CN115829541A - Power grid information management system and method based on marketing and distribution information fusion technology - Google Patents
Power grid information management system and method based on marketing and distribution information fusion technology Download PDFInfo
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Abstract
The invention discloses a power grid information management system and method based on an operation and distribution information fusion technology, and belongs to the technical field of power grid information management. The system comprises an abnormal data acquisition module, a marketing and distribution fusion data processing module, a distribution comprehensive analysis module and an information scheduling module; the output end of the abnormal data acquisition module is connected with the input end of the marketing and distribution fusion data processing module; the output end of the marketing and distribution fusion data processing module is connected with the input end of the distribution comprehensive analysis module; and the output end of the power distribution comprehensive analysis module is connected with the input end of the information scheduling module. The invention can combine the unified expression and information sharing of marketing, power distribution and other data, realize the tight longitudinal and transverse information integration among all application systems, provide a good communication platform among customer service personnel, emergency repair personnel and repair personnel, achieve the integration of urban distribution network production and emergency repair command, and improve the actual requirement of high power supply reliability.
Description
Technical Field
The invention relates to the technical field of power grid information management, in particular to a power grid information management system and method based on an operation and distribution information fusion technology.
Background
The marketing and distribution integration technology is characterized in that marketing and distribution services are deeply integrated on an organization level, a service level, an application level and a management level, marketing and distribution basic archive data are uniformly managed, and a complete station-line-variable-box-household topological relation is established on the basis of complete, accurate and consistent power grid equipment archives to construct a marketing and distribution network; based on support type application of a power grid GIS, a power grid resource service center platform and the like, overall management of the whole distribution network planning, construction and operation processes is realized, and services such as accurate positioning of customer repair reporting, intelligent order dispatching, rapid study and judgment of faults of low-voltage and full links in the distribution network, global power failure analysis, operation and distribution survey integration, real-time and accurate line loss statistics and the like are supported.
At present electric wire netting marketing side, distribution network side, the distribution automation master station system and marketing side power consumption information acquisition system have been built and configured respectively, for two sets of completely independent systems, the distribution automation equipment of access between the two and equipment such as electric energy meter data concentrator, adopted the design of totally different data modeling, signal transmission mode etc. under current marketing and distribution integration big environment, realize that the interconnection of data intercommunicates and have following several difficult problems:
1. the data modeling modes of the two are different. The data modeling at the distribution network side only needs to classify, map and organize data types (remote signaling, remote measuring and remote control), and the flexibility is high. The data of the marketing side is organized into data models according to the characteristics of service types, terminal types (concentrators, electric energy meters, remote communication units and the like), various different models are defined, and the marketing side data model is basically without universality and has large application limitation.
2. The data organization modes are different, so that under the existing application condition, the marketing side cannot directly obtain proper distribution network operation data from the distribution network side to meet the power utilization business control requirement; and the distribution network side equipment needs to spend a great deal of effort to match various terminal equipment protocols of the marketing side, and performs data decoupling to obtain required distribution network end user side data, so that the engineering application efficiency is not high.
3. The two adopt different standards of convention: the data transmission of the distribution network side mainly follows DL/T634.5104-2009 telecontrol equipment and system part 5104, the data transmission of the marketing side mainly follows Q/GDW 1376-2013 power consumer electricity utilization information acquisition system communication protocol, and the data organization transmission formats of the distribution network side and the marketing side are different greatly and cannot be directly used.
Disclosure of Invention
The invention aims to provide a power grid information management system and a power grid information management method based on an operation and distribution information fusion technology, so as to solve the problems in the background technology.
In order to solve the technical problems, the invention provides the following technical scheme: a power grid information management method based on an operation and distribution information fusion technology comprises the following steps:
s1, acquiring real-time newly increased data of a marketing master station side, wherein the real-time newly increased data of the marketing master station side comprises fault first-aid repair data and newly increased data of distribution equipment received by the marketing master station side;
s2, constructing a marketing and distribution fusion data processing module, and forwarding the real-time newly increased data of the marketing master station side to the distribution master station side in real time to construct communication transmission; if the data is fault first-aid repair data, a team of operation and maintenance personnel is called to transmit fault position information in real time, and if the data is newly added to the power distribution equipment, the step S3 is carried out;
s3, acquiring a current real-time power distribution network provided by a power distribution master station side, analyzing whether the newly added power distribution equipment is located in the current real-time power distribution network, marking a position point of the newly added power distribution equipment if the newly added power distribution equipment is located in the current real-time power distribution network, and outputting the position point to a management port; if the current power distribution network is not located, constructing a newly-added power distribution equipment prediction model, setting a newly-added time period threshold, and scheduling the current power distribution network if the output prediction time period is higher than the newly-added time period threshold;
and S4, acquiring a power grid information scheduling instruction and outputting the power grid information scheduling instruction to a team port of the operation and maintenance personnel.
In step S2, the marketing and distribution fusion data processing module includes a model management unit and a memory management unit;
the model management unit comprises a parameter model, an equipment model, a data model and a mapping model; the memory management unit comprises a parameter area memory (namely a discontinuous memory) and a data area memory (namely a continuous memory);
the model files of the model management unit are in XML format, and the parameter model comprises an IEC104 parameter model on the distribution main station side and a DL698 parameter model on the marketing main station side; the equipment model comprises a fusion terminal access equipment model; the data model comprises a device data object model and a device data type model; the mapping model comprises a device data mapping model;
the power distribution main station side IEC104 parameter model is used for stipulating the content, format and parameter number of communication parameters and protocol parameters of IEC104 communication APP of the communication between the fusion terminal and the distribution main station; the marketing main station side DL698 parameter model is used for stipulating the content, format and parameter number of the communication parameters of the DL698 communication APP module for the communication between the fusion terminal and the marketing main station; the fusion terminal access equipment model is used for stipulating the parameter content, format and number of the equipment accessed by the fusion terminal; the equipment data object model is used for stipulating all data objects after equipment instantiation, and describing functions and related communication mapping of the equipment; the device data type model is used for defining definition data structures of all data types in the device data object model; the device data mapping model is used for specifying the mapping relation between the data identification and the data object and inquiring the offset of the data in the memory;
the memory management unit is used for completing the reading and writing functions of communication file parameters, data models and stored data in the operation process;
reading the parameter area memory from the configuration file and loading the parameter area memory into the memory; the data area memory is read from a data storage real-time library, the space of the data storage real-time library is a dynamically created and continuous memory, and after the data area memory is powered on, the space is calculated according to configuration and then the corresponding memory space is distributed;
the data in the data storage real-time library is stored according to the sequence of the device instances in the configuration, each instance comprises a plurality of data object instances, each data object comprises a plurality of data types, each data object type is a minimum storage unit, the offset of the object instance in the whole memory can be obtained according to the total length of the memory occupied by each instance object, and a specific data element in the data object instance is accessed according to the memory offset and the length of the data type in the data instance object, so that the data reading and writing of the memory in the data area are realized;
the allocating the corresponding memory space includes:
s2-1, loading IEDs from the xml files, wherein the loading quantity is consistent with the quantity configuration in the equipment data object model;
s2-2, acquiring a corresponding data object type according to a data object configured in the IED;
s2-3, loading each data object according to the type of the data object, accumulating the occupied length of the continuous memory, and recording the length corresponding to each data object and the offset address;
s2-4, repeating S2-3 until all data object types configured by S2-2 are loaded, and completing memory length calculation of a single IED;
s2-5, sequentially accumulating according to the IEDs loaded in the S2-1 to obtain the total number of continuous memories occupied by data storage;
and S2-6, applying for the continuous memory from the system for distribution according to the accumulated length.
According to the technical scheme, the newly-added power distribution equipment prediction model comprises the following steps:
the interval duration of the newly added distribution equipment is called by the system, the total data quantity N called by the newly added distribution equipment is set, and the interval duration of the newly added distribution equipment is recorded as a set A = { x } according to the time sequence 1 、x 2 、…、x N-1 In which x 1 、x 2 、…、x N-1 Respectively representing the interval duration of newly added distribution equipment under the total quantity of the called N groups of data; wherein x N-1 The interval duration between the current newly-added distribution equipment and the last newly-added distribution equipment is indicated;
accumulating and generating the set A, and recording the processed data as a new set A 1 ：
Wherein, y N-1 Represents a new set A 1 The group N-1 data of (1); i represents a serial number; x is the number of i Representing the ith data in the set A;
for new set A 1 Carrying out weighted neighbor value processing, and recording the processed data as a new set A 2 ：
z N-2 ＝cx N-2 +(1-c)x N-3
Wherein z is N-2 Represents a new set A 2 Group N-2 data of (1); c represents a weighted distribution ratio;
using least squares method, from set A, A 1 、A 2 And adopting a grey prediction model to generate a model output value:
T N ＝[x 1 -m]e -μ(N-1) +m
wherein, T N Representing the prediction interval duration of the next newly added power distribution equipment, wherein m represents a parameter vector to be estimated; μ represents the number of developing ashes;
wherein the calculation of the parameter vector to be estimated comprises the following steps:
construction of a New set A 1 Whitening differential equation of (1):
wherein μ is the developing grey number; omega is endogenous control ash number;
the parameter vector to be estimated is:
wherein m refers to the parameter vector to be estimated.
According to the technical scheme, the system sets a newly-added time period threshold value if the output T is T N If the time period is higher than the newly increased time period threshold value, scheduling the current power distribution network;
and the system acquires a power grid information scheduling instruction and outputs the power grid information scheduling instruction to a team port of the operation and maintenance personnel. In the process, the newly added prediction judgment can prevent the power grid information scheduling from being changed for many times, once the information updating speed is too high, the power grid can be uniformly scheduled after the information is changed for many times, and the system can automatically set a certain quantity value, for example, the information scheduling is uniformly realized after the information is newly added for 3-5 times.
A power grid information management system based on operation and distribution information fusion technology comprises: the system comprises an abnormal data acquisition module, a marketing and distribution fusion data processing module, a distribution comprehensive analysis module and an information scheduling module;
the abnormal data acquisition module is used for acquiring real-time newly added data of the marketing master station side; the marketing and distribution fusion data processing module is used for realizing the forwarding and transmission of real-time new data between the main station at the marketing side and the main station at the distribution side; the power distribution comprehensive analysis module is used for constructing a power distribution analysis model according to the real-time newly increased data and judging whether power grid information scheduling is needed or not; the information scheduling module is used for acquiring a power grid information scheduling instruction and outputting the power grid information scheduling instruction to a team port of an operation and maintenance worker;
the output end of the abnormal data acquisition module is connected with the input end of the marketing and distribution fusion data processing module; the output end of the marketing and distribution fusion data processing module is connected with the input end of the distribution comprehensive analysis module; and the output end of the power distribution comprehensive analysis module is connected with the input end of the information scheduling module.
According to the technical scheme, the abnormal data acquisition module comprises a marketing information acquisition unit and a newly-added data classification unit;
the marketing information acquisition unit is used for acquiring real-time newly added data fed back by a user, and the real-time newly added data comprises fault first-aid repair data and newly added distribution equipment data received by a marketing main station side; the newly-added data classification unit is used for classifying the real-time newly-added data; and the output end of the marketing information acquisition unit is connected with the input end of the newly added data classification unit.
According to the technical scheme, the marketing and distribution fusion data processing module comprises a model management unit and a memory management unit;
the model management unit comprises a parameter model, an equipment model, a data model and a mapping model; the memory management unit comprises a parameter area memory and a data area memory; the model files of the model management unit are in XML format, and the parameter model comprises an IEC104 parameter model on the distribution main station side and a DL698 parameter model on the marketing main station side; the equipment model comprises a fusion terminal access equipment model; the data model comprises a device data object model and a device data type model; the mapping model comprises a device data mapping model;
the power distribution main station side IEC104 parameter model is used for stipulating the content, format and parameter number of communication parameters and protocol parameters of IEC104 communication APP of the communication between the fusion terminal and the distribution main station; the marketing main station side DL698 parameter model is used for stipulating the content, format and parameter number of the communication parameters of the DL698 communication APP module for the communication between the fusion terminal and the marketing main station; the fusion terminal access equipment model is used for stipulating the parameter content, format and number of the equipment accessed by the fusion terminal; the equipment data object model is used for stipulating all data objects after equipment instantiation, and describing functions and related communication mapping of the equipment; the device data type model is used for defining definition data structures of all data types in the device data object model; the device data mapping model is used for specifying the mapping relation between the data identification and the data object and inquiring the offset of the data in the memory;
the memory management unit is used for completing the reading and writing functions of communication file parameters, data models and stored data in the operation process;
reading the parameter area memory from the configuration file and loading the parameter area memory into the memory; the data area memory is read from a data storage real-time library, the space of the data storage real-time library is a dynamically created and continuous memory, and after the data area memory is powered on, the space is calculated according to configuration and then the corresponding memory space is distributed;
the data in the data storage real-time library is stored according to the sequence of the device instances in the configuration, each instance comprises a plurality of data object instances, each data object comprises a plurality of data types, each data object type is a minimum storage unit, the offset of the object instance in the whole memory can be obtained according to the total length of the memory occupied by each instance object, and a specific data element in the data object instance is accessed according to the memory offset and the length of the data type in the data instance object, so that the data reading and writing of the memory in the data area are realized.
According to the technical scheme, the power distribution comprehensive analysis module comprises a power distribution network judgment unit and a prediction unit;
the power distribution network judging unit is used for acquiring a current real-time power distribution network provided by the power distribution master station side and analyzing whether the newly added power distribution equipment is located in the current real-time power distribution network; the prediction unit is used for constructing a prediction model of the newly-added power distribution equipment when the newly-added power distribution equipment is not located in the current real-time power distribution network, setting a newly-added time period threshold value, and scheduling the current power distribution network if the output prediction time period is higher than the newly-added time period threshold value.
According to the technical scheme, the information scheduling module comprises an instruction receiving unit and an information transmission unit;
the instruction receiving unit is used for acquiring a power grid information scheduling instruction; and the information transmission unit is used for outputting the power grid information scheduling instruction to a team port of the operation and maintenance personnel.
Compared with the prior art, the invention has the following beneficial effects:
the invention can combine the unified expression and information sharing of marketing, power distribution and other data, realize the tight longitudinal and transverse information integration among all application systems, provide a good communication platform among customer service personnel, emergency repair personnel and repair personnel, achieve the integration of urban distribution network production and emergency repair command, and improve the actual requirement of high power supply reliability.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic flow diagram of a power grid information management system and method based on an operation and distribution information fusion technology according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, in the first embodiment, newly-appeared distribution equipment data is set, and marketing data staff on the side of a marketing master station plan to build a new building in a certain area D and need to newly add a power consumption data network after receiving a new building feedback notification;
constructing a marketing and distribution fusion data processing module, wherein the marketing and distribution fusion data processing module comprises a model management unit and a memory management unit;
the model management unit comprises a parameter model, an equipment model, a data model and a mapping model; the memory management unit comprises a parameter area memory (discontinuous memory) and a data area memory (continuous memory);
the model files of the model management unit are in XML format, and the parameter model comprises an IEC104 parameter model on the distribution main station side and a DL698 parameter model on the marketing main station side; the equipment model comprises a fusion terminal access equipment model; the data model comprises a device data object model and a device data type model; the mapping model comprises a device data mapping model;
the power distribution main station side IEC104 parameter model is used for stipulating the content, format and parameter number of communication parameters and protocol parameters of IEC104 communication APP of the communication between the fusion terminal and the distribution main station; the marketing main station side DL698 parameter model is used for stipulating the content, format and parameter number of the communication parameters of the DL698 communication APP module for the communication between the fusion terminal and the marketing main station; the fusion terminal access equipment model is used for stipulating the parameter content, format and number of the equipment accessed by the fusion terminal; the equipment data object model is used for stipulating all data objects after equipment instantiation, and describing functions and related communication mapping of the equipment; the device data type model is used for defining definition data structures of all data types in the device data object model; the device data mapping model is used for specifying the mapping relation between the data identification and the data object and inquiring the offset of the data in the memory;
the memory management unit is used for completing the reading and writing functions of communication file parameters, data models and stored data in the operation process;
reading the parameter area memory from the configuration file and loading the parameter area memory into the memory; the data area memory is read from a data storage real-time library, the space of the data storage real-time library is a dynamically created and continuous memory, and after the data area memory is powered on, the space is calculated according to configuration and then the corresponding memory space is distributed;
the data in the data storage real-time library is stored according to the sequence of the device instances in the configuration, each instance comprises a plurality of data object instances, each data object comprises a plurality of data types, each data object type is a minimum storage unit, the offset of the object instance in the whole memory can be obtained according to the total length of the memory occupied by each instance object, and a specific data element in the data object instance is accessed according to the memory offset and the length of the data type in the data instance object, so that the data reading and writing of the memory in the data area are realized;
the allocating the corresponding memory space includes: calculating the memory occupied by each IED device instance; accumulating the memories occupied by all IED equipment instances, and calculating the total length of the memories to be distributed; and performing continuous memory allocation according to the total length of the memory.
S2-1, loading IEDs from the xml files, wherein the loaded quantity is consistent with the quantity configuration in the equipment data object model; after the terminal is powered on, reading a memory configuration xml parameter file, wherein the memory configuration xml parameter file comprises configuration equipment and data objects, and specifying the length of each data object instance, wherein the data distribution of a continuous memory is strictly according to the configuration sequence of the equipment in the xml file; analyzing the xml configuration file to obtain nodes of the equipment data object model, and knowing the number of configured ied equipment nodes according to the num attribute of the nodes;
s2-2, acquiring a corresponding data object type according to a data object configured in the IED;
s2-3, loading each data object according to the type of the data object, accumulating the occupied length of the continuous memory, and recording the length corresponding to each data object and the offset address;
s2-4, repeating S2-3 until all data object types configured by S2-2 are loaded, and completing memory length calculation of a single IED;
s2-5, sequentially accumulating according to the IEDs loaded in the S2-1 to obtain the total number of continuous memories occupied by data storage;
and S2-6, applying for the continuous memory from the system for distribution according to the accumulated length.
The real-time newly increased data of the marketing master station side are forwarded to the distribution master station side in real time, the distribution master station side provides a current real-time distribution network, the discovery area D is not located in the current real-time distribution network, and a newly increased distribution equipment prediction model is constructed:
system call interval of newly added distribution equipmentDuration, setting the total data quantity N called by the newly added power distribution equipment, and recording the interval duration of the newly added power distribution equipment as a set A = { x = according to the time sequence 1 、x 2 、…、x N-1 In which x 1 、x 2 、…、x N-1 Respectively representing the interval duration of newly added power distribution equipment under the total quantity of the called N groups of data; wherein x N-1 The interval duration between the current newly-added distribution equipment and the last newly-added distribution equipment is indicated; for example, when the current new addition is 10 months, 27 days and 15, and the last new addition is 10 months, 10 days and 15, x is N-1 408 hours;
accumulating and generating the set A, and recording the processed data as a new set A 1 ：
Wherein, y N-1 Represents a new set A 1 The group N-1 data of (1); i represents a serial number; x is a radical of a fluorine atom i Representing the ith data in the set A;
for new set A 1 Carrying out weighted neighbor value processing, and recording the processed data as a new set A 2 ：
z N-2 ＝cx N-2 +(1-c)x N-3
Wherein z is N-2 Represents a new set A 2 Group N-2 of (1); c represents a weighted distribution ratio;
using least squares method, from the set A, A 1 、A 2 And adopting a grey prediction model to generate a model output value:
T N ＝[x 1 -m]e -μ(N-1) +m
wherein, T N Representing the prediction interval duration of the next newly added power distribution equipment, wherein m represents a parameter vector to be estimated; μ represents the number of developing ashes;
wherein the calculation of the parameter vector to be estimated comprises the following steps:
constructing a New set A 1 Whitening differential equation of (1):
wherein μ is the number of developing ashes; omega is endogenous control ash number;
the parameter vector to be estimated is:
wherein m refers to the parameter vector to be estimated.
The system sets a newly increased time period threshold value if the output T is N If the time period is higher than the newly increased time period threshold value, scheduling the current power distribution network;
and the system acquires a power grid information scheduling instruction and outputs the power grid information scheduling instruction to a team port of the operation and maintenance personnel.
In the second embodiment, a power grid information management system based on operation and distribution information fusion technology is provided, and the system includes: the system comprises an abnormal data acquisition module, a marketing and distribution fusion data processing module, a distribution comprehensive analysis module and an information scheduling module;
the abnormal data acquisition module is used for acquiring real-time newly added data of the marketing master station side; the marketing and distribution fusion data processing module is used for realizing the forwarding and transmission of real-time new data between the main station at the marketing side and the main station at the distribution side; the power distribution comprehensive analysis module is used for constructing a power distribution analysis model according to the real-time newly increased data and judging whether power grid information scheduling is needed or not; the information scheduling module is used for acquiring a power grid information scheduling instruction and outputting the power grid information scheduling instruction to a team port of an operation and maintenance worker;
the output end of the abnormal data acquisition module is connected with the input end of the marketing and distribution fusion data processing module; the output end of the marketing and distribution fusion data processing module is connected with the input end of the distribution comprehensive analysis module; and the output end of the power distribution comprehensive analysis module is connected with the input end of the information scheduling module.
The abnormal data acquisition module comprises a marketing information acquisition unit and a newly-added data classification unit;
the marketing information acquisition unit is used for acquiring real-time newly added data fed back by a user, and the real-time newly added data comprises fault first-aid repair data and newly added distribution equipment data received by a marketing main station side; the newly-added data classification unit is used for classifying the real-time newly-added data; and the output end of the marketing information acquisition unit is connected with the input end of the newly added data classification unit.
The marketing and distribution fusion data processing module comprises a model management unit and a memory management unit;
the model management unit comprises a parameter model, an equipment model, a data model and a mapping model; the memory management unit comprises a parameter area memory and a data area memory; the model files of the model management unit are in XML format, and the parameter model comprises an IEC104 parameter model on the distribution main station side and a DL698 parameter model on the marketing main station side; the equipment model comprises a fusion terminal access equipment model; the data model comprises a device data object model and a device data type model; the mapping model comprises a device data mapping model;
the power distribution main station side IEC104 parameter model is used for stipulating the content, format and parameter number of communication parameters and protocol parameters of IEC104 communication APP of the communication between the fusion terminal and the distribution main station; the marketing main station side DL698 parameter model is used for stipulating the content, format and parameter number of the communication parameters of the DL698 communication APP module for the communication between the fusion terminal and the marketing main station; the fusion terminal access equipment model is used for stipulating the parameter content, format and number of the equipment accessed by the fusion terminal; the equipment data object model is used for stipulating all data objects after equipment instantiation, and describing functions and related communication mapping of the equipment; the device data type model is used for defining definition data structures of all data types in the device data object model; the device data mapping model is used for specifying the mapping relation between the data identification and the data object and inquiring the offset of the data in the memory;
the memory management unit is used for completing the reading and writing functions of communication file parameters, data models and stored data in the operation process;
reading the parameter area memory from the configuration file and loading the parameter area memory into the memory; the data area memory is read from a data storage real-time library, the space of the data storage real-time library is a dynamically created and continuous memory, and after the data area memory is powered on, the space is calculated according to configuration and then the corresponding memory space is distributed;
the data in the data storage real-time library is stored according to the sequence of the device instances in the configuration, each instance comprises a plurality of data object instances, each data object comprises a plurality of data types, each data object type is a minimum storage unit, the offset of the object instance in the whole memory can be obtained according to the total length of the memory occupied by each instance object, and a specific data element in the data object instance is accessed according to the memory offset and the length of the data type in the data instance object, so that the data reading and writing of the memory in the data area are realized.
The power distribution comprehensive analysis module comprises a power distribution network judgment unit and a prediction unit;
the power distribution network judging unit is used for acquiring a current real-time power distribution network provided by the power distribution master station side and analyzing whether the newly added power distribution equipment is located in the current real-time power distribution network; and the prediction unit is used for constructing a prediction model of the newly-added power distribution equipment when the newly-added power distribution equipment is not positioned in the current real-time power distribution network, setting a newly-added time period threshold value, and scheduling the current power distribution network if the output prediction time period is higher than the newly-added time period threshold value.
The information scheduling module comprises an instruction receiving unit and an information transmission unit;
the instruction receiving unit is used for acquiring a power grid information scheduling instruction; and the information transmission unit is used for outputting the power grid information scheduling instruction to a team port of the operation and maintenance personnel.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the 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 (9)
1. A power grid information management method based on an operation and distribution information fusion technology is characterized by comprising the following steps: the method comprises the following steps:
the method comprises the following steps of S1, acquiring real-time newly increased data of a marketing master station side, wherein the real-time newly increased data of the marketing master station side comprise fault first-aid repair data and distribution equipment newly increased data received by the marketing master station side;
s2, constructing a marketing and distribution fusion data processing module, and forwarding the real-time newly increased data of the marketing master station side to the distribution master station side in real time to construct communication transmission; if the data is fault first-aid repair data, a team of operation and maintenance personnel is called to transmit fault position information in real time, and if the data is newly added to the power distribution equipment, the step S3 is carried out;
s3, acquiring a current real-time power distribution network provided by a power distribution master station side, analyzing whether the newly-added power distribution equipment is located in the current real-time power distribution network, marking a position point of the newly-added power distribution equipment if the newly-added power distribution equipment is located in the current real-time power distribution network, and outputting the position point to a management port; if the current power distribution network is not located, constructing a newly-added power distribution equipment prediction model, setting a newly-added time period threshold, and scheduling the current power distribution network if the output prediction time period is higher than the newly-added time period threshold;
and S4, acquiring a power grid information scheduling instruction and outputting the power grid information scheduling instruction to a team port of the operation and maintenance personnel.
2. The power grid information management method based on operation and distribution information fusion technology according to claim 1, characterized in that: in step S2, the marketing and distribution fusion data processing module includes a model management unit and a memory management unit;
the model management unit comprises a parameter model, an equipment model, a data model and a mapping model; the memory management unit comprises a parameter area memory and a data area;
the model files of the model management unit are in XML format, and the parameter model comprises an IEC104 parameter model on the distribution main station side and a DL698 parameter model on the marketing main station side; the device model comprises a fusion terminal access device model; the data model comprises a device data object model and a device data type model; the mapping model comprises a device data mapping model;
the power distribution main station side IEC104 parameter model is used for stipulating the content, format and parameter number of communication parameters and protocol parameters of IEC104 communication APP of the communication between the fusion terminal and the distribution main station; the marketing main station side DL698 parameter model is used for stipulating the content, format and parameter number of the communication parameters of the DL698 communication APP module for the communication between the fusion terminal and the marketing main station; the fusion terminal access equipment model is used for stipulating the parameter content, format and number of the equipment accessed by the fusion terminal; the equipment data object model is used for stipulating all data objects after equipment instantiation, and describing functions and related communication mapping of the equipment; the device data type model is used for defining definition data structures of all data types in the device data object model; the device data mapping model is used for specifying the mapping relation between the data identification and the data object and inquiring the offset of the data in the memory;
the memory management unit is used for completing the reading and writing functions of communication file parameters, data models and stored data in the operation process;
reading the parameter area memory from the configuration file and loading the parameter area memory into the memory; the data area memory is read from a data storage real-time library, the space of the data storage real-time library is a dynamically created and continuous memory, and after the data area memory is powered on, the space is calculated according to configuration and then the corresponding memory space is distributed;
the data in the data storage real-time library is stored according to the sequence of the device instances in the configuration, each instance comprises a plurality of data object instances, each data object comprises a plurality of data types, each data object type is a minimum storage unit, the offset of the object instance in the whole memory can be obtained according to the total length of the memory occupied by each instance object, and a specific data element in the data object instance is accessed according to the memory offset and the length of the data type in the data instance object, so that the data reading and writing of the memory in the data area are realized;
the allocating the corresponding memory space comprises:
s2-1, loading IEDs from the xml files, wherein the loaded quantity is consistent with the quantity configuration in the equipment data object model;
s2-2, acquiring a corresponding data object type according to a data object configured in the IED;
s2-3, loading each data object according to the type of the data object, accumulating the occupied length of the continuous memory, and recording the length corresponding to each data object and the offset address;
s2-4, repeating S2-3 until all data object types configured by S2-2 are loaded, and completing memory length calculation of a single IED;
s2-5, sequentially accumulating according to the IEDs loaded in the S2-1 to obtain the total number of continuous memories occupied by data storage;
and S2-6, applying for the continuous memory from the system for distribution according to the accumulated length.
3. The power grid information management method based on the operation and distribution information fusion technology according to claim 2, characterized in that: the newly-added power distribution equipment prediction model comprises the following steps:
the interval duration of the newly added power distribution equipment is called by the system, the total data quantity N called by the newly added power distribution equipment is set, and the newly added power distribution equipment is set according to the time sequenceThe time length of the spare interval is marked as a set A = { x = 1 、x 2 、…、x N-1 In which x 1 、x 2 、…、x N-1 Respectively representing the interval duration of newly added distribution equipment under the total quantity of the called N groups of data; wherein x N-1 The interval duration between the current newly-added distribution equipment and the last newly-added distribution equipment is indicated;
accumulating and generating the set A, and recording the processed data as a new set A 1 ：
Wherein, y N-1 Represents a new set A 1 The group N-1 data of (1); i represents a serial number; x is the number of i Representing the ith data in the set A;
for new set A 1 Carrying out weighted neighbor value processing, and recording the processed data as a new set A 2 ：
z N-2 ＝cx N-2 +(1-c)x N-3
Wherein z is N-2 Represents a new set A 2 Group N-2 data of (1); c represents a weighted distribution ratio;
using least squares method, from set A, A 1 、A 2 And adopting a grey prediction model to generate a model output value:
T N ＝[x 1 -m]e -μ(N-1) +m
wherein, T N Representing the prediction interval duration of the next newly added power distribution equipment, wherein m represents a parameter vector to be estimated; μ represents the number of developing ashes;
wherein the calculation of the parameter vector to be estimated comprises the following steps:
construction of a New set A 1 Whitening differential equation of (c):
wherein μ is the number of developing ashes; omega is endogenous control ash number;
the parameter vector to be estimated is:
wherein m refers to the parameter vector to be estimated.
4. The power grid information management method based on the operation and distribution information fusion technology according to claim 3, characterized in that:
the system sets a newly added time period threshold value if T is output N If the time period is higher than the newly increased time period threshold value, scheduling the current power distribution network;
and the system acquires a power grid information scheduling instruction and outputs the power grid information scheduling instruction to a team port of the operation and maintenance personnel.
5. The utility model provides a power grid information management system based on operation and distribution information fuses technique which characterized in that: the system comprises: the system comprises an abnormal data acquisition module, a marketing and distribution fusion data processing module, a distribution comprehensive analysis module and an information scheduling module;
the abnormal data acquisition module is used for acquiring real-time newly added data of the marketing master station side; the marketing and distribution fusion data processing module is used for realizing the forwarding and transmission of real-time new data between the main station at the marketing side and the main station at the distribution side; the power distribution comprehensive analysis module is used for constructing a power distribution analysis model according to the real-time newly added data and judging whether power grid information scheduling is needed or not; the information scheduling module is used for acquiring a power grid information scheduling instruction and outputting the power grid information scheduling instruction to a team port of an operation and maintenance worker;
the output end of the abnormal data acquisition module is connected with the input end of the marketing and distribution fusion data processing module; the output end of the marketing and distribution fusion data processing module is connected with the input end of the distribution comprehensive analysis module; and the output end of the power distribution comprehensive analysis module is connected with the input end of the information scheduling module.
6. The power grid information management system based on operation and distribution information fusion technology according to claim 5, characterized in that: the abnormal data acquisition module comprises a marketing information acquisition unit and a newly-added data classification unit;
the marketing information acquisition unit is used for acquiring real-time newly added data fed back by a user, and the real-time newly added data comprises fault first-aid repair data and newly added distribution equipment data received by a marketing main station side; the newly-added data classification unit is used for classifying the real-time newly-added data; and the output end of the marketing information acquisition unit is connected with the input end of the newly added data classification unit.
7. The power grid information management system based on operation and distribution information fusion technology according to claim 5, characterized in that: the marketing and distribution fusion data processing module comprises a model management unit and a memory management unit;
the model management unit comprises a parameter model, an equipment model, a data model and a mapping model; the memory management unit comprises a parameter area memory and a data area memory; the model files of the model management unit are in XML format, and the parameter model comprises an IEC104 parameter model on the distribution main station side and a DL698 parameter model on the marketing main station side; the equipment model comprises a fusion terminal access equipment model; the data model comprises a device data object model and a device data type model; the mapping model comprises a device data mapping model;
the power distribution main station side IEC104 parameter model is used for stipulating the content, format and parameter number of communication parameters and protocol parameters of IEC104 communication APP communicated by the fusion terminal and the distribution main station; the marketing main station side DL698 parameter model is used for stipulating the content, format and parameter number of the communication parameters of the DL698 communication APP module for the communication between the fusion terminal and the marketing main station; the fusion terminal access equipment model is used for stipulating the parameter content, format and number of the equipment accessed by the fusion terminal; the equipment data object model is used for stipulating all data objects after equipment instantiation, and describing functions and related communication mapping of the equipment; the device data type model is used for defining definition data structures of all data types in the device data object model; the device data mapping model is used for specifying the mapping relation between the data identification and the data object and inquiring the offset of the data in the memory;
the memory management unit is used for completing the reading and writing functions of communication file parameters, data models and stored data in the operation process;
reading the parameter area memory from the configuration file and loading the parameter area memory into the memory; the data area memory is read from a data storage real-time library, the space of the data storage real-time library is a dynamically created and continuous memory, and after the data area memory is powered on, the space is calculated according to configuration and then the corresponding memory space is distributed;
the data in the data storage real-time library is stored according to the sequence of the device instances in the configuration, each instance comprises a plurality of data object instances, each data object comprises a plurality of data types, each data object type is a minimum storage unit, the offset of the object instance in the whole memory can be obtained according to the total length of the memory occupied by each instance object, and a specific data element in the data object instance is accessed according to the memory offset and the length of the data type in the data instance object, so that the data reading and writing of the memory in the data area are realized.
8. The power grid information management system based on operation and distribution information fusion technology according to claim 5, characterized in that: the power distribution comprehensive analysis module comprises a power distribution network judgment unit and a prediction unit;
the power distribution network judging unit is used for acquiring a current real-time power distribution network provided by the power distribution master station side and analyzing whether the newly added power distribution equipment is located in the current real-time power distribution network; and the prediction unit is used for constructing a prediction model of the newly-added power distribution equipment when the newly-added power distribution equipment is not positioned in the current real-time power distribution network, setting a newly-added time period threshold value, and scheduling the current power distribution network if the output prediction time period is higher than the newly-added time period threshold value.
9. The power grid information management system based on operation and distribution information fusion technology according to claim 5, characterized in that: the information scheduling module comprises an instruction receiving unit and an information transmission unit;
the instruction receiving unit is used for acquiring a power grid information scheduling instruction; and the information transmission unit is used for outputting the power grid information scheduling instruction to a team port of the operation and maintenance personnel.
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