Research of the Control Unit of Forced Zero HVDC Circuit Breaker

SHAO Min; YUAN Zhao; FANG Shuai; YU Xinlin; ZHAO Wenting; HE Junjia; PAN Yuan

doi:10.13296/j.1001-1609.hva.2015.11.008

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Research of the Control Unit of Forced Zero HVDC Circuit Breaker

更新时间：2025-04-26

- Research of the Control Unit of Forced Zero HVDC Circuit Breaker
- High VoltageApparatus Vol. 51, Issue 11, Pages: 47-52(2015)
- 作者机构：
  
  华中科技大学强电磁工程与新技术国家重点实验室
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2015.11.008
  CLC： TM561
- Published：2015
- 稿件说明：
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[1]邵敏,袁召,方帅,喻新林,赵文婷,何俊佳,潘垣.强制过零型高压直流断路器的控制单元研究[J].高压电器,2015,51(11):47-52.

SHAO Min, YUAN Zhao, FANG Shuai, et al. Research of the Control Unit of Forced Zero HVDC Circuit Breaker[J]. High voltageapparatus, 2015, 51(11): 47-52.
[1]邵敏,袁召,方帅,喻新林,赵文婷,何俊佳,潘垣.强制过零型高压直流断路器的控制单元研究[J].高压电器,2015,51(11):47-52. DOI： 10.13296/j.1001-1609.hva.2015.11.008.

SHAO Min, YUAN Zhao, FANG Shuai, et al. Research of the Control Unit of Forced Zero HVDC Circuit Breaker[J]. High voltageapparatus, 2015, 51(11): 47-52. DOI： 10.13296/j.1001-1609.hva.2015.11.008.

摘要

随着柔性直流输电技术与大功率电力电子技术的发展

高压直流输电技术得到了不断地发展

而高压直流断路器已成为限制直流电网发展的主要瓶颈问题之一。现有的机械式高压直流断路器能够在几十ms内断开电路

但对于高压直流输电系统

远不能达到要求。采用高速电磁斥力机构作为机械开关的操动机构能够克服上述缺点。文中对以电磁斥力机构作为操动机构的强制过零型高压直流断路器的拓扑结构和工作原理进行了详细介绍

并针对其工作原理

提出控制需求

进而对其控制单元进行了研究。最后在自研的40.5 k V强制过零型高压直流断路器单元样机上对所研究的控制单元的实用性进行了验证。

Abstract

With the development of flexible DC transmission technology and high-power electronic technology

the HVDC transmission technology has been developed continuously

while HVDC circuit breaker is one of the major difficulties. Existing mechanical HVDC circuit breakers are capable of interrupting HVDC currents within several tens of milliseconds

but this is too slow to fulfill the requirements of a reliable HVDC grid. Using high speed electromagnetic repulsion mechanism as the operating mechanism of the breaker can overcome this problem. The topology and principle of forced zero HVDC circuit breaker with electromagnetic repulsion mechanism is introduced in detail. A control unit is studied based on the principle of forced zero HVDC circuit breaker. At last

an experiment is conducted on our own unit prototype of the forced zero HVDC circuit breaker

which verified the practicability of the control unit.

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