基于主从控制的变流器并联系统输出电流一致性分析

HE Chao

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基于主从控制的变流器并联系统输出电流一致性分析

更新时间：2025-08-13

- 基于主从控制的变流器并联系统输出电流一致性分析
- Automation of Electric Power Systems Vol. 38, Issue 11, Pages: 116-122(2014)
- 作者机构：
  
  浙江大学电气工程学院,浙江省,杭州市,310027
- 作者简介：
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- Published：2014
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HE Chao. [J]. Automation of electric power systems, 2014, 38(11): 116-122.
DOI：

HE Chao. [J]. Automation of electric power systems, 2014, 38(11): 116-122. DOI：

摘要

变流器并联是进行变流器扩容的主要方式之一，文中研究了影响三相并网变流器并联应用中各模块输出电流一致性的各种因素。在建立了多变流器并联系统模型的基础上，通过理论分析与数学推导，给出了电流一致性与各模块参数之间的关系表达式。通过仿真以及对包含两套容量为260kVA的有源电力滤波器并联系统进行实验，验证了理论分析的正确性。

Abstract

Converter paralleling is one of the main approaches to expanding the capacity of converters.This paper analyzes the factors affecting the consistency of module output current in parallel three-phase connected converters.Based on the modeling of the multi-converter paralleled system，expressions of the relationship between current consistency and relative module parameters are obtained through theoretical analysis and mathematical derivation.Simulations and experimental results on an active power filter paralleled by two260kVA converters have verified the correctness of the theoretical analysis.

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