浙江电力

2018, v.37;No.269(09) 8-13

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直流断路器及阻尼快速恢复系统在舟山多端柔性直流输电工程中的应用
Application of DC Circuit Breaker and Damping Fast Recovery System in Multi Terminal Flexible DC Transmission Project in Zhoushan

刘黎,俞兴伟,乔敏
LIU Li,YU Xingwei,QIAO Min

摘要(Abstract):

介绍舟山多端柔性直流输电换流站直流断路器及阻尼快速恢复系统的基本情况,对直流断路器、谐振开关、阻尼模块等设备原理进行说明,分析直流输电系统快速重启动及换流站单站投退在工程中的应用,针对实际运行过程中发现的换流站极隔离失败的隐患,给出了解决方法,缩短直流故障清除和非故障端重启动时间,大大提高舟山多端柔性直流输电系统运行的可靠性。
This paper introduces DC circuit breaker and damping fast recovery system in multi-terminal flexible DC transmission project in Zhoushan; besides, it describes principles of DC circuit breaker, resonant switch, damping modules. Finally, it analyzes the engineering application of fast restart of DC transmission system and single station switching of converter station. In accordance with potential hazards in polar isolation of converter station in operation, the paper proposes a solution to shorten time for DC fault handling and restart at non-fault terminal, and therefore improve operation reliability of Zhoushan multi-terminal flexible DC transmission system.

关键词(KeyWords): 柔性直流;直流断路器;阻尼;快速重启动;单站投退
VSC-HVDC;DC circuit breaker;damping;fast restart;single station switching

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,俞兴伟,乔敏
LIU Li,YU Xingwei,QIAO Min

DOI: 10.19585/j.zjdl.201809002

参考文献(References):

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