Series compensation protection device and series compensation protection test system based on cloud computing

A series compensation protection and testing system technology, applied in the field of series compensation protection, can solve the problems of multiple analog acquisition circuits, high spark gap failure rate, high similarity of action results, etc., to ensure trigger reliability, high trigger reliability, Guaranteed continuity of effect

Pending Publication Date: 2019-11-05
EXTRA HIGH VOLTAGE POWER TRANSMISSION NANJING OF CHINA SOUTHERN POWER GRID
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

2) There are many analog acquisition circuits and many protection functions
3) The action results of the series compensation protection device have high similarity
[0005] The spark gap of the existing series compensation protection device has a high failure rate, and the trigger is often unreliable

Method used

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  • Series compensation protection device and series compensation protection test system based on cloud computing
  • Series compensation protection device and series compensation protection test system based on cloud computing

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] Such as figure 1 As shown, the present invention provides a series compensation protection device, including capacitor bank C, normally open contact GS1, normally open contact DS1, normally open contact GS2, normally open contact DS2, normally open contact MBS, varistor MOV1 , rheostat MOV2, damping circuit, spark gap GAP, bypass switch BPS and insulation platform;

[0035] The capacitor bank C includes a capacitor C1, a capacitor C2, a capacitor C3, and a capacitor C4, the capacitor C1 is connected in series with the capacitor C2, the capacitor C2 is connected in series with the capacitor C3, the capacitor C3 is connected in series with the capacitor C4, and the capacitor C4 is connected in series with the capacitor C1;

[0036] The damping circuit includes a resistor R1, a rheostat R2 and an inductor L, the resistor R1 is connected in series with the rheostat R2, the rheostat R2 is connected in series with the inductor L, and the inductor L is connected in series with...

Embodiment 2

[0039] Such as figure 2 As shown, the present invention also provides a cloud computing-based series compensation protection test system, including a control room interaction module, a cloud server, and a field test module;

[0040] The operator sends commands to the control room interaction module through the cloud server. After the control room interaction module receives the command, it controls the field test module through the cloud server to output and collect data. After the field test module is tested, the results are fed back to the cloud server and stored. , to present to the operator and allow them to call and view, and also feed back the results to the control room interaction module to tell them the test status.

[0041] Specifically, the cloud computing-based series compensation protection test system also includes a Beidou timing subsystem, which is used to trigger output through time to ensure time synchronization between the control room interaction module an...

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Abstract

The invention discloses a series compensation protection device and a series compensation protection test system based on cloud computing. The series compensation protection device comprises a capacitor set C, a normally-open contact GS1, a normally-open contact DS1, a normally-open contact GS2, a normally-open contact DS2, a normally-open contact MBS, a rheostat MOV1, a rheostat MOV2, a damping loop, a spark gap GAP, a by-pass switch BPS and an insulating platform. The capacitor set C comprises a capacitor C1, a capacitor C2, a capacitor C3 and a capacitor C4, wherein the capacitor C1 is connected in series with the capacitor C2, the capacitor C2 is connected in series with the capacitor C3, the capacitor C3 is connected in series with the capacitor C4, and the capacitor C4 is connected in series with the capacitor C1; the damping loop comprises a resistor R1, a rheostat R2 and an inductor L, wherein the resistor R1 is connected in series with the rheostat R2, the rheostat R2 is connected in series with the inductor L, and the inductor L is connected in series with the resistor R1. By means of the series compensation protection device, the triggering reliability of the spark gap is guaranteed, the triggering continuity of the spark gap is guaranteed, the correctness of motion behaviors of the spark gap is guaranteed, the triggering reliability is high, the voltage-withstandinglevel is high, and the fault rate is low.

Description

technical field [0001] The invention relates to the technical field of series compensation protection, in particular to a series compensation protection device and a cloud computing-based series compensation protection test system. Background technique [0002] The series capacitor compensation technology is to improve the transmission capacity of the line. The capacitor is connected in series to the line. When the high-voltage line fails, the metal oxide arrester (MOV) connected in parallel with the capacitor will act immediately, and at the same time limit the voltage change at both ends of the capacitor. When the accumulated energy of the MOV cannot be dissipated quickly, it will explode and be damaged. Therefore, a spark gap is connected in parallel at both ends of the MOV. When a fault is found, the spark gap will be triggered. Finally, the control system controls the bypass breaker to quickly bypass. Protect capacitors and MOVs. It can be seen that the trigger device ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R31/00G08C17/02H02H7/00H02H7/16H02H9/04H04L29/08
CPCG01R31/00G08C17/02H02H7/008H02H7/16H02H9/043H04L67/025H04L67/1095H04L67/12
Inventor 苏晓李黄河
Owner EXTRA HIGH VOLTAGE POWER TRANSMISSION NANJING OF CHINA SOUTHERN POWER GRID
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