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高压电器  2015 

两种特高压直流输电用晶闸管控制单元工作原理分析对比

DOI: 10.13296/j.1001-1609.hva.2015.07.014, PP. 74-77

Keywords: 特高压直流,晶闸管换流阀,晶闸管控制单元,晶闸管触发监测单元

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Abstract:

晶闸管控制单元是特高压用晶闸管换流阀的核心器件,其主要功能是实现阀控和换流阀之间信号的光电转换,完成对换流阀的触发、保护、状态检测等功能。笔者对目前主要采用的两种晶闸管控制单元设计理念和原理进行了研究,并从取能方式、正向保护触发原理、阀塔布置3个方面对两种板卡性能进行了介绍和对比,对今后开发性能更稳定可靠的高电位板具有理论和实际的指导意义。

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