浙江电力

2018, v.37;No.271(11) 16-22

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舟山多端柔性直流输电系统换流阀技术
Converter Valve Technology for Zhoushan Multi-terminal Flexible HVDC Transmission System

刘黎,沈佩琦,杨勇,詹志雄
LIU Li,SHEN Peiqi,YANG Yong,ZHANG Zhixiong

摘要(Abstract):

首先对舟山多端柔性直流输电系统中模块化多电平换流器换流阀的工作原理、组成结构、技术特点等进行了介绍,对多端柔性直流系统换流阀控制和保护特性进行了归纳总结,给出了舟山多端柔性直流换流阀运行监视与故障处理的流程。最后,针对换流器加装阻尼模块后运行过程中发现的问题给出了解决方法,大大提升了舟山多端柔性直流系统运行的可靠性。
This paper introduces the operation principle, structure and technical characteristics of converter valve of modular multi-level converter in Zhoushan multi-terminal flexible HVDC transmission system; besides, it summarizes control and protection characteristics of the converter valve and proposes the operation monitoring and fault handling process. Finally, it provide solution to the existing operation problem due to damping module installation, which significantly improves operation reliability of Zhoushan multi-terminal flexible HVDC transmission system.

关键词(KeyWords): 模块化多电平换流器;换流阀;故障处理
modular multi-level converter;converter valve;fault handling

Abstract:

Keywords:

基金项目(Foundation): 国家电网有限公司科技项目(5211DS16000C)

作者(Author): 刘黎,沈佩琦,杨勇,詹志雄
LIU Li,SHEN Peiqi,YANG Yong,ZHANG Zhixiong

DOI: 10.19585/j.zjdl.201811003

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