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author:

谢志德 (谢志德.) [1] | 杨明发 (杨明发.) [2] (Scholars:杨明发)

Indexed by:

CQVIP

Abstract:

模块化多电平换流器(modular multilevel converter,MMC)在直流电网中具有较大的应用潜力.当前各类MMC拓扑中,半桥型MMC具有最佳经济效益,但缺乏直流故障清除能力.针对柔性直流架空线路频发的瞬时性直流故障,本文提出了一种模块化多电平混合旁路直流故障隔离方案.当直流侧发生故障时,导通旁路晶闸管,利用避雷器去除桥臂剩余电流并用快速机械开关迅速隔离直流线路.混合旁路故障隔离方案能够快速隔离换流站与直流线路,并可以在隔离后迅速起动换流器做STATCOM运行.通过在PSCAD/EMTDC建立双端柔性直流输电仿真模型.

Keyword:

双晶闸管子模块 双极短路故障 就地保护 模块化多电平换流器(MMC) 混和旁路

Community:

  • [ 1 ] [谢志德]福州大学
  • [ 2 ] [杨明发]福州大学

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Source :

电气技术

ISSN: 1673-3800

CN: 11-5255/TM

Year: 2017

Issue: 11

Page: 39-43

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count: -1

Chinese Cited Count:

30 Days PV: 4

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