Calculation for Self-excited Oscillation in HVDC Circuit Breaker

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Calculation for Self-excited Oscillation in HVDC Circuit Breaker

更新时间：2025-04-26

- Calculation for Self-excited Oscillation in HVDC Circuit Breaker
- High VoltageApparatus Issue 2, Pages: 26-29(1991)
- 作者机构：
  
  清华大学
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：1991
- 稿件说明：
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[1]张力超,张节容,吉嘉琴.高压直流断路器的自激振荡计算[J].高压电器,1991(02):26-29.

Calculation for Self-excited Oscillation in HVDC Circuit Breaker[J]. High voltageapparatus, 1991, (2): 26-29.
[1]张力超,张节容,吉嘉琴.高压直流断路器的自激振荡计算[J].高压电器,1991(02):26-29. DOI：

Calculation for Self-excited Oscillation in HVDC Circuit Breaker[J]. High voltageapparatus, 1991, (2): 26-29. DOI：

摘要

本文对高压直流断路器转移回路中的自激振荡过程进行了数值模拟计算

计算结果指示出孤电压的多次重复的跳跃变化对产生增幅振荡电流影响极大

加强电弧的负阻特性

增加转移回路中的电容、减小电感和电阻

可以提高振荡电流的振幅对电弧电压跳变的灵敏变。

Abstract

The self-excited oscillating in the passive computation circuit is calculated by using numeral simulation method. The results show that the multi-repeated steep variation of arc voltage will Severely influence the escalated oscillating current. Strengthening the negative arc resistance characteristic

increasing the capacitance

decreasing the inductance and resistance in the circuit

the sensitivity of the oscillating current amplitude to the steep variation of arc voltage will be increased.

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