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Transformer substation monitoring system performance evaluation method based on avalanche testing

A substation monitoring and system performance technology, applied in the power grid field, can solve the problems of telecontrol information loss, telecontrol interruption, fault expansion, etc., and achieve the effect of improving equipment performance level, facilitating evaluation, and realizing convenience.

Active Publication Date: 2020-09-01
STATE GRID HEBEI ELECTRIC POWER RES INST +2
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  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In an emergency state, for example, when some substations trip due to faults, especially when the busbar trips, the signals are sent centrally. Due to the insufficient performance of the substation monitoring system, some signals are lost or wrong
When the substation is in a critical state, the substation receives a large amount of data including line tripping, remote cutting, voltage collapse, frequency drop, etc. in a short time. Fault expansion, etc.

Method used

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  • Transformer substation monitoring system performance evaluation method based on avalanche testing
  • Transformer substation monitoring system performance evaluation method based on avalanche testing
  • Transformer substation monitoring system performance evaluation method based on avalanche testing

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Embodiment Construction

[0058] The present invention will be described in further detail below in conjunction with the examples, but the scope of the present invention is not limited thereto, and the scope of protection is described in the claims. The following will clearly and completely describe the technical solutions in the embodiments of the application with reference to the drawings in the embodiments of the application. Apparently, the described embodiments are only some of the embodiments of the application, not all of them. The following description of at least one exemplary embodiment is merely illustrative in nature and in no way serves as any limitation of the application, its application or uses. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of this application.

[0059] Such as Figure 1-Figure 2 As shown, the overall idea of ​​the present invention is: simul...

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Abstract

The invention relates to a transformer substation monitoring system performance evaluation method based on an avalanche test. The method comprises the steps of setting the potions and the number of the remote signaling signals, at the same time, realizing the remote signaling avalanche simulation and the telemetering avalanche simulation; during the simulation process, carrying out different levels of remote signaling avalanche simulation and different levels of telemetering avalanche simulation, monitoring the state of a tested transformer substation, and obtaining the performance level of atested transformer substation monitoring system. According to the present invention, the performance condition of the transformer substation monitoring system can be visually seen, and an electric power company can conveniently evaluate the performance of the transformer substation monitoring system.

Description

technical field [0001] The invention belongs to the technical field of power grids, and more precisely, belongs to the field of performance test and evaluation of a substation monitoring system in an electric power dispatching automation system. The invention relates to a method for evaluating the performance of a substation monitoring system based on an avalanche test. Background technique [0002] According to the network data flow of the substation dispatching automation system, the operation status of the substation can be divided into: normal state, emergency state and critical state. [0003] The accuracy and timeliness of the signal are very important to the power grid and the basis for the safe operation of the power grid. Therefore, the performance of the substation monitoring system is particularly critical. [0004] In an emergency state, for example, when some substations trip due to faults, especially when the busbar trips, the signals are sent centrally. Due to...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J13/00H02H7/26G01R35/00
CPCH02J13/00006H02H7/262G01R35/00Y02E60/00Y04S10/20Y04S40/12
Inventor 李均强李宣义栗会峰王献志李铁成赵宇皓
Owner STATE GRID HEBEI ELECTRIC POWER RES INST
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