Research on Topology and Control Strategy of Power Electronic Transformer Based on MMC Structure

SUN Guangxing; GOU Ruifeng; SUN Wei

doi:10.13296/j.1001-1609.hva.2016.01.024

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Research on Topology and Control Strategy of Power Electronic Transformer Based on MMC Structure

更新时间：2025-04-26

- Research on Topology and Control Strategy of Power Electronic Transformer Based on MMC Structure
- High VoltageApparatus Vol. 52, Issue 1, Pages: 142-147+153(2016)
- 作者机构：
  
  西安西电电力系统有限公司
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2016.01.024
  CLC： TM41
- Published：2016
- 稿件说明：
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[1]孙广星,苟锐锋,孙伟.基于MMC结构的电力电子变压器拓扑结构及控制策略研究[J].高压电器,2016,52(01):142-147+153.

SUN Guangxing, GOU Ruifeng, SUN Wei. Research on Topology and Control Strategy of Power Electronic Transformer Based on MMC Structure[J]. High voltageapparatus, 2016, 52(1): 142-147+153.
[1]孙广星,苟锐锋,孙伟.基于MMC结构的电力电子变压器拓扑结构及控制策略研究[J].高压电器,2016,52(01):142-147+153. DOI： 10.13296/j.1001-1609.hva.2016.01.024.

SUN Guangxing, GOU Ruifeng, SUN Wei. Research on Topology and Control Strategy of Power Electronic Transformer Based on MMC Structure[J]. High voltageapparatus, 2016, 52(1): 142-147+153. DOI： 10.13296/j.1001-1609.hva.2016.01.024.

摘要

电力电子变压器是一种多功能的智能变压器

其特点是体积小重量轻

且具备改善电能质量等功能

是智能电网的重要设备之一。首先介绍了电力电子变压器的基本概念和发展趋势;之后分析了电力电子变压器的几种典型拓扑结构并简要介绍了对应的控制策略。选定了一种三相四线制电力电子变压器的拓扑结构

分析了其基本原理和控制策略

并在PSIM软件中建立了其仿真模型。对电力电子变压器变压和电能质量调节这两个主要功能进行了仿真和物理试验验证

结果证明了所用拓扑结构和控制策略的正确性和有效性。

Abstract

Power electronic transformer（PET） is a kind of multi-functional intelligent transformer

which is characterized by small volume and light weight

and has the function of improving power quality. PET is one of the important devices in smart grid. Firstly

the basic concepts and development trend of the PET are introduced. Then several typical topologies of the PET are analyzed

the corresponding control strategies are briefly introduced. A kind of three-phase four-wire PET topology is selected

and which the basic principle and control and modulation strategy are analyzed. Then the PET simulation model is established by the PSIM software. In order to check the PET two main functions which are the voltage change and power quality regulation this paper makes the simulation and physical experiment. The results show that the effectiveness and validity of the topology and control strategy of the PET.

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Related Institution

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School of Electrical and Automation Engineering, Hefei University of Technology

武汉大学电气工程学院湖北武汉430072

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