CN112884602A - Power data accuracy analysis method, electronic device, and medium - Google Patents
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Abstract
The embodiment of the invention discloses a method, electronic equipment and a medium for analyzing the accuracy of electric power data. The electric power data accuracy analysis method comprises the following steps: acquiring state information of a switch and acquiring telemetering data; acquiring identification information of a switch with state information being a quantile, and if the identification information and the telemetering data have a corresponding relation, determining that the switch is a telemetering switch; and analyzing the accuracy of the power data with the remote measuring switch according to an electric index threshold value judgment rule. According to the embodiment of the invention, the data quality analysis capability of the power distribution network master station is improved, and the power distribution network master station can effectively judge the accuracy of the power data.
Description
Technical Field
The invention relates to the field of power data processing, in particular to a power data accuracy analysis method, electronic equipment and a medium.
Background
Because the problems of low online rate and inaccurate collected data of the power distribution terminal exist in the power distribution automation system, the problems of low accuracy and poor data quality of electric data such as remote signaling data, remote measuring data and terminal data acquired by a power distribution network master station system generally exist, and the power distribution network master station system cannot better guide a power distribution operation and maintenance team to maintain and eliminate the power distribution terminal with remote measuring and remote signaling faults.
At present, an electric power data accuracy analysis method suitable for a power distribution automation system is urgently needed, the data quality analysis capability of a power distribution network master station is improved, and the power distribution network master station can effectively judge the accuracy of electric power data.
Disclosure of Invention
The invention provides a power data accuracy analysis method, electronic equipment and a medium, and aims to achieve the purpose that a power distribution network master station can effectively judge the accuracy of power data.
In a first aspect, the present invention provides a method for analyzing accuracy of power data, including:
acquiring state information of a switch and acquiring telemetering data;
acquiring identification information of a switch with state information being a quantile, and if the identification information and the telemetering data have a corresponding relation, determining that the switch is a telemetering switch;
and analyzing the accuracy of the power data with the remote measuring switch according to an electric index threshold value judgment rule.
In a second aspect, the present invention further provides an apparatus for analyzing accuracy of power data, including:
the data acquisition module is used for acquiring the state information of the switch and acquiring telemetering data;
the switch with the remote measuring function determining module is used for acquiring identification information of a switch with the state information of a quantile, and if the identification information and the remote measuring data have a corresponding relation, the switch is determined to be the switch with the remote measuring function; and the electric power data accuracy analysis module is used for analyzing the electric power data accuracy with the remote measuring switch according to the electric index threshold judgment rule.
In a third aspect, the present invention further provides an electronic device, including:
one or more processors;
a memory for storing one or more programs,
when executed by the one or more processors, cause the one or more processors to implement a power data accuracy analysis method according to any embodiment of the invention.
In a fourth aspect, the present invention also provides a non-transitory computer-readable storage medium storing computer instructions for causing a computer to perform a power data accuracy analysis method according to any one of the embodiments.
According to the technical scheme provided by the invention, the state information of the switch is obtained, and the telemetering data is obtained; acquiring identification information of a switch with state information being a quantile, and if the identification information and the telemetering data have a corresponding relation, determining that the switch is a telemetering switch; and analyzing the accuracy of the power data with the remote measuring switch according to an electric index threshold value judgment rule. According to the technical scheme provided by the invention, the accuracy of the power data with the remote measurement switch can be analyzed according to the electrical index threshold, so that the data quality analysis capability of the power distribution network master station is improved, the accuracy of the power data by the power distribution network master station is effectively judged, and the power distribution network master station can better guide the power distribution operation and maintenance team to maintain and eliminate the power distribution terminal with remote measurement and remote signaling faults.
Drawings
FIG. 1 is a flow chart of a method for analyzing accuracy of power data according to a first embodiment of the present invention;
FIG. 2 is a flow chart of a method for analyzing accuracy of power data according to a second embodiment of the present invention;
FIG. 3 is a flow chart of a method for analyzing accuracy of power data according to a third embodiment of the present invention;
FIG. 4 is a flowchart of a method for analyzing accuracy of power data according to a fourth embodiment of the present invention;
fig. 5 is a schematic structural diagram of an electric power data accuracy analysis apparatus according to a fifth embodiment of the present invention;
fig. 6 is a schematic structural diagram of an electronic device to which the power data accuracy analysis method in the embodiment of the invention is applied.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
Example one
Fig. 1 is a flowchart of an electric power data accuracy analysis method in a first embodiment of the present invention, which is applicable to a situation where a distribution network master station analyzes accuracy of electric power data. The method can be executed by a power data accuracy analysis device, which can be implemented in software and/or hardware and can be configured in an electronic device, such as a server or other electronic devices with communication and computing capabilities. As shown in fig. 1, the method specifically includes:
and S110, acquiring the state information of the switch and acquiring telemetry data.
The state information of the switch refers to the state of the current switch, and optionally, the switch is a distribution automation switch. The state information includes: a closed state and an open state. The switch state is related to the remote signaling data acquired by the power distribution master station, and optionally, the power distribution master station changes the switch state in the power distribution system according to the remote signaling data acquired from the power distribution terminal. The remote signaling data refers to a remote state signal, and can be a measured position signal of a switch, a transformer internal fault comprehensive signal, an action signal of a protection device, a communication equipment operation condition signal or a tap position signal of a voltage regulating transformer, and the remote signaling data is generally represented by 1 or 2 binary bits. In the practice of the invention, the remote signaling data represents the position signal of the switch, i.e., the state data of the switch.
And acquiring identification information of the switch in the current state of the position division, and acquiring telemetering data. The telemetering data refers to real-time data obtained by measuring a telemetering object through a sensor, and the telemetering data is analog quantity and is a specific numerical value. The telemetry data can reflect the digital characteristics or state of the telemetry object, and the telemetry data measurement can be used as a data basis for scientific research and decision analysis. Illustratively, telemetry refers to current through the switch, voltage across the switch, or power of the switch, etc. at the present time. The telemetering data and the switch identification information can be acquired by the power distribution main station from the power distribution terminal, or acquired by the power distribution terminal equipment and transmitted to the power distribution main station and received by the power distribution main station.
S120, obtaining identification information of a switch with the state information being a sub-position, and if the identification information and the telemetering data have a corresponding relation, determining that the switch is a telemetering switch.
The identification information refers to the uniqueness information of the identification switch and is used for distinguishing each switch in the power distribution main station. The telemetry data also includes identification information of the telemetry object. When the telemetering object is a switch, if the identification information of the telemetering object in the telemetering data is consistent with the identification information of the switch with the state of the quantile, the switch identified by the identification information can be determined to be a telemetering switch. The switch with remote measurement is a switch which displays that the state information is divided into bits in the power distribution main station, but the corresponding remote measurement data is not 0. The strip telemetry switch is a fault switch, and illustratively, a switch 1 is present in a power distribution main station, and the switch 1 is in a split state, but when the current passing through the switch 1 is not zero.
And S130, analyzing the accuracy of the power data with the telemetering switch according to an electric index threshold judgment rule.
Wherein, the electric power data refers to the data that the distribution main website produced in work in the power distribution system, includes: telemetry and telemetry data and a list of telemetry points. The electrical index threshold value judgment rule is a rule for analyzing the accuracy of the power data with the remote measurement switch based on the difference between the electrical index of the switch and the set threshold value. Optionally, the electrical indicators include current flowing through the switch, voltage across the switch, and power of the switch. The specific analysis of the accuracy of the power data is to judge whether the power data with the remote measuring switch is correct or not according to an electric index threshold judgment rule.
In an alternative embodiment, prior to obtaining the status information of the switch and obtaining the telemetry data, the method further comprises: acquiring a preset corresponding relation table of the switch identification and the remote signaling data, and acquiring switch state data; and if the switch state obtained by the preset corresponding relation table is inconsistent with the switch state data, determining that the analysis result is a preset corresponding relation table error.
The preset corresponding relation table of the switch identification and the remote signaling data is the basis for setting the switch by the power distribution master station according to the remote signaling data. The remote signaling data received by the power distribution master station is a string of binary data, and after the power distribution master station receives the remote signaling data, the corresponding switch needs to be set according to a preset corresponding relation table of the switch identification and the remote signaling data. Illustratively, the preset corresponding relation table of the switch identification and the remote signaling data is a remote signaling point table.
The switch state data refers to state data of a switch in a separated position or a closed position acquired by a power distribution master station at the current moment, and the switch state data can be acquired by a power distribution terminal and recorded and sent to the power distribution master station end by relevant personnel on a switch state data acquisition site. Wherein the switch state data includes switch identification information.
And if the on-off state set according to the preset corresponding relation table is inconsistent with the on-off state data, determining that the analysis result is that the preset corresponding relation table is wrong. Before analyzing the accuracy of other electric power data such as remote signaling data and telemetering data, firstly, the correctness of a preset corresponding relation table of a switch identifier and the remote signaling data is determined, and on the premise that the preset corresponding relation table of the switch identifier and the remote signaling data is correct, the accuracy of the electric power data such as the telemetering data and the remote signaling data is analyzed, so that misjudgment of remote signaling data caused by manual work or power distribution master station missetting is eliminated, the complexity of an analysis process is reduced, and the accuracy of an analysis result is improved.
Since the obtained telemetry data generally includes a plurality of electrical index items such as a voltage index item, a phase current index item and a power index item, when the accuracy of the telemetry data is judged, the accuracy of the telemetry data needs to be analyzed specifically to the accuracy of the electrical index item, and the accuracy of some electrical index items in the telemetry data needs to be analyzed. The electrical index items such as line voltage and phase current have important significance for guiding the power distribution operation and maintenance class group to maintain the power distribution terminal. For the correctness of each electrical index item in the telemetering data, such as a voltage index item, a phase current index item or a power index item, at present, the formula is mainly used
And analyzing to obtain the product. Specifically, electricity will be collectedSubstituting the values of the gas index items I, P, Q and U into the formula
And (6) performing calculation. Wherein I represents current, P represents active power, Q represents reactive power, and U represents voltage. And judging whether the numerical values at the two ends of the equal sign of the formula are equal or not, and if the two ends of the equal sign are not equal, judging that an error electrical index item exists. The method can only judge that errors exist in the current I, the active power P, the reactive power Q or the voltage U of the electrical index item, but cannot finish the accurate positioning of the electrical index item with errors. In order to accurately judge the correctness of each parameter in the telemetry data, in an optional embodiment, if a voltage index item in the telemetry data exceeds a set voltage threshold, determining that an analysis result is that the voltage index item is wrong; and if the difference between the current index items of each phase in the telemetering data exceeds a set current threshold, determining that the analysis result is that the current index item is wrong.
The set voltage threshold is an empirical value determined by a person skilled in the art according to an actual situation, and the voltage threshold may be determined according to a power transmission line loss or a related voltage standard of a power distribution enterprise, and is not limited herein, and is specifically determined according to the actual situation. And if the voltage index item in the telemetering data exceeds a set voltage threshold value, determining that the analysis result is that the voltage index item is wrong. Illustratively, for a voltage index item U, the standard value of the phase voltage of the power distribution network is 10kV, if a voltage threshold value is set to be a, the acquired value of the voltage index item U should be in the range of [10-a,10+ a ], and a specific value of the voltage threshold value a is set to be an empirical value and is set by an operator according to actual conditions. And if the value of the acquired voltage index item U is not in the range of [10-a,10+ a ], determining that the analysis result is that the voltage index item is wrong.
And if the difference value exceeds a set current threshold value, judging and determining that the analysis result is a current index item error. The set current threshold is an empirical value determined by a person skilled in the art according to actual conditions, and is not limited herein, and is determined according to actual conditions. Optionally, the following manner may be adopted when determining the correctness of the current index item I: 1. the current index item I is judged to be correct according to whether the sum of the currents of the downstream equipment of the switch to which the telemetering data belongs is the same as the current value passing through the switch or not. 2. According to whether the sum of the current value of the switch to which the telemetering data belongs and the current value of other switches parallel to the switch is equal to the current index item of the switch upstream switch current value, if so, the current index item I is judged to be correct.
Optionally, after the voltage indicator item U and the phase current indicator item voltage I are both determined to be correct, the correctness of the power indicator items P and Q is determined through a formula P ═ I × U sin Φ and a formula Q ═ I × U cos Φ.
According to the technical scheme provided by the embodiment of the invention, the state information of the switch is obtained, and the telemetering data is obtained; and acquiring identification information of a switch with the state information being in a position, and if the identification information and the telemetering data have a corresponding relation, determining that the switch is a telemetering switch and analyzing the accuracy of the electric power data with the telemetering switch according to an electric index threshold judgment rule. According to the technical scheme provided by the embodiment of the invention, the accuracy of the power data with the remote measurement switch can be analyzed according to the electrical index threshold, so that the data quality analysis capability of the power distribution network master station is improved, the accuracy of the power data by the power distribution network master station is effectively judged, and the power distribution network master station can better guide the power distribution operation and maintenance team to maintain and eliminate the power distribution terminal with remote measurement and remote communication faults.
Example two
Fig. 2 is a flowchart of an electric power data accuracy analysis method in the second embodiment of the present invention, and the present embodiment further optimizes, specifically optimizes, on the basis of the foregoing embodiment: and if the electrical index item in the telemetering data with the telemetering switch is lower than the set threshold value of the electrical index, determining that the telemetering data is generated by null shift.
As shown in fig. 2, the method includes:
and S210, acquiring the state information of the switch and acquiring telemetry data.
S220, obtaining identification information of a switch with state information of a sub-position, and if the identification information and the telemetering data have a corresponding relation, determining that the switch is a telemetering switch.
And S230, if the electrical index item in the telemetering data with the telemetering switch is lower than the set threshold value of the electrical index, determining that the telemetering data is generated by null shift.
The electrical index setting threshold is an empirical value determined by a person skilled in the art according to an actual situation, and is not limited herein, and is specifically determined according to the actual situation. The electrical index setting threshold is smaller than the electrical index value when the equipment connected with the switch normally works when the switch is in the closed position. Optionally, the electrical index item includes a current index item and a voltage index item. And judging whether the electrical index item in the telemetering data with the telemetering switch is lower than a set threshold value of the electrical index, and if the electrical index item in the telemetering data with the telemetering switch is lower than the set threshold value of the electrical index, determining that the telemetering data is generated by null shift. The telemetering data is actually the tiny electrical index change generated when the telemetering data acquisition equipment generates null shift and is not the actual telemetering data of the telemetering object. The null shift is a short term for null shift, and refers to a phenomenon that an output end deviates from an initial value and drifts up and down when an input end has no signal in a direct coupling amplifying circuit. The null shift is caused by temperature variation, instability of power supply voltage and the like. If the measured data is generated by null shift, operation and maintenance personnel are not needed to carry out field processing. Optionally, after determining that the telemetry data with the telemetry switch is generated by null shift, the power distribution master station generates a prompt message to prompt the operation and maintenance personnel that the telemetry data abnormality is caused by null shift, and does not need to go to field for processing.
In an optional embodiment, if the electrical index item in the telemetric data with a telemetric switch is higher than a set threshold value of the electrical index, putting the telemetric data of the switch into a monitoring queue, and monitoring whether the telemetric data changes within a set time length; if not, determining that the analysis result is telemetry data error.
If the electrical index item in the telemetering data with the telemetering switch is higher than the electrical index set threshold value, the telemetering data can be excluded from being the electrical index change generated when the telemetering data acquisition equipment is subjected to null shift, in this case, the telemetering data of the switch is placed into a monitoring queue to monitor the telemetering data, and whether the telemetering data changes within the set time length is monitored to judge whether the telemetering data is the switch telemetering data acquired by the power distribution terminal equipment at the current moment. The method mainly comprises the step of monitoring the telemetering data, wherein the step of monitoring the telemetering data is mainly to monitor the numerical values of all electrical index items in the telemetering data. The set time length is an empirical value determined by a person skilled in the art according to an actual situation, and is not limited herein, and is determined according to the actual situation.
If the telemetering data is not changed within the set time length, the telemetering data is not the switch telemetering data collected by the power distribution terminal equipment at the current moment. The telemetry data is still the telemetry data collected last time before the power distribution terminal equipment is shut down. At this time, the analysis result may be determined to be a telemetry data error.
According to the embodiment of the invention, under the condition that the electrical index item in the telemetering data with the telemetering switch is higher than the set threshold value of the electrical index, the telemetering data of the switch is placed into the monitoring queue, and whether the telemetering data changes within the set time length is monitored, so that the accuracy of the telemetering data is analyzed, and misjudgment of telemetering data errors caused by the fact that the telemetering data cannot be updated timely due to the fact that the distribution terminal equipment is off-line is avoided.
According to the technical scheme provided by the embodiment of the invention, switch identification information in a position division state is obtained, and telemetering data is obtained; if the switch identification information and the telemetering data have a corresponding relation, determining that the switch is a telemetering switch; and if the electrical index item in the telemetering data with the telemetering switch is lower than the set threshold value of the electrical index, determining that the analysis result is telemetering data error. According to the technical scheme provided by the embodiment of the invention, the accuracy of the telemetering data can be analyzed by comparing the electric index item in the telemetering data with the electric index set threshold, the phenomenon of zero drift of telemetering data acquisition equipment is considered, the accuracy analysis capability of the distribution network master station on the telemetering data is improved, and the distribution network master station can better guide the distribution operation and maintenance team to maintain and eliminate the distribution terminal with telemetering and telesignaling faults.
EXAMPLE III
Fig. 3 is a flowchart of an electric power data accuracy analysis method in a third embodiment of the present invention, and the third embodiment is further optimized on the basis of the above embodiments, specifically optimized as follows: after determining that the switch is a band telemetry switch, further comprising: acquiring working data of a distribution transformer connected with the remote measurement switch; judging whether the distribution transformer of the distribution transformer is loaded or not according to the working data; and if so, determining that the analysis result is a remote signaling data error.
As shown in fig. 3, the method includes:
and S310, acquiring the state information of the switch and acquiring telemetry data.
S320, obtaining the identification information of the switch with the state information of the position, and if the identification information and the telemetering data have a corresponding relation, determining that the switch is a telemetering switch.
And S330, acquiring the working data of the distribution transformer connected with the telemetering switch.
The distribution transformer is a static electrical appliance which is used for transmitting alternating current energy by numbering alternating current voltage and current according to an electromagnetic induction law in a distribution system. The distribution transformer is connected with the remote measurement switch, and the state of the remote measurement switch determines whether the distribution transformer can obtain electric energy. The working data refers to electrical index data such as power, voltage or current of the distribution transformer. The operational data may be collected by the power distribution terminal and transmitted to the power distribution master station. The working data of the distribution transformer connected with the remote measurement switch can be acquired by the distribution main station from the remote measurement data acquisition terminal, or acquired by the remote measurement data acquisition terminal and transmitted to the distribution main station and received by the distribution main station.
And S340, judging whether the distribution transformer is loaded or not according to the working data.
And judging whether the distribution transformer is loaded according to the working data, wherein the judgment of whether the distribution transformer is loaded is mainly carried out according to numerical values of various electrical indexes in the working data.
The remote measuring switch is a switch in a position division state, the distribution transformer connected with the switch in the position division state is an uncharged distribution transformer, and the uncharged distribution transformer is a distribution transformer in a non-operation state. The operating data of the neutral distribution transformer should be 0. Therefore, if the value of each electrical index in the operation data is 0, it indicates that the distribution transformer is not loaded. On the other hand, if the value of each electrical index in the operation data is not 0, it indicates that the distribution transformer is loaded.
And S350, if so, determining that the analysis result is a remote signaling data error.
If yes, the current distribution transformer is in the running state, and the switching state is actually in the closed position at the moment. At this time, it may be determined that the analysis result is a remote signaling data error. And if not, indicating that the current distribution transformer is in a non-operation state, and at the moment, the telemetering data is wrong.
In an optional embodiment, when it is determined that the telemetry data with the telemetry switch in the monitoring queue changes within a set time period, further acquiring working data of a distribution transformer connected with the telemetry switch, judging whether the distribution transformer is loaded or not according to the working data, if the distribution transformer is loaded, indicating that the distribution transformer is in an operating state, the distribution transformer can acquire electric energy, and the actual state information of the telemetry switch is in a closed position. At this time, the analysis result can be determined as a remote signaling data error; on the contrary, if the distribution transformer is not loaded, the distribution transformer is in a non-operation state, the actual state information with the telemetering switch is in a quantile, and the telemetering data should be 0. At this time, the analysis result may be determined to be a telemetry data error.
According to the technical scheme provided by the embodiment of the invention, switch identification information in a position division state is obtained, and telemetering data is obtained; if the switch identification information and the telemetering data have a corresponding relation, determining that the switch is a telemetering switch; and acquiring working data of a distribution transformer connected with the remote measurement switch, judging whether the distribution transformer of the distribution transformer is loaded or not according to the working data, and if so, determining that the analysis result is a remote signaling data error. According to the technical scheme provided by the embodiment of the invention, whether the distribution transformer of the distribution transformer is loaded or not can be judged according to the working data by acquiring the working data of the distribution transformer connected with the telemetering switch, so that the accuracy of the telemetering data and the telemetering data is analyzed. The method for effectively analyzing the accuracy of the remote signaling and remote signaling data is provided, and the accuracy analysis capability of the distribution network master station on the remote signaling data is improved, so that the distribution network master station can better guide the distribution operation and maintenance team to maintain and eliminate the distribution terminal with remote signaling and remote signaling faults.
Example four
Fig. 4 is a flowchart of an electric power data accuracy analysis method in a fourth embodiment of the present invention, and the fourth embodiment is further optimized on the basis of the foregoing embodiment, specifically optimized as follows: after acquiring the state information of the switch and acquiring the telemetering data, the method further comprises the following steps: acquiring identification information of a switch with the state information of a closed position, and if the identification information does not have a corresponding relation with the telemetering data, determining that the switch is not provided with the telemetering switch; acquiring working data of a distribution transformer connected with the non-telemetric switch; and if the electrical index item in the working data is lower than the set threshold value of the distribution transformer electrical index, determining that the analysis result is that the remote signaling data is correct.
As shown in fig. 4, the method includes:
and S410, acquiring the state information of the switch and acquiring telemetry data.
S420, obtaining identification information of the switch with the state information of the on position, and if the identification information does not have a corresponding relation with the telemetering data, determining that the switch is not provided with the telemetering switch.
The telemetry data also includes identification information of the telemetry object. When the telemetering object is a switch, and the switch is in an on position, if the identification information of all the telemetering objects in the telemetering data does not include the identification information of the switch, the switch identified by the identification information can be determined to be without the telemetering switch. The fact that the telemetering switch is not arranged means that the state information displayed in the power distribution main station is in a closed position, but a switch corresponding to telemetering data of 0 exists, and the switch without the telemetering switch is not necessarily an error switch, because the switch is in the closed position but downstream equipment of the switch does not use power, the telemetering data of 0 exists.
And S430, acquiring the working data of the distribution transformer connected with the distribution transformer without the telemetering switch.
The distribution transformer is a static electrical appliance which is used for transmitting alternating current energy by numbering alternating current voltage and current according to an electromagnetic induction law in a distribution system. The distribution transformer is connected without a remote switch, and the state of the remote switch is determined whether the distribution transformer can obtain electric energy. The working data refers to electrical index data such as power, voltage or current of the distribution transformer. The working data can be collected by the power distribution terminal and sent to the power distribution main station, or can be actively acquired by the power distribution main station from the power distribution equipment terminal.
And S440, if the electrical index item in the working data is lower than the set threshold value of the distribution transformer electrical index, determining that the analysis result is that the telemetering data is correct.
The set threshold value of the distribution and transformation electrical index is an empirical value determined by a person skilled in the art according to actual conditions, and is not limited herein, and is specifically determined according to actual conditions. The set threshold value of the distribution transformer electric index is smaller than the electric index value in the working data when the equipment connected with the switch normally works when the switch is in the closed position. Optionally, the electrical index item includes electrical index data such as power, voltage, or current.
And judging whether the electrical index item in the working data of the distribution transformer is lower than a set threshold value of the distribution electrical index, and if the electrical index item in the working data of the distribution transformer is lower than the set threshold value of the distribution electrical index, determining that the analysis result is that the telemetering data is correct. At this time, it can be concluded that the distribution transformer generates a small electrical index change when it is subjected to null shift, the downstream equipment with the telemetering switch is not powered, and the telemetering data is 0, which is correct.
In an optional embodiment, if the electrical index item in the working data is higher than a set threshold of a distribution electrical index, putting the working data into a monitoring queue, and monitoring whether the working data changes within a set time length; and if so, determining that the analysis result is telemetry data error.
If the electrical index item in the working data of the distribution transformer is higher than the set threshold value of the distribution transformer electrical index, the change of the electrical index generated when the distribution transformer is subjected to null shift by the telemetering data can be eliminated, under the condition, the working data of the distribution transformer is put into a monitoring queue, the working data is monitored, whether the working data changes within the set time is monitored, and whether the working data is the working data of the equipment collected by the distribution terminal equipment at the current moment is judged. The monitoring of the working data is mainly to monitor the numerical values of all the electrical index items in the working data. The set time length is an empirical value determined by a person skilled in the art according to an actual situation, and is not limited herein, and is determined according to the actual situation.
And if the working data are changed within the set time length, the working data are the working data of the equipment collected by the power distribution terminal equipment at the current moment. It can be determined that the analysis results in telemetry data errors and that telemetry data without a telemetry switch should not be 0. In contrast, if the working data is not changed within the set time period, it is indicated that the working data is not the working data of the equipment collected by the power distribution terminal equipment at the current moment. The working data is still the last collected working data of the power distribution terminal equipment before the equipment is stopped. At this point, the analysis result may be determined to be that the telemetry data is correct.
According to the technical scheme provided by the embodiment of the invention, the state information of the switch is obtained, and the telemetering data is obtained; acquiring identification information of a switch with the state information of a closed position, and if the identification information does not have a corresponding relation with the telemetering data, determining that the switch is not provided with the telemetering switch; and acquiring working data of the distribution transformer connected with the distribution transformer without the telemetering switch, and if the electrical index item in the working data is lower than a set threshold value of the distribution transformer electrical index, determining that the analysis result is that the telemetering data is correct. According to the technical scheme provided by the embodiment of the invention, the accuracy of the telemetering data can be analyzed by comparing the working data of the equipment with the set threshold value of the distribution transformer electrical index, the phenomenon of zero drift of the distribution transformer is considered, the accuracy analysis capability of the distribution network main station on the telemetering data is improved, and the distribution network main station can better guide the distribution operation and maintenance team to maintain and eliminate the distribution terminal with telemetering and remote signaling faults.
EXAMPLE five
Fig. 5 is a schematic structural diagram of an electric power data accuracy analysis apparatus in a fifth embodiment of the present invention, which is applicable to a situation where a distribution network master station analyzes accuracy of electric power data. The apparatus may be implemented by software and/or hardware, and may be configured in an electronic device.
As shown in fig. 5, the apparatus may include: a data acquisition module 510, a band telemetry switch determination module 520, and a power data accuracy analysis module 530.
A data obtaining module 510, configured to obtain state information of the switch and obtain telemetry data;
a switch with telemetry determination module 520, configured to obtain identification information of a switch whose state information is a quantile, and determine that the switch is a switch with telemetry if the identification information and the telemetry data have a correspondence;
and the power data accuracy analysis module 530 is used for analyzing the accuracy of the power data with the remote measuring switch according to the electrical index threshold judgment rule.
According to the technical scheme provided by the embodiment of the invention, the state information of the switch is obtained, and the telemetering data is obtained; acquiring identification information of a switch with state information being a quantile, and if the identification information and the telemetering data have a corresponding relation, determining that the switch is a telemetering switch; and analyzing the accuracy of the power data with the remote measuring switch according to an electric index threshold value judgment rule. According to the technical scheme provided by the embodiment of the invention, the accuracy of the power data with the remote measurement switch can be analyzed according to the electrical index threshold, so that the data quality analysis capability of the power distribution network master station is improved, the accuracy of the power data by the power distribution network master station is effectively judged, and the power distribution network master station can better guide the power distribution operation and maintenance team to maintain and eliminate the power distribution terminal with remote measurement and remote communication faults.
Optionally, the power data accuracy analysis module 530 is specifically configured to determine that the telemetry data is generated by null shift if an electrical index item in the telemetry data with the telemetry switch is lower than an electrical index set threshold.
Optionally, the apparatus further comprises: the telemetering data monitoring module is used for putting the telemetering data of the switch into a monitoring queue and monitoring whether the telemetering data changes within a set time length if an electrical index item in the telemetering data with the telemetering switch is higher than a set threshold value of an electrical index; and the first analysis result determining module is used for determining that the analysis result is a telemetering data error if the analysis result is not the telemetering data error.
Optionally, the apparatus further comprises: the working data acquisition module is used for acquiring the working data of the distribution transformer connected with the telemetering switch after the switch is determined to be the telemetering switch; the working data analysis module is used for judging whether the distribution transformer of the equipment is loaded or not according to the working data; and the second analysis result determining module is used for determining that the analysis result is a remote signaling data error if the analysis result is positive.
Optionally, the apparatus further comprises: the non-telemetering switch determining module is used for acquiring the state information of the switch and acquiring telemetering data, then acquiring the identification information of the switch of which the state information is in a closed position, and if the identification information does not have a corresponding relation with the telemetering data, determining that the switch is not provided with the telemetering switch; (ii) a The working data acquisition module is used for acquiring the working data of the distribution transformer connected with the distribution transformer without the telemetering switch; and the third analysis result determining module is used for determining that the analysis result is correct remote signaling data if the electrical index item in the working data is lower than the set threshold of the distribution transformer electrical index.
Optionally, the apparatus further comprises: an operational data monitoring module for, after said obtaining operational data for a distribution transformer connected to said distribution transformer without a telemetry switch,
if the electrical index item in the working data is higher than a set threshold value of a distribution transformer electrical index, putting the working data into a monitoring queue, and monitoring whether the working data changes within a set time length; and if so, determining that the analysis result is telemetry data error.
Optionally, the apparatus further comprises: the voltage index item accuracy determining module is used for determining that the analysis result is a voltage index item error if the voltage index item in the telemetering data exceeds a set voltage threshold after acquiring the state information of the switch and acquiring the telemetering data; and the current index item accuracy determining module is used for determining that the analysis result is a current index item error if the difference between the current index items of each phase in the telemetering data exceeds a set current threshold value.
Optionally, the apparatus further comprises; the system comprises a preset relation table and switch state acquisition module, a remote signaling data acquisition module and a control module, wherein the preset relation table and switch state acquisition module is used for acquiring a preset corresponding relation table of a switch identifier and remote signaling data and acquiring switch state data before acquiring state information of a switch and acquiring remote signaling data; and the preset corresponding relation table accuracy judging module is used for determining that the analysis result is a preset corresponding relation table error if the switch state obtained by the preset corresponding relation table is inconsistent with the switch state data.
The power data accuracy analysis device provided by the embodiment of the invention can execute the power data accuracy analysis method provided by any embodiment of the invention, and has the corresponding functional modules and beneficial effects of executing the power data accuracy analysis method.
EXAMPLE six
The invention also provides an electronic device and a readable storage medium according to the embodiment of the invention.
Fig. 6 is a schematic structural diagram of an electronic device implementing the power data accuracy analysis method according to the embodiment of the present invention. Electronic devices are intended to represent various forms of digital computers, such as laptops, desktops, workstations, personal digital assistants, servers, blade servers, mainframes, and other appropriate computers. The electronic device may also represent various forms of mobile devices, such as personal digital processing, cellular phones, smart phones, wearable electronic devices, and other similar computing devices. The components shown herein, their connections and relationships, and their functions, are meant to be exemplary only, and are not meant to limit implementations of embodiments of the inventions described and/or claimed herein.
As shown in fig. 6, the electronic apparatus includes: one or more processors 610, memory 620, and interfaces for connecting the various components, including a high-speed interface and a low-speed interface. The various components are interconnected using different buses and may be mounted on a common motherboard or in other manners as desired. The processor may process instructions for execution within the electronic device, including instructions stored in or on the memory to display graphical information of a GUI on an external input/output device (such as a display electronic device coupled to the interface). In other embodiments, multiple processors and/or multiple buses may be used, along with multiple memories and multiple memories, as desired. Also, multiple electronic devices may be connected, with each electronic device providing portions of the necessary operations (e.g., as an array of electronic devices, a set of blade-like electronic devices, or a multi-processor system). One processor 610 is illustrated in fig. 6.
The memory 620 is a non-transitory computer readable storage medium provided by the embodiments of the present invention. The memory stores instructions executable by the at least one processor, so that the at least one processor executes the power data accuracy analysis method provided by the embodiment of the invention. The non-transitory computer-readable storage medium of the embodiment of the present invention stores computer instructions for causing a computer to execute the power data accuracy analysis method provided by the embodiment of the present invention.
The memory 620 may include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required for at least one function; the storage data area may store data created by use of an electronic device that implements the power data accuracy analysis method, and the like. Further, the memory 620 may include high speed random access memory, and may also include non-transitory memory, such as at least one magnetic disk storage device, flash memory device, or other non-transitory solid state storage device. In some embodiments, memory 620 optionally includes memory located remotely from processor 610, which may be connected over a network to an electronic device that performs the power data accuracy analysis method. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof.
The electronic device performing the power data accuracy analysis method may further include: an input device 630 and an output device 640. The processor 610, the memory 620, the input device 630, and the output device 640 may be connected by a bus or other means, such as the bus connection in fig. 6.
The input device 630 may receive input numeric or character information and generate key signal inputs related to user settings and function control of an electronic apparatus performing the power data accuracy analysis method, such as a touch screen, a keypad, a mouse, a track pad, a touch pad, a pointing stick, one or more mouse buttons, a track ball, a joystick, or the like. The output devices 640 may include display electronics, auxiliary lighting devices (e.g., LEDs), tactile feedback devices (e.g., vibrating motors), and the like. The display electronics may include, but are not limited to, Liquid Crystal Displays (LCDs), Light Emitting Diode (LED) displays, and plasma displays. In some implementations, the display electronics can be a touch screen.
Various implementations of the systems and techniques described here can be realized in digital electronic circuitry, integrated circuitry, application specific ASICs (application specific integrated circuits), computer hardware, firmware, software, and/or combinations thereof. These various embodiments may include: implemented in one or more computer programs that are executable and/or interpretable on a programmable system including at least one programmable processor, which may be special or general purpose, receiving data and instructions from, and transmitting data and instructions to, a storage system, at least one input device, and at least one output device.
These computer programs (also known as programs, software applications, or code) include machine instructions for a programmable processor, and may be implemented using high-level procedural and/or object-oriented programming languages, and/or assembly/machine languages. As used herein, the terms "machine-readable medium" and "computer-readable medium" refer to any computer program product, electronic device, and/or apparatus (e.g., magnetic discs, optical disks, memory, Programmable Logic Devices (PLDs)) used to provide machine instructions and/or data to a programmable processor, including a machine-readable medium that receives machine instructions as a machine-readable signal. The term "machine-readable signal" refers to any signal used to provide machine instructions and/or data to a programmable processor.
To provide for interaction with a user, the systems and techniques described here can be implemented on a computer having: a display device (e.g., a CRT (cathode ray tube) or LCD (liquid crystal display) monitor) for displaying information to a user; and a keyboard and a pointing device (e.g., a mouse or a trackball) by which a user can provide input to the computer. Other kinds of devices may also be used to provide for interaction with a user; for example, feedback provided to the user can be any form of sensory feedback (e.g., visual feedback, auditory feedback, or tactile feedback); and input from the user may be received in any form, including acoustic, speech, or tactile input.
The systems and techniques described here can be implemented in a computing system that includes a back-end component (e.g., as a data server), or that includes a middleware component (e.g., an application server), or that includes a front-end component (e.g., a user computer having a graphical user interface or a web browser through which a user can interact with an implementation of the systems and techniques described here), or any combination of such back-end, middleware, or front-end components. The components of the system can be interconnected by any form or medium of digital data communication (e.g., a communication network). Examples of communication networks include: local Area Networks (LANs), Wide Area Networks (WANs), the internet, and blockchain networks.
The computer system may include clients and servers. A client and server are generally remote from each other and typically interact through a communication network. The relationship of client and server arises by virtue of computer programs running on the respective computers and having a client-server relationship to each other.
It should be understood that various forms of the flows shown above may be used, with steps reordered, added, or deleted. For example, the steps described in the embodiments of the present invention may be executed in parallel, may be executed sequentially, or may be executed in different orders, so long as the desired results of the technical solutions disclosed in the embodiments of the present invention can be achieved, which is not limited herein.
The above detailed description does not limit the scope of the embodiments of the present invention. It should be understood by those skilled in the art that various modifications, combinations, sub-combinations and substitutions may be made in accordance with design requirements and other factors. Any modification, equivalent replacement, and improvement made within the spirit and principle of the embodiments of the present invention should be included in the scope of the embodiments of the present invention.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (10)
1. A method for analyzing the accuracy of power data is characterized by comprising the following steps:
acquiring state information of a switch and acquiring telemetering data;
acquiring identification information of a switch with state information being a quantile, and if the identification information and the telemetering data have a corresponding relation, determining that the switch is a telemetering switch;
and analyzing the accuracy of the power data with the remote measuring switch according to an electric index threshold value judgment rule.
2. The method of claim 1, wherein analyzing the telemetered switch power data for accuracy according to an electrical index threshold determination rule comprises:
and if the electrical index item in the telemetering data with the telemetering switch is lower than the set threshold value of the electrical index, determining that the telemetering data is generated by null shift.
3. The method of claim 1, wherein analyzing the telemetered switch power data for accuracy according to an electrical index threshold determination rule comprises:
if the electrical index item in the telemetering data with the telemetering switch is higher than the set threshold value of the electrical index, after the analyzing the accuracy of the power data with the telemetering switch according to the electrical index threshold value judgment rule, the method further comprises the following steps:
putting the telemetering data of the switch into a monitoring queue, and monitoring whether the telemetering data changes within a set time length; if not, determining that the analysis result is telemetry data error.
4. The method of claim 1, after determining that the switch is a band telemetry switch, further comprising:
acquiring working data of a distribution transformer connected with the remote measurement switch;
judging whether the distribution transformer is loaded or not according to the working data;
and if so, determining that the analysis result is a remote signaling data error.
5. The method of claim 1, after obtaining the status information of the switch and obtaining the telemetry data, further comprising:
acquiring identification information of a switch with the state information of a closed position, and if the identification information does not have a corresponding relation with the telemetering data, determining that the switch is not provided with the telemetering switch;
acquiring working data of a distribution transformer connected with the non-telemetric switch;
and if the electrical index item in the working data is lower than the set threshold value of the distribution transformer electrical index, determining that the analysis result is that the remote signaling data is correct.
6. The method of claim 5, further comprising, after said obtaining operational data for a distribution transformer connected to said distribution transformer without a telemetry switch:
if the electrical index item in the working data is higher than a set threshold value of a distribution transformer electrical index, putting the working data into a monitoring queue, and monitoring whether the working data changes within a set time length; and if so, determining that the analysis result is telemetry data error.
7. The method of claim 1, further comprising at least one of the following operations after obtaining the status information of the switch and obtaining the telemetry data:
if the voltage index item in the telemetering data exceeds a set voltage threshold value, determining that the analysis result is that the voltage index item is wrong;
and if the difference between the current index items of each phase in the telemetering data exceeds a set current threshold, determining that the analysis result is that the current index item is wrong.
8. The method of claim 1, wherein prior to obtaining the status information of the switch and obtaining the telemetry data, the method further comprises:
acquiring a preset corresponding relation table of the switch identification and the remote signaling data, and acquiring switch state data;
and if the switch state obtained by the preset corresponding relation table is inconsistent with the switch state data, determining that the analysis result is a preset corresponding relation table error.
9. An electronic device, characterized in that the electronic device comprises:
one or more processors;
a memory for storing one or more programs;
when executed by the one or more processors, cause the one or more processors to implement the power data accuracy analysis method of any of claims 1-8.
10. A non-transitory computer readable storage medium storing computer instructions for causing a computer to perform the power data accuracy analysis method of any one of claims 1-8.
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