Analysis of Sub-module Capacitor Voltage of Full Bridge MMC-based Deicing Technology

XU Kui; MA Xiaohong; HU Pengfei; ZENG Huarong; LIANG Yiqiao; BI Renming

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Analysis of Sub-module Capacitor Voltage of Full Bridge MMC-based Deicing Technology

更新时间：2025-12-08

- Analysis of Sub-module Capacitor Voltage of Full Bridge MMC-based Deicing Technology
- Vol. 47, Issue 2, Pages: 596-602(2021)
- 作者机构：
  
  1. 贵州电网电力科学研究院
  2. 浙江大学电气工程学院
  3. 浙江桂容谐平科技有限责任公司
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published Online：28 February 2021，
  
  Published：2021
- 稿件说明：
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XU Kui, MA Xiaohong, HU Pengfei, et al. Analysis of Sub-module Capacitor Voltage of Full Bridge MMC-based Deicing Technology[J]. 2021, 47(2): 596-602.
DOI：

XU Kui, MA Xiaohong, HU Pengfei, et al. Analysis of Sub-module Capacitor Voltage of Full Bridge MMC-based Deicing Technology[J]. 2021, 47(2): 596-602. DOI：

摘要

对一种基于全桥型MMC的直流融冰装置的功率模块直流侧电压进行了分析研究

推导出了功率模块直流侧电压波动和直流融冰电流、电压调制比、模块直流电容值之间的关系公式。并在此基础上推导出了该电压波动的最大值。为全桥MMC型融冰装置的设计、计算提供了理论依据。在PSCAD环境下建立了全桥MMC型直流融冰装置的仿真模型

对所推导的公式进行仿真验证

并且在一台工业样机上进行了试验

仿真和试验的结果验证了所推导公式的正确性。

Abstract

The sub-module capacitor voltage of a DC deicing divice based on the full bridge MMC was analyzed and investigated in this paper. Moreover

a relation equation is derived to describe the relationship between the voltage fluctuation of sub-module DC side and the DC deicing circuit

voltage modulation raio

the dc current

and the capacitance. Based on this equation

the solution of the maximum voltage fluctuation of the sub-module capacitor is derived which serves as an effective tool for the design calculation of an MMC deicer. The correctness and accuracy of the derived equations are validated through PSCAD simulation and experiments.

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Related Institution

State Key Laboratory of Electrical Insulation and Power Equipment(Xi'an Jiaotong University)

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