基于MMC的背靠背柔性直流输电系统控制策略

YANG Yuexi

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基于MMC的背靠背柔性直流输电系统控制策略

更新时间：2025-08-13

- 基于MMC的背靠背柔性直流输电系统控制策略
- Automation of Electric Power Systems Vol. 41, Issue 4, Pages: 120-124(2017)
- 作者机构：
  
  全球能源互联网研究院,北京市,102211
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2017
- 稿件说明：
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YANG Yuexi. [J]. Automation of electric power systems, 2017, 41(4): 120-124.
DOI：

YANG Yuexi. [J]. Automation of electric power systems, 2017, 41(4): 120-124. DOI：

摘要

首先研究了基于模块化多电平换流器的高压直流(MMC-HVDC)输电系统的基本控制策略。然后

分析了背靠背MMC-HVDC输电系统的特性

其整流侧换流器与逆变侧换流器的控制系统可共用机柜

因此能实现两侧换流器控制信号的无时延共享。在此基础上

针对背靠背柔性直流的应用需求

提出了一种适用于背靠背MMC-HVDC的控制策略。最后

基于PSCAD/EMTDC搭建了背靠背MMC-HVDC系统仿真模型

验证了所提控制策略的控制效果。

Abstract

First

the basic control strategy of a modular multilevel converter(MMC)based high voltage direct current(MMC-HVDC)transmission system is studied. Then

the characteristics of the back-to-back MMC-HVDC transmission system is analyzed

which can provide synchronous control signal sharing between sending and receiving ends so as to realize delay-free sharing of control signal at two sides of the converter. On this basis

according to the application requirements of MMC based back-to-back high voltage direct current transmission system

a control strategy is proposed. Finally

the effectiveness of the control strategy is verified by digital simulation via PSCAD/EMTDC. This work is supported by State Grid Corporation of China(No. 2014GW-05).

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