CN114113899B - Power distribution network power failure range analysis method - Google Patents
Power distribution network power failure range analysis method Download PDFInfo
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Abstract
The application relates to a power failure range analysis method of a power distribution network, which comprises a power grid data information processing unit and a data analysis auxiliary unit; the power grid data information processing unit comprises an identification searching module, wherein the output end of the identification searching module is electrically connected with the input end of the data transmission module, the output end of the identification searching module is electrically connected with the input end of the network transmission module, the output end of the identification searching module is electrically connected with the input end of the database storage module, the output end of the database storage module is electrically connected with the input end point of the comprehensive processing module, and the comprehensive processing module is electrically connected with the result checking module in a bidirectional manner. The power failure range analysis method for the power distribution network can be used for integrally checking and analyzing, so that the power failure fault occurrence range of the power distribution network can be rapidly obtained, and meanwhile, the accuracy of data can be improved through comparing obtained data results.
Description
Technical Field
The application relates to the technical field of power failure processing of a power distribution network, in particular to a power failure range analysis method of the power distribution network.
Background
The distribution network is a power network which receives electric energy from a power transmission network or a regional power plant, is distributed on site through a distribution facility or distributed to various users step by step according to voltage, and consists of an overhead line, a cable, a pole tower, a distribution transformer, a disconnecting switch, a reactive compensator, a plurality of auxiliary facilities and the like, wherein the network plays an important role in distributing the electric energy in the power network, the distribution network generally adopts closed-loop design and open-loop operation, the structure of the distribution network is radial, the closed-loop structure is adopted to improve the operation flexibility and the power supply reliability, the open-loop operation is used to limit short-circuit fault current on one hand, the breaker is prevented from explosion exceeding the breaking capacity, and on the other hand, the fault wave and range are controlled, and the fault and power failure range is prevented from being enlarged.
With the development and popularization of the power grid, the power supply level of the power system is gradually improved, the power failure range can be rapidly determined after power failure occurs, so that power supply can be recovered as soon as possible through timely rush repair, according to the power failure range analysis method of the power distribution network, which is proposed by Chinese patent CN201610952567.8, the power failure range analysis method of the power distribution network is widely analyzed according to the searching in the graph database, and the power failure range analysis method of the power distribution network, which updates the graph database in batches on line, can rapidly position the diffusion area of the power grid fault point, but in the actual operation process, a large amount of time is required in the searching process due to the fact that the data of the data model is too huge.
Disclosure of Invention
Aiming at the defects of the prior art, the application provides a power distribution network power failure range analysis method, which solves the problem that a large amount of time is required to be consumed in the searching process due to huge data of a data model in the actual operation process.
In order to achieve the above purpose, the present application provides the following technical solutions: the power distribution network power outage range analysis method comprises a power grid data information processing unit and a data analysis auxiliary unit;
the power grid data information processing unit comprises an identification searching module, wherein the output end of the identification searching module is electrically connected with the input end of the data transmission module, the output end of the identification searching module is electrically connected with the input end of the network transmission module, the output end of the identification searching module is electrically connected with the input end of the database storage module, the output end of the database storage module is electrically connected with the input end point of the comprehensive processing module, and the comprehensive processing module is electrically connected with the result checking module in a bidirectional manner;
the data analysis auxiliary unit comprises a power grid identification model building module and a display module, wherein the power grid identification model building module is in bidirectional electric connection with the power grid identification updating module, the power grid identification model building module is used for building identification according to the number information of the electric equipment, the port number information of the equipment and the position information of the electric equipment, and the output end of the database storage module is electrically connected with the input end of the power grid identification model building module;
the power distribution network power outage range analysis method further comprises the following steps:
(1) Establishing a power grid identification model at ordinary times through a power grid identification model establishing module and a database storage module, updating the power grid identification in time through a power grid identification updating module, and establishing a brand new power grid identification model when a power failure occurs;
(2) Establishing power failure recovery time of a power distribution network;
(3) On-line confirmation of each power grid identification in the power grid is carried out through the data transmission module, the network transmission module and the identification search module, a brand new power grid identification model is compared and analyzed with the whole model of the database storage module, and an identification model data difference model is formed through the power grid identification model building module;
(4) Thirdly, storing and analyzing the obtained identification model data difference model according to the database storage module and the comprehensive processing module;
(5) And the result checking module performs comparison checking and checking for a plurality of times on the obtained analysis structure to obtain a final analysis result, and the power failure range of the power distribution network can be obtained.
Further, the output end of the result checking module is electrically connected with the input end of the display module, and the checking module calculates, analyzes, compares and integrates the detected multiple results to obtain final data.
Furthermore, the power grid identification updating module timely updates the maintenance, dismantling and new addition conditions of the power grid electrical equipment according to the data transmission module and the network transmission module, and then reestablishes the identification through the power grid identification model establishing module.
Compared with the prior art, the technical scheme of the application has the following beneficial effects:
according to the power distribution network power outage range analysis method, the power grid identification model is built at ordinary times through the power grid identification model building module and the database storage module, the brand-new power grid identification data model is built when a power outage fault occurs, the two power grid identification models are integrally compared and analyzed to obtain the identification model data difference model, the power distribution network power outage fault occurrence range can be rapidly obtained through integral inspection and analysis, meanwhile, the accuracy of data can be improved through data results obtained through comparison, and meanwhile, the problem that data errors can be avoided through repeated inspection of the data is greatly reduced.
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FIG. 1 is a schematic diagram of the system of the present application.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
Referring to fig. 1, the power outage scope analysis method for a power distribution network in this embodiment includes a power grid data information processing unit and a data analysis auxiliary unit;
the power grid data information processing unit in the embodiment comprises an identification searching module, wherein the output end of the identification searching module is electrically connected with the input end of the data transmission module, the output end of the identification searching module is electrically connected with the input end of the network transmission module, the output end of the identification searching module is electrically connected with the input end of the database storage module, the output end of the database storage module is electrically connected with the input end point of the comprehensive processing module, and the comprehensive processing module is electrically connected with the result checking module in a bidirectional way;
the data analysis auxiliary unit in the embodiment comprises a power grid identification model building module and a display module, wherein the power grid identification model building module is in bidirectional electrical connection with the power grid identification updating module.
The output end of the result checking module in the embodiment is electrically connected with the input end of the display module, and the checking module calculates, analyzes, compares and integrates the detected multiple results to obtain final data.
The power grid identification model building module in this embodiment builds identification according to the electrical device number information, the device port number information, and the electrical device location information.
In the embodiment, an abstract connection topological graph is formed through the line connection relation of the electrical equipment, a data model is built, nodes in the graph are named as power grid identifications, and line segments in the graph are the connection relation of the electrical equipment.
The power grid identification updating module in the embodiment timely updates the maintenance, dismantling and new addition conditions of the power grid electrical equipment according to the data transmission module and the network transmission module, and reestablishes the identification through the power grid identification model establishing module.
The power failure range analysis method for the power distribution network comprises the following steps:
(1) Establishing a power grid identification model at ordinary times through a power grid identification model establishing module and a database storage module, updating the power grid identification in time through a power grid identification updating module, and establishing a brand new power grid identification model when a power failure occurs;
(2) Establishing power failure recovery time of a power distribution network;
(3) On-line confirmation of each power grid identification in the power grid is carried out through the data transmission module, the network transmission module and the identification search module, a brand new power grid identification model is compared and analyzed with the whole model of the database storage module, and an identification model data difference model is formed through the power grid identification model building module;
(4) Thirdly, storing and analyzing the obtained identification model data difference model according to the database storage module and the comprehensive processing module;
(5) And the result checking module performs comparison checking and checking for a plurality of times on the obtained analysis structure to obtain a final analysis result, and the power failure range of the power distribution network can be obtained.
Compared with the prior art: the power grid identification model is built at ordinary times through the power grid identification model building module and the database storage module, a brand-new power grid identification data model is built when power failure occurs, and the two power grid identification models are integrally compared and analyzed to obtain an identification model data difference model which can be integrally checked and analyzed, so that the power failure occurrence range of the power distribution network can be rapidly obtained, meanwhile, the accuracy of data can be improved through data results obtained through comparison, and meanwhile, the problem that data are wrong can be avoided through repeated checking is greatly reduced.
It is noted that relational terms such as first and second, and the like are 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. Moreover, 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. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the application, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. The power distribution network power failure range analysis method is characterized by comprising the following steps of: the system comprises a power grid data information processing unit and a data analysis auxiliary unit;
the power grid data information processing unit comprises an identification searching module, wherein the output end of the identification searching module is electrically connected with the input end of the data transmission module, the output end of the identification searching module is electrically connected with the input end of the network transmission module, the output end of the identification searching module is electrically connected with the input end of the database storage module, the output end of the database storage module is electrically connected with the input end point of the comprehensive processing module, and the comprehensive processing module is electrically connected with the result checking module in a bidirectional manner;
the data analysis auxiliary unit comprises a power grid identification model building module and a display module, wherein the power grid identification model building module is in bidirectional electric connection with the power grid identification updating module, the power grid identification model building module is used for building identification according to the number information of the electric equipment, the port number information of the equipment and the position information of the electric equipment, and the output end of the database storage module is electrically connected with the input end of the power grid identification model building module;
the power distribution network power outage range analysis method further comprises the following steps:
(1) Establishing a power grid identification model at ordinary times through a power grid identification model establishing module and a database storage module, updating the power grid identification in time through a power grid identification updating module, and establishing a brand new power grid identification model when a power failure occurs;
(2) Establishing power failure recovery time of a power distribution network;
(3) On-line confirmation of each power grid identification in the power grid is carried out through the data transmission module, the network transmission module and the identification search module, a brand new power grid identification model is compared and analyzed with the whole model of the database storage module, and an identification model data difference model is formed through the power grid identification model building module;
(4) Thirdly, storing and analyzing the obtained identification model data difference model according to the database storage module and the comprehensive processing module;
(5) And the result checking module performs comparison checking and checking for a plurality of times on the obtained analysis structure to obtain a final analysis result, and the power failure range of the power distribution network can be obtained.
2. The power distribution network outage scope analysis method according to claim 1, wherein: the output end of the result checking module is electrically connected with the input end of the display module, and the checking module calculates, analyzes, compares and integrates the detected multiple results to obtain final data.
3. The power distribution network outage scope analysis method according to claim 1, wherein: the power grid identification updating module timely updates the maintenance, dismantling and new addition conditions of the power grid electrical equipment according to the data transmission module and the network transmission module, and then reestablishes the identification through the power grid identification model establishing module.
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