基于模块化多电平换流器的牵引供电系统电能质量治理方法

JING Long

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基于模块化多电平换流器的牵引供电系统电能质量治理方法

更新时间：2025-08-13

- 基于模块化多电平换流器的牵引供电系统电能质量治理方法
- Automation of Electric Power Systems Vol. 39, Issue 11, Pages: 173-179(2015)
- 作者机构：
  
  北京交通大学国家能源主动配电网技术研发中心,北京市,100044
- 作者简介：
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- Published：2015
- 稿件说明：
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JING Long. [J]. Automation of electric power systems, 2015, 39(11): 173-179.
DOI：

JING Long. [J]. Automation of electric power systems, 2015, 39(11): 173-179. DOI：

摘要

针对铁路牵引供电系统高压大功率的特点

基于模块化多电平换流器（MMC）设计了两相三桥臂功率调节装置

以消除铁路牵引供电系统中负序、无功功率及谐波电流。分析了机车负载电流在旋转坐标系下的特点

使用了一种基于二阶广义积分器及直流积分器的信号提取方法

可以快速地得到功率平衡及无功功率、谐波消除的补偿信号。设计了静止坐标系下基于MMC的两相三桥臂铁路静止功率调节装置的控制系统

最终

通过实时数字仿真系统（RT-Lab）进行实时仿真及样机实验

验证了算法的有效性及系统的补偿性能。

Abstract

For the high voltage and power of traction power supply system of railway

a two-phase three-leg power conditioning unit is designed based on the modular multilevel converter (MMC) to eliminate the harmonic

reactive power

as well as the negative sequence current. The load current characteristic in the synchronous reference frame

and the compensation signal is calculated through second-order generalized integrator (SOGI) and DC integrator. A control system of MMC railway static power conditioner is designed in the stationary frame. Finally

the effectiveness of the algorithm and the compensation performance of the system are testified by real-time simulation and prototype test on the real-time digital simulation system. This work is supported by International Science & Technology Cooperation Program of China (No. 2013DFA60930) and Fundamental Research Funds for the Central Universities (No. 2010JBZ002).

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