Research on Distributed Reactive Power Compensation Technology and Application of Bidirectional Converter in Rail Transit Power Supply System

DAI Lijun; YANG Lixin; ZHANG Xihai; CHENG Minghua

doi:10.14044/j.1674-1757.pcrpc.2024.04.006

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Research on Distributed Reactive Power Compensation Technology and Application of Bidirectional Converter in Rail Transit Power Supply System

Reactive Power Compensation and Filter | 更新时间：2024-09-15

- Research on Distributed Reactive Power Compensation Technology and Application of Bidirectional Converter in Rail Transit Power Supply System
- Power Capacitor & Reactive Power Compensation Vol. 45, Issue 4, Pages: 39-45(2024)
- 作者机构：
  
  1.南京铁道职业技术学院，南京　 210031
  2.中国铁路设计集团有限公司，天津　 300251
  3.中国铁路上海局集团有限公司徐州供电段，江苏　徐州　 221003
- 作者简介：
- 基金信息：
- DOI：10.14044/j.1674-1757.pcrpc.2024.04.006
  CLC：
- Published：2024-08，
  
  Received：22 May 2023，
- 稿件说明：
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DAI LIJUN, YANG LIXIN, ZHANG XIHAI, et al. Research on Distributed Reactive Power Compensation Technology and Application of Bidirectional Converter in Rail Transit Power Supply System. [J]. Power capacitor & reactive power compensation, 2024, 45(4): 39-45.
DOI：

DAI LIJUN, YANG LIXIN, ZHANG XIHAI, et al. Research on Distributed Reactive Power Compensation Technology and Application of Bidirectional Converter in Rail Transit Power Supply System. [J]. Power capacitor & reactive power compensation, 2024, 45(4): 39-45. DOI： 10.14044/j.1674-1757.pcrpc.2024.04.006.

摘要

在城市轨道交通建设中，一般采用在新建主变电所内设置无功补偿装置等方式进行无功补偿，受安装场地、环控通风及供电线路无功特点等影响，补偿装置前期安装容量不宜过大。本文结合大功率可控双向变流装置的系统特征和应用情况，对双向变流装置分散补偿无功的原理及控制策略进行了论述及研究。依据实际工程案例对轨道交通供电系统无功情况进行分析，同时对采用双向变流装置分散补偿无功的可行性以及其系统接入、容量选择等方面进行分析，现场测试数据表明双向变流装置能够分散补偿地铁供电系统中压网络产生的容性无功，可供同类线路设计参考。

Abstract

In the construction of urban rail transit

such modes as setting reactive power compensation devices in the new main substation is generally adopted for reactive power compensation. The installation capacity of the compensation device at early stage shall not be too large due to such influence as installation site

environmental control ventilation and reactive power characteristics of power supply lines. In this paper

the principle and control strategy of decentralized reactive power compensation in bidirectional converter based on the system characteristics and application of high power controllable bidirectional converter are described and studied in combination with the system characteristics and application of high power bidirectional converter. The reactive power situation of rail transit power supply system is analyzed in combination with practical engineering cases and

at the same time

such aspects as feasibility and its system access as well as capacity selection of using bidirectional converter to disperse reactive power compensation are analyzed. The field test data shows that the bidirectional converter can compensate capacitive reactive power generated in the medium voltage network of subway power supply system and can be used as reference for the design of similar line.

关键词

无功补偿双向变流装置分散补偿容性无功

Keywords

reactive power compensationbidirectional converter devicedecentralized compensationcapacitive reactive power

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