Simulation Research of Transient Over-voltage on High-voltage Shunt Capacitor Banks

doi:10.13296/j.1001-1609.hva.2011.09.020

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Simulation Research of Transient Over-voltage on High-voltage Shunt Capacitor Banks

更新时间：2025-05-17

- Simulation Research of Transient Over-voltage on High-voltage Shunt Capacitor Banks
- High VoltageApparatus Vol. 47, Issue 9, Pages: 37-43(2011)
- 作者机构：
- 作者简介：
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- DOI：10.13296/j.1001-1609.hva.2011.09.020
  CLC： TM53
- Published：2011
- 稿件说明：
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[J]. High voltageapparatus, 2011, 47(9): 37-43.
DOI：

[J]. High voltageapparatus, 2011, 47(9): 37-43. DOI： 10.13296/j.1001-1609.hva.2011.09.020.

摘要

With the development of power systems

a large number of shunt capacitors are used to improve power quality in the distribution network.The shunt capacitor banks are operated much frequently

as a result

the capacitor banks will bear large numbers of over-voltage inevitably.If the over-voltage exceeds certain amplitude

the capacitor will be damaged.This paper aims at the capacitor banks in the 35 kV side of Shanghai Xu-xing 500 kV substation

and applies ATP-EMTP to simulate the over-voltages generated by operating the switches under different angles of the source.Finally

according to the results of simulation and theoretical analysis

a best choice(i.e.angles of the source) to switch on capacitor banks is proposed.In this case the over-voltage on the capacitor will be limited to lowest.

Abstract

With the development of power systems

a large number of shunt capacitors are used to improve power quality in the distribution network.The shunt capacitor banks are operated much frequently

as a result

the capacitor banks will bear large numbers of over-voltage inevitably.If the over-voltage exceeds certain amplitude

the capacitor will be damaged.This paper aims at the capacitor banks in the 35 kV side of Shanghai Xu-xing 500 kV substation

and applies ATP-EMTP to simulate the over-voltages generated by operating the switches under different angles of the source.Finally

according to the results of simulation and theoretical analysis

a best choice（i.e.angles of the source） to switch on capacitor banks is proposed.In this case the over-voltage on the capacitor will be limited to lowest.

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