Analysis on Number Limitation of BOD Triggered Thyristors in a Thyristor Valve

ZHANG Jian-feng

doi:10.13296/j.1001-1609.hva.2013.08.003

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Analysis on Number Limitation of BOD Triggered Thyristors in a Thyristor Valve

更新时间：2025-04-26

- Analysis on Number Limitation of BOD Triggered Thyristors in a Thyristor Valve
- High VoltageApparatus Vol. 49, Issue 8, Pages: 112-114(2013)
- 作者机构：
  
  西安西电电力系统有限公司
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2013.08.003
  CLC： TN34
- Published：2013
- 稿件说明：
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[1]张建峰.单阀中允许最多BOD触发晶闸管级数的简要分析[J].高压电器,2013,49(08):112-114.

ZHANG Jian-feng. Analysis on Number Limitation of BOD Triggered Thyristors in a Thyristor Valve[J]. High voltageapparatus, 2013, 49(8): 112-114.
[1]张建峰.单阀中允许最多BOD触发晶闸管级数的简要分析[J].高压电器,2013,49(08):112-114. DOI： 10.13296/j.1001-1609.hva.2013.08.003.

ZHANG Jian-feng. Analysis on Number Limitation of BOD Triggered Thyristors in a Thyristor Valve[J]. High voltageapparatus, 2013, 49(8): 112-114. DOI： 10.13296/j.1001-1609.hva.2013.08.003.

摘要

中国溪洛渡贵广一回、贵广二回等直流输电工程中均采用了直接光触发晶闸管换流阀。为了满足超高压、特高压工程的要求

换流阀采用众多晶闸管的串联技术。为了确保触发的可靠性

作为后备紧急保护触发

在每个晶闸管内部有集成了转折二极管（BOD）电路。笔者就该电路的工作原理和单阀中允许最多BOD触发晶闸管级数的限定原则进行分析。

Abstract

Light triggered thyristor valves have been widely used in many Chinese HVDC or UHVDC power transmission projects

such as Xiluodu Project

GG I Project

and GG II Project

where many thyristors are connected in series in a thyristor valve.Break over diode（BOD） circuits are integrated into each thyristor to ensure reliable stand-by emergent protective triggering.The author analyzes the working principle of BOD circuit

and discusses the limiting principle of the maximum number of thyristors triggered by the BOD circuits in a thyristor valve.

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