File Transfer Protocol (SFTP); then, converting station account files (i.e., st files, am files and cu files) in the E-format file into streams, analyzing the streams line by line, obtaining equipment station account data, analyzing non-station account files in the E-format file, and obtaining time-period electric quantity data/meter bottom data, wherein the equipment station account data includes but is not limited to a first station unique identifier, a first line unique identifier, an electric energy metering point multiplying power corresponding to the first line unique identifier one to one, a one-to-many correspondence relationship between the first station unique identifier and the first line unique identifier, and the like in the electric quantity acquisition system, the time-period electric quantity data includes but is not limited to electric quantity meter bottom values and the like which correspond to the first line unique identifier and are acquired in all historical unit time periods, and the meter bottom data includes but is not limited to electric quantity meter bottom values (i.e., electric quantity in meter bottom data) and the like which correspond to the first line unique identifier and are acquired in a single historical unit time period. And obtaining model data and integral electric quantity data of the data acquisition and monitoring control system, including but not limited to: and periodically (for example, every 1 hour) synchronizing model data and integral electric quantity data of the data acquisition and monitoring control system to the local device by means of synchronization of a historical database, wherein the model data includes, but is not limited to, a second plant station unique identifier, a second line unique identifier, a one-to-many correspondence relationship between the second plant station unique identifier and the second line unique identifier, and the like in the data acquisition and monitoring control system, and the integral electric quantity data includes, but is not limited to, integral electric quantity corresponding to the second line unique identifier and in all historical unit periods, and the like.

And S12, directly warehousing the equipment account data as first account data in basic data, and organizing and warehousing the time-interval electric quantity data to form first electric quantity recording data in the basic data, wherein the first electric quantity recording data comprise but are not limited to active forward electric quantity bottom table numerical values and active reverse electric quantity bottom table numerical values which correspond to the first line unique identification and are in all historical unit time intervals.

In the step S12, a specific arrangement manner of the time interval electric quantity data is an existing conventional manner. The first account data and the first charge record data finally put in storage may be, but not limited to, calendar data as shown in fig. 7. In addition, if the table-bottom data is analyzed and obtained from a system data file from the electric quantity acquisition system, the table-bottom data can be further sorted and put in storage to form the traceability data in the basic data.

And S13, directly storing the model data as second account data in the basic data, and directly storing the integral electric quantity data as second electric quantity recording data in the basic data.

In the step S13, the second account data and the second electricity quantity recording data finally put in storage may be, but not limited to, calendar data as shown in fig. 8.

And S14, outputting and displaying the equipment account data and the data used for the to-be-associated operation in the model data.

In the step S14, the device account data and the data for the operation to be associated in the model data can be displayed on, but not limited to, a device account association relationship maintenance page as shown in fig. 9.

And S15, responding to manual association operation of a first station unique identifier in the equipment station account data, a first station unique identifier in the model data and a first line unique identifier in the equipment station account data and a first line unique identifier in the model data to form station account associated data in the basic data, wherein the station account associated data comprises but is not limited to one-to-one correspondence between the first station unique identifier and the second station unique identifier and one-to-one correspondence between the first line unique identifier and the second line unique identifier.

In the step S15, the account related data finally put in storage may be, but not limited to, the related table data as shown in fig. 10.

S2, determining at least one input type line identifier and at least one output type line identifier corresponding to the first station unique identifier or the second station unique identifier according to a one-to-many corresponding relation between the first station unique identifier and the first line unique identifier or a one-to-many corresponding relation between the second station unique identifier and the second line unique identifier in the basic data and current directions of buses of all lines in the same station after manual combing, wherein the input type line identifier refers to the first line unique identifier or the second line unique identifier corresponding to a line of an electric quantity inflow bus, and the output type line identifier refers to the first line unique identifier or the second line unique identifier corresponding to a line of an electric quantity outflow bus.

After the step S2, a bus model formula can be created under the conditions of voltage class, plant station, line and the like based on at least one input line identifier and at least one output line identifier corresponding to the first plant station unique identifier or the second plant station unique identifier, as shown in fig. 11, and then the bus model formula is combined with the line and the basic data contained in the topological graph to form bus data which can be displayed in a panoramic manner in the bus electricity balance intelligent signboard, and the bus model formula can penetrate layer by layer to check the data flow direction (forward/backward direction) and the line electricity calculation formula of the line contained in the bus to a specific line metering point, so as to achieve the purpose of switching and checking the metering points by multiple systems.

And S3, calculating the unbalance rate of the bus electric quantity in a plurality of recent historical unit time intervals according to the basic data and the following formula:

/>

wherein i represents a positive integer, BPIR _i Representing a bus line electricity quantity unbalance rate of an ith historical unit period in the latest historical unit periods, M represents a positive integer, M represents the total number of identifiers of the at least one input type line identifier, k _m The multiplying power of the electric energy metering point, a, expressed in the basic data and corresponding to the mth input type line identifier in the at least one input type line identifier _m,i Representing a value of a positive electricity quantity bottom table corresponding to the m-th input type line identification and in the i-th history unit period in the basic data, a _m,i-1 A value of the active forward direction battery bottom table corresponding to the m-th input type line identification and in a previous adjacent history unit period in the basic data, the previous adjacent history unit period being located in the i-th history unit period in time seriesA previous adjacent history unit period, N represents a positive integer, N represents a total number of the at least one output type line identification, k _n An electric energy metering point magnification, b represented in the basic data and corresponding to an nth output type line identification among the at least one output type line identification _n,i A value of a successful reverse electricity bottom table in the basic data corresponding to the nth output type line identification and in the ith history unit period, b _n,i-1 A value representing a successful reverse coulomb meter in the base data corresponding to the nth output pattern line identity and over the immediately preceding adjacent historical unit period.

And S4, drawing and obtaining an unbalance rate curve with a transverse coordinate as time and a longitudinal coordinate as the unbalance rate of the electric quantity of the bus according to the unbalance rates of the electric quantity of the bus in the latest plurality of historical unit periods.

In the step S4, since it can be known from the formula shown in the step S3 that when the electric quantity of a certain line changes abruptly, the unbalance rate of the bus electric quantity will change accordingly, and therefore, by using the coupling between the electric quantity of the line and the unbalance rate of the bus electric quantity, the curve diagrams of the unbalance rate of the bus electric quantity and the electric quantity of the line can be drawn respectively, and then whether the line is abnormal or not can be determined according to the coupling relationship between the two curves. In particular, the imbalance curve may be plotted, but is not limited to, by echarts data visualization software.

S5, aiming at each input type line identification in the at least one input type line identification, drawing an electric quantity curve which is corresponding, has a transverse coordinate of time and a longitudinal coordinate of integrated electric quantity according to the corresponding integrated electric quantity in the basic data and in the recent historical unit time intervals, and judging that the corresponding line is an abnormal metering point when the corresponding electric quantity curve is close to the imbalance rate curve in a linear mode.

In step S5, as shown in fig. 12, since the electric quantity curve of the "optonormal main" line is linearly similar to (i.e., increases or decreases synchronously with) the imbalance rate curve, it is determined that the "optonormal main" line is an abnormal measurement point. On the contrary, as shown in fig. 13, since the power curve of the "#1 variable-high" line does not have a linear approximation with the imbalance rate curve, the "#1 variable-high" line can be determined as a normal metering point.

S6, aiming at each output type line identification in the at least one output type line identification, drawing and obtaining a corresponding electric quantity curve with a transverse coordinate as time and a longitudinal coordinate as integral electric quantity according to the corresponding integral electric quantity in the basic data and in the latest historical unit time intervals, and judging that the corresponding line is an abnormal metering point when the corresponding electric quantity curve and the imbalance rate curve have the condition of opposite linearity.

In step S6, as shown in fig. 14, since the power curve of the "burst line" and the imbalance rate curve are linearly opposite (i.e., increase or decrease in opposite directions), it is determined that the "burst line" is an abnormal metering point.

And S7, outputting and displaying the line as the abnormal metering point.

In the step S7, the line that is shown as an abnormal metering point in the bus electricity balance intelligent billboard may be, but is not limited to, so as to remind a worker to check whether the line is a problem line, so as to complete an analysis work in an abnormal point link of the metering device.

Therefore, based on the bus electricity unbalance abnormal metering point positioning method described in the steps S1 to S7, a new scheme is provided, which is based on an electricity collection system and a data collection and monitoring control system and can quickly position an abnormal metering point when the electricity of a bus is unbalanced, namely, system data of the electricity collection system and the data collection and monitoring control system are integrated to form basic data, then, according to the basic data and current directions of each line to the bus, which are manually carded and are in the same station, an input line, an output line and a bus electricity unbalance rate relative to the bus are determined, and finally, whether the line is abnormal or not is judged based on a curve coupling relation between the bus electricity unbalance rate and the line electricity, so that the abnormal metering point can be quickly positioned when the electricity of the bus is unbalanced, a large amount of manpower can be reduced, an effect of quality improvement and efficiency improvement can be achieved, economic operation of transformer substation elements can be guided, a theoretical strategy is provided for loss reduction and efficiency improvement, and workers can be facilitated to timely and effectively find out fault points, faults can be eliminated, and accuracy of system data can be improved.

In this embodiment, on the basis of the technical solution of the first aspect, a possible design for how to enrich output display content is provided, that is, in consideration of a process of finding a bus balance diagnosis analysis problem at the present stage, a processing method for preliminarily judging that a rate problem is suspected is a rate problem is to give a hypothetical reasonable rate according to comparison of historical electric quantities of gateways to days between different systems, and then, through manual regression calculation, a field operation and maintenance person is allowed to verify the real rate on the field, the method is long in time consumption and low in accuracy, and it can be seen from the formula of step S3 that a bus electric quantity imbalance rate is actually a linear combination of a series of values, so that within a given range of the bus electric quantity imbalance rate [ -2%,2% ] when an electric meter normally collects data, the rate of all lines is determined according to actual coil turns of a field PT and a CT, and an actual coil turn point combination of a field Voltage Transformer CT (Current Transformer) is limited, that an electric energy turn point combination is limited, and therefore, the output rate point of a line PT is a limited, and the steps S711 to 711 are included in the circuit.

S711, aiming at the input type line identification or the output type line identification corresponding to the line which is the abnormal metering point, updating the multiplying power of the corresponding electric energy metering point as follows:

in the formula (I), the compound is shown in the specification,

representing the corresponding electric energy metering point multiplying power updating value, k representing the corresponding electric energy metering point multiplying power in the basic data, and eta representing a preset truing systemThe number and the value range are (-1,0) U (0,1).

In step S711, the specific preset manner of the truing coefficient may be, but is not limited to: and calculating a plurality of multiplying power values through PT (potential transformer) turns and CT (current transformer) turns provided on site in advance, and then obtaining a plurality of truing coefficients according to the comparison result of the multiplying power values and the multiplying power of the corresponding electric energy metering points in the basic data. Further, the return-to-true coefficient may be exemplified as 0.25.

And S712, substituting the corresponding multiplying power updating value of the electric energy measuring point into the calculation formula of the bus electric quantity unbalance rate in the latest plurality of historical unit periods to obtain the corresponding new value of the bus electric quantity unbalance rate in the latest plurality of historical unit periods aiming at the input type line identification or the output type line identification corresponding to the line which is the abnormal measuring point.

S713, aiming at the input type line identification or the output type line identification corresponding to the line which is the abnormal metering point, if the new value of the corresponding bus electric quantity unbalance rate is found to be within the preset range of [ -2%,2% ], when the corresponding line is output and displayed, the corresponding electric energy metering point multiplying power updating value is also used as a reasonable multiplying power value and output and displayed, so that the actual multiplying power can be checked in cooperation with a manual site, and whether the corresponding line is the problem line or not is determined.

Therefore, based on the possible design I, the reasonable multiplying power value can be automatically calculated through the preset truing coefficient, the purposes of replacing manual calculation and greatly shortening the time required by calculation are achieved, the time for judging the suspected multiplying power problem can be further reduced, and the method is further beneficial for workers to timely and effectively find out fault points and remove faults.

In this embodiment, on the basis of the first aspect or the first possible technical solution, a second possible design is provided for how to check an abnormal metering point, that is, in consideration of a problem search process of bus balance diagnosis analysis at the present stage, sometimes the electric quantity of an opposite-end plant station line is needed to replace the electric quantity of the plant station line for problem analysis, but for a complex plant station, when the opposite-end replacement is needed, because the number of the related plant stations is large, workload is large when switching operation is performed manually, and efficiency is low, in a case of excluding a T-junction line, information such as the electric quantity of other lines (i.e., opposite-end plant station lines) can be called, and whether the line that is the abnormal metering point is a problem line is checked by taking back the electric quantity, specifically, in a step of outputting and displaying the line that is the abnormal metering point, the following steps S721 to S722 may be included, but are not limited thereto.

And S721, for the input type line identifier or the output type line identifier corresponding to the line which is an abnormal metering point, if a corresponding opposite end line identifier exists, negating the active forward electric quantity bottom table value or the active reverse electric quantity bottom table value which corresponds to the opposite end line identifier and is in the ith historical unit time interval in the basic data as the corresponding active reverse electric quantity bottom table value or the active forward electric quantity bottom table value which corresponds to the opposite end line identifier and is in the ith historical unit time interval, negating the active forward electric quantity bottom table value or the active reverse electric quantity bottom table value which corresponds to the opposite end line identifier and is in the previous adjacent historical unit time interval in the basic data as the corresponding active reverse electric quantity bottom table value or the active forward electric quantity bottom table value and is in the previous adjacent historical unit time interval, and substituting the calculation formula of the electric quantity unbalance rate of the bus in the latest historical unit time intervals again to obtain the new values of the electric quantity unbalance rate of the bus corresponding to the latest historical unit time intervals.

S722, aiming at the input type line identification or the output type line identification corresponding to the line which is the abnormal metering point, if the new value of the unbalance rate of the corresponding bus electric quantity is found to be within a preset range of [ -2%,2% ], the corresponding line is used as a problem line and output display is carried out, otherwise, the corresponding line is used as a non-problem line and the output display is terminated.

Therefore, based on the second possible design, whether the line which is an abnormal metering point is a problem line or not can be verified by calling the electric quantity data of the opposite-end line, the purposes of replacing manual calculation and greatly shortening the required calculation time are achieved, the time for judging the problem line can be reduced, and the method is further beneficial to workers to find out fault points and remove faults effectively in time.

As shown in fig. 15, a second aspect of the present embodiment provides a virtual device for implementing the method for positioning an abnormal metering point of unbalanced bus electricity quantity according to any possible design in the first aspect or the first aspect, including a data integration module, a route determination module, a calculation module, a curve drawing module, and an output display module;

the data integration module is used for integrating system data of an electric quantity acquisition system and a data acquisition and monitoring control system to form basic data, wherein the basic data comprises first account data, second account data, first electric quantity recording data, second electric quantity recording data and account correlation data, the first account data comprises a first station unique identifier, a first line unique identifier, electric energy metering point multiplying power which is in one-to-one correspondence with the first line unique identifier in the electric quantity acquisition system, and a one-to-many correspondence relationship between the first station unique identifier and the first line unique identifier, the second station account data comprises a second station unique identifier, a second line unique identifier and a one-to-many corresponding relation between the second station unique identifier and the second line unique identifier in the data acquisition and monitoring control system, the first electric quantity recording data comprises active forward electric quantity bottom table values and active reverse electric quantity bottom table values which correspond to the first line unique identifier and are in all historical unit periods, the second electric quantity recording data comprises integrated electric quantity which corresponds to the second line unique identifier and is in all historical unit periods, and the account association data comprises a one-to-one corresponding relation between the first station unique identifier and the second station unique identifier and a one-to-one corresponding relation between the first line unique identifier and the second line unique identifier;

the line determining module is in communication connection with the data integration module, and is configured to determine, according to a one-to-many correspondence relationship between the first plant station unique identifier and the first line unique identifier or a one-to-many correspondence relationship between the second plant station unique identifier and the second line unique identifier in the basic data, and according to a current direction of each line pair bus in the same plant station and after being manually combed, at least one input-type line identifier and at least one output-type line identifier corresponding to the first plant station unique identifier or the second plant station unique identifier, where the input-type line identifier is the first line unique identifier or the second line unique identifier corresponding to a line in which electric quantity flows into a bus, and the output-type line identifier is the first line unique identifier or the second line unique identifier corresponding to a line in which electric quantity flows out of the bus;

the calculation module is respectively in communication connection with the data integration module and the line determination module, and is configured to calculate, according to the basic data, the bus electricity imbalance rates in a plurality of recent historical unit periods according to the following formula:

wherein i represents a positive integer, BPIR _i Representing a bus line electricity quantity unbalance rate of an ith historical unit period in the latest historical unit periods, M represents a positive integer, M represents the total number of identifiers of the at least one input type line identifier, k _m The multiplying power of the electric energy metering point, a, expressed in the basic data and corresponding to the mth input type line identifier in the at least one input type line identifier _m,i Representing a value of a positive electricity quantity bottom table corresponding to the m-th input type line identification and in the i-th history unit period in the basic data, a _m,i-1 A value of active forward coulomb meter corresponding to the mth input-type line id and in a previous adjacent history unit period in the basic data, wherein the previous adjacent history unit period is an adjacent history unit period chronologically before the ith history unit period, N represents a positive integer, N represents a total number of ids of the at least one output-type line id, k represents a total number of ids of the at least one output-type line id, and _n an electric energy metering point magnification, b, expressed in said basic data and corresponding to the nth output type line identification in said at least one output type line identification _n,i To representA value of a successful reverse electricity bottom table in the basic data corresponding to the nth output type line identification and in the ith history unit period, b _n,i-1 A successful reverse coulomb meter value that is represented in the base data that corresponds to the nth output-type line identity and that is in the immediately preceding adjacent historical unit time period;

For the working process, the working details, and the technical effects of the foregoing apparatus provided in the second aspect of this embodiment, reference may be made to the first aspect or any method that may be designed for positioning the abnormal metering point of the imbalance of electric quantity of the bus in the first aspect, which is not described herein again.

As shown in fig. 16, a third aspect of the present embodiment provides a computer device for performing the method for positioning a bus imbalance of power amount abnormal metering point according to any possible design of the first aspect or the first aspect, where the computer device includes a memory, a processor, and a transceiver, which are sequentially connected in a communication manner, where the memory is used for storing a computer program, the transceiver is used for transceiving a message, and the processor is used for reading the computer program to perform the method for positioning a bus imbalance of power amount abnormal metering point according to any possible design of the first aspect or the first aspect. For example, the Memory may include, but is not limited to, a Random-Access Memory (RAM), a Read-Only Memory (ROM), a Flash Memory (Flash Memory), a First-in First-out (FIFO), a First-in Last-out (FILO), and/or a First-in Last-out (FILO); the processor may be, but is not limited to, a microprocessor of the model number STM32F105 family. In addition, the computer device may also include, but is not limited to, a power module, a display screen, and other necessary components.

For the working process, the working details, and the technical effects of the foregoing computer device provided in the third aspect of this embodiment, reference may be made to the first aspect or any possible design method for positioning an abnormal metering point of imbalance of electric quantity of a bus in the first aspect, which is not described herein again.

A fourth aspect of the present embodiment provides a computer-readable storage medium storing instructions including the bus imbalance electrical quantity abnormal measurement point positioning method according to any possible design of the first aspect or the first aspect, where the instructions are stored on the computer-readable storage medium, and when the instructions are executed on a computer, the bus imbalance electrical quantity abnormal measurement point positioning method according to any possible design of the first aspect or the first aspect is executed. The computer-readable storage medium refers to a carrier for storing data, and may include, but is not limited to, a computer-readable storage medium such as a floppy disk, an optical disk, a hard disk, a flash memory, a flash disk and/or a memory stick (memory stick), and the computer may be a general-purpose computer, a special-purpose computer, a computer network, or other programmable devices.

For a working process, working details, and technical effects of the foregoing computer-readable storage medium provided in the fourth aspect of this embodiment, reference may be made to the method for positioning an abnormal metering point of bus imbalance of electric quantity in the first aspect or any design that may be described in the first aspect, which is not described herein again.

A fifth aspect of the present embodiment provides a computer program product containing instructions, when the instructions are executed on a computer, the computer is caused to execute the method for positioning an abnormal measurement point of bus imbalance according to the first aspect or any one of the possible designs of the first aspect. The computer may be a general purpose computer, a special purpose computer, a network of computers, or other programmable devices.

Finally, it should be noted that: the above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A method for positioning an abnormal metering point of electric quantity unbalance of a bus is characterized by comprising the following steps:

integrating system data of an electric quantity acquisition system and a data acquisition and monitoring control system to form basic data, wherein the basic data comprises first account data, second account data, first electric quantity recording data, second electric quantity recording data and account related data, the first account data comprises a first station unique identifier, a first line unique identifier, electric energy metering point multiplying power which corresponds to the first line unique identifier one by one and a one-to-many corresponding relation between the first station unique identifier and the first line unique identifier in the electric quantity acquisition system, the second account data comprises a second station unique identifier, a second line unique identifier and a one-to-many corresponding relation between the second station unique identifier and the second line unique identifier in the data acquisition and monitoring control system, the first electric quantity recording data comprises an active electric quantity forward bottom table value and an active reverse bottom table value which correspond to the first line unique identifier and are in all historical unit periods, and the second electric quantity recording data comprises a first line unique identifier and a second line identifier which correspond to the second line unique identifier one by one, and the first line identifier and the second line identifier correspond to the first line unique identifier in all historical unit periods, and the second line identifier and the first line unique identifier and the second line identifier correspond to the first line identifier one by one;

and calculating the bus electric quantity unbalance rates in a plurality of recent historical unit periods according to the following formula according to the basic data:

wherein i represents a positive integer, BPIR _i Represents a bus line electrical quantity unbalance rate of an ith historical unit period in the recent historical unit periods, M represents a positive integer, M represents the total number of identifiers of the at least one input type line identifier, k _m The multiplying power of the electric energy metering point, a, expressed in the basic data and corresponding to the mth input type line identifier in the at least one input type line identifier _m,i And said mth input type line expressed in said basic dataIdentifying a corresponding active forward coulomb base meter value, a, in the ith historical unit time period _m,i-1 A value of active forward coulomb meter corresponding to the mth input-type line id and in a previous adjacent history unit period in the basic data, wherein the previous adjacent history unit period is an adjacent history unit period chronologically before the ith history unit period, N represents a positive integer, N represents a total number of ids of the at least one output-type line id, k represents a total number of ids of the at least one output-type line id, and _n an electric energy metering point magnification, b, expressed in said basic data and corresponding to the nth output type line identification in said at least one output type line identification _n,i A value of a successful reverse coulomb counter corresponding to the nth output-type line id and in the ith history unit period, b, expressed in the basic data _n,i-1 Representing a value of a successful reverse electricity quantity bottom table corresponding to the nth output type line identification and in the previous adjacent historical unit time period in the basic data;

for each input type line identifier in the at least one input type line identifier, drawing an electric quantity curve which corresponds to the electric quantity curve and has a horizontal coordinate of time and a vertical coordinate of integrated electric quantity according to the corresponding integrated electric quantity in the basic data and in the recent historical unit time intervals, and judging that the corresponding line is an abnormal metering point when the corresponding electric quantity curve is found to be linearly similar to the imbalance rate curve;

and outputting and displaying the line as an abnormal metering point.

2. The method for positioning the abnormal metering point of the electric quantity unbalance of the bus according to claim 1, wherein the step of integrating system data of the electric quantity acquisition system and the data acquisition and monitoring control system to form basic data comprises the following steps:

outputting and displaying the equipment account data and the data used for the operation to be associated in the model data;

3. The method as claimed in claim 2, wherein the method for locating the measurement point of the unbalanced electrical quantity of the bus comprises integrating system data of an electrical quantity acquisition system and a data acquisition and monitoring control system to form basic data, and further comprises:

analyzing and acquiring meter bottom data from a system data file from a power acquisition system, wherein the meter bottom data comprises a meter bottom value of the power which corresponds to the unique identifier of the first circuit and is acquired in a single historical unit time interval;

4. The method as claimed in claim 2, wherein the step of parsing and obtaining the equipment account data and the time interval power data from the system data file of the power acquisition system comprises:

5. The method for positioning the abnormal metering point of the bus electricity unbalance according to claim 2, wherein the obtaining of the model data and the integral electricity quantity data of the data acquisition and monitoring control system comprises:

6. The method for positioning the abnormal metering point of the bus unbalance as recited in claim 1, wherein the line outputting and displaying the abnormal metering point comprises:

and aiming at the input type line identification or the output type line identification corresponding to the line which is the abnormal metering point, updating the multiplying power of the corresponding electric energy metering point into:

in the formula (I), the compound is shown in the specification,

substituting the corresponding multiplying power updating value of the electric energy metering point into the calculation formula of the bus electric quantity unbalance rates in the latest plurality of historical unit periods again aiming at the input type line identification or the output type line identification corresponding to the line which is the abnormal metering point to obtain the corresponding bus electric quantity unbalance rate new values in the latest plurality of historical unit periods;

7. The method for positioning the abnormal metering point of the bus unbalance as recited in claim 1, wherein the line outputting and displaying the abnormal metering point comprises:

for an input type line identifier or an output type line identifier corresponding to a line which is an abnormal metering point, if a corresponding opposite-end line identifier exists, taking the inverse of an active forward electric quantity bottom table numerical value or an active reverse electric quantity bottom table numerical value which is corresponding to the opposite-end line identifier and is in the ith historical unit time interval in the basic data as a corresponding active reverse electric quantity bottom table numerical value or an active forward electric quantity bottom table numerical value which is corresponding to the opposite-end line identifier and is in the ith historical unit time interval, taking the inverse of the active forward electric quantity bottom table numerical value or the active reverse electric quantity bottom table numerical value which is corresponding to the opposite-end line identifier and is in the previous adjacent historical unit time interval in the basic data as a corresponding active reverse electric quantity bottom table numerical value or an active forward electric quantity bottom table numerical value and is in the previous adjacent historical unit time interval, and substituting the calculation formula of the bus electric quantity unbalance rates in the latest historical unit time intervals again to obtain new values of the bus electric quantity unbalance in the latest historical unit time intervals;

and aiming at the input type line identification or the output type line identification corresponding to the line which is an abnormal metering point, if the new value of the corresponding bus electric quantity unbalance rate is found to be within a preset range of [ -2%,2% ], taking the corresponding line as a problem line and performing output display, otherwise, taking the corresponding line as a non-problem line and terminating the output display.

8. A bus electric quantity unbalance abnormal metering point positioning device is characterized by comprising a data integration module, a line determination module, a calculation module, a curve drawing module and an output display module;

the data integration module is configured to integrate system data of an electric quantity collection system and a data collection and monitoring control system to form basic data, where the basic data includes first account data, second account data, first electric quantity recording data, second electric quantity recording data, and account correlation data, the first account data includes a first station unique identifier, a first line unique identifier, an electric energy metering point multiplying power corresponding to the first line unique identifier one by one, and a one-to-many correspondence relationship between the first station unique identifier and the first line unique identifier in the electric quantity collection system, the second account data includes a second station unique identifier, a second line unique identifier, and a one-to-many correspondence relationship between the second station unique identifier and the second line unique identifier in the data collection and monitoring control system, the first electric quantity recording data includes a functional forward electric quantity base table value and a functional reverse electric quantity base table value corresponding to the first line unique identifier and corresponding to the first line unique identifier in all historical unit periods, the second electric quantity recording data includes a functional forward electric quantity base table point value and a functional reverse electric quantity base table value corresponding to the second line identifier in all historical unit periods, and the second electric quantity recording data includes a one-to-one correspondence relationship between the first station unique identifier and the second line identifier in all historical unit periods;

wherein i represents a positive integer, BPIR _i Representing a bus line electricity quantity unbalance rate of an ith historical unit period in the latest historical unit periods, M represents a positive integer, M represents the total number of identifiers of the at least one input type line identifier, k _m An electric energy metering point magnification, a, represented in said basic data and corresponding to the mth input type line identification in said at least one input type line identification _m,i Representing a value of a positive electricity quantity bottom table corresponding to the m-th input type line identification and in the i-th history unit period in the basic data, a _m,i-1 A value of active forward coulomb meter corresponding to the mth input-type line id and in a previous adjacent history unit period in the basic data, wherein the previous adjacent history unit period is an adjacent history unit period chronologically before the ith history unit period, N represents a positive integer, N represents a total number of ids of the at least one output-type line id, k represents a total number of ids of the at least one output-type line id, and _n an electric energy metering point magnification, b, expressed in said basic data and corresponding to the nth output type line identification in said at least one output type line identification _n,i A value of a successful reverse electricity bottom table in the basic data corresponding to the nth output type line identification and in the ith history unit period, b _n,i-1 A successful reverse coulomb meter value that is represented in the base data that corresponds to the nth output-type line identity and that is in the immediately preceding adjacent historical unit time period;

9. A computer device, comprising a memory, a processor and a transceiver which are connected in communication in sequence, wherein the memory is used for storing a computer program, the transceiver is used for sending and receiving messages, and the processor is used for reading the computer program and executing the bus imbalance electrical quantity abnormal metering point positioning method as claimed in any one of claims 1 to 7.

10. A computer-readable storage medium, wherein the computer-readable storage medium has instructions stored thereon, and when the instructions are executed on a computer, the method for positioning the abnormal metering point of bus imbalance of electricity amount according to any one of claims 1 to 7 is performed.