Optimization Control Strategy of Capacitor Voltage for Modular Multilevel Converter Based on Mathematical Analysis of Circulating Current

MENG Jingwei; SONG Qiang; SUN Qianhao; LI Xiaoqian; XU Shukai; RAO Hong

English Version Reader LoginJournal Login

您当前的位置：

首页 >

文章列表页 >

Optimization Control Strategy of Capacitor Voltage for Modular Multilevel Converter Based on Mathematical Analysis of Circulating Current

更新时间：2025-12-08

- Optimization Control Strategy of Capacitor Voltage for Modular Multilevel Converter Based on Mathematical Analysis of Circulating Current
- Vol. 45, Issue 3, Pages: 882-889(2019)
- 作者机构：
  
  1. 电力系统及发电设备控制和仿真国家重点实验室(清华大学电机工程与应用电子技术系)
  2. 南方电网科学研究院有限责任公司直流输电技术国家重点实验室
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published Online：14 March 2019，
  
  Published：2019
- 稿件说明：
移动端阅览
MENG Jingwei, SONG Qiang, SUN Qianhao, et al. Optimization Control Strategy of Capacitor Voltage for Modular Multilevel Converter Based on Mathematical Analysis of Circulating Current[J]. 2019, 45(3): 882-889.
DOI：

MENG Jingwei, SONG Qiang, SUN Qianhao, et al. Optimization Control Strategy of Capacitor Voltage for Modular Multilevel Converter Based on Mathematical Analysis of Circulating Current[J]. 2019, 45(3): 882-889. DOI：

摘要

为限制MMC子模块电容电压波动

一般所需电容较大。首先分析二倍频环流与电容电压波动间的解析关系

提出了全工况范围内的子模块电容电压波动峰值与二倍频环流之间关系的数学模型。然后利用该模型

提出以电容电压波动为目标值的二倍频环流注入方式

将电容电压波动峰值控制在设定参考值。该方法不仅能在在全工况下实现控制目标

而且通过减小峰值电流增加安全裕度。最后

通过仿真及试验结果验证了所提模型的正确性与优化控制策略的有效性。

Abstract

Bulk capacitor is used to limit capacitor voltage ripple in modular multilevel converter（MMC）. First

we propose a mathematical model which depicts the relationship between the peak value of capacitor voltage ripple and the 2 nd–order circulating current in various conditions by studying the analytic relationship between them. Then

the peak value of capacitor voltage ripple is controlled to the reference by injecting 2 nd –order circulating current with the aim of acceptable capacitor voltage ripple. The method can not only achieve the control destination

but also reduce arm current to improve margin of safety. Finally

the simulation and experimental results verity the validity of the proposed method.

关键词

Keywords

references

Views

下载量

CSCD

Alert me when the article has been cited

提交

Tools

Publicity Resources

Effects of Different Multi-loop Laying Ways on Circulating Current of Power Cable

Circulating Current Analysis and Suppressing Controller Designing of the MMC Based on Railway Static Power Conditioner

Stress Analysis of Power Semiconductor Devices in Modular Multilevel Converter by Controlling Circulating Current

Operation Characteristics and the Fault-tolerant Control Strategy of Modular Multilevel Converter Under Sub-module Faults

Related Author

CAI Ye

TANG Yiqin

ZHANG Chi

SUN Yunlian

ZOU Hongliang

LI Yunfeng

LIN Jiatong

SONG Pinggang

Related Institution

School of Electrical Engineering, Wuhan University

Taizhou Power Supply Company, State Grid Zhejiang Electric Power Company

College of Electrical and Electronic Engineering, East China Jiaotong University

Xiamen Rail Transit Group Limited Corporation

Global Energy Interconnection Research Institute

AI问答

⁰