Ｒesearch on Flexible HVDC System Control Strategy Based on MMC

Liang Ming

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Ｒesearch on Flexible HVDC System Control Strategy Based on MMC

更新时间：2026-02-13

- Ｒesearch on Flexible HVDC System Control Strategy Based on MMC
- Vol. 42, Issue 1, Pages: 14-18(2019)
- 作者机构：
  
  西南电力设计院有限公司
- 作者简介：
- 基金信息：
- DOI：
  CLC： TM761
- Published：2019
- 稿件说明：
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Liang Ming. Ｒesearch on Flexible HVDC System Control Strategy Based on MMC[J]. 2019, 42(1): 14-18.
DOI：

Liang Ming. Ｒesearch on Flexible HVDC System Control Strategy Based on MMC[J]. 2019, 42(1): 14-18. DOI：

摘要

模块化多电平换流器作为柔性直流输电系统的常见换流器拓扑结构，对其进行控制策略研究具有重要意义。首先介绍了 MMC 的拓扑结构和基本工作原理，推导得到了 MMC － HVDC 的简化电路模型，设计了 dq 坐标系下的内环电流控制器及外环控制器; 然后研究了 MMC － HVDC 系统下的有功/无功控制策略，并在 PSCAD/EMTDC 中搭建了双端 MMC － HVDC 系统并进行仿真研究，仿真结果表明了该电路模型的正确性及控制策略的有效性。

Abstract

Modular multilevel converter ( MMC) is the preferred converter topology of flexible DC transmission system，and researching the control strategy of MMC is of great significance． The topology and basic working principle of MMC are introduced，and the simplified circuit model of MMC － HVDC is deduced． The inner － loop current controller and outer － loop controller in dq coordinate are designed． Moreover，the active /reactive power control strategy of MMC － HVDC system is studied． Finally，a point － to － point MMC － HVDC system is established and simulated in PSCAD/EMTDC． The results show that the proposed MMC model is correct and the control strategy is effect．

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