控制保护特性对±1 100 kV特高压直流过电压的影响

YANG Peng

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控制保护特性对±1 100 kV特高压直流过电压的影响

更新时间：2025-08-13

- 控制保护特性对±1 100 kV特高压直流过电压的影响
- Automation of Electric Power Systems Vol. 39, Issue 10, Pages: 181-185(2015)
- 作者机构：
  
  中国电力科学研究院,北京市,100192
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2015
- 稿件说明：
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YANG Peng. [J]. Automation of electric power systems, 2015, 39(10): 181-185.
DOI：

YANG Peng. [J]. Automation of electric power systems, 2015, 39(10): 181-185. DOI：

摘要

直流系统操作及故障过电压与直流系统自身的控制保护特性密切相关

采用与特高压直流输电(UHVDC)实际工程特性一致的详细电磁暂态模型

研究直流控制保护特性对即将建设的±1 100 kV特高压直流工程过电压的影响

研究内容主要包括主后备保护配合、直流功率控制方式、直流低压限流(VDCL)特性和直流不同的闭锁方式对换流站过电压的影响

最后总结了直流控制保护特性对换流站过电压的影响程度

对于研究中发现的问题提出参考建议。

Abstract

Ultra high voltage direct current (UHVDC) operation overvoltage and fault overvoltage are closely related to pole control and protection characteristics. So an analysis is made on overvoltage of a ±1 100 kV UHVDC project to be built in the near future to study the influence of the pole control and protection characteristics on the project. Based on the sophisticated electrical magnetic transient model of the UHVDC project

the research is mainly focused on protection cooperation

the DC power control mode

voltage dependent current limiting (VDCL) characteristics and protection trip methodology with an obvious impact on converter station overvoltage. In the end

the influence of pole control and protection characteristics on high voltage direct current (HVDC) overvoltage is summed up and suggestions are made for addressing problems encountered in the ±1 100 kV UHVDC project. This work is supported by State Grid Corporation of China

Major Projects on Planning and Operation Control of Large Scale Grid (No. SGCC-MPLG001-2012).

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