Multi-Function Uninterrupted Phase-Separation Passing System and its Control Method

Zhou Ni; Jiaxin Yuan; Feiran Xiao; Liwen Peng; Zhaoyang Zhang; Yongzhi Min

doi:10.17775/CSEEJPES.2020.01320

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Multi-Function Uninterrupted Phase-Separation Passing System and its Control Method

Regular Papers | 更新时间：2026-10-15

- Multi-Function Uninterrupted Phase-Separation Passing System and its Control Method
- CSEE Journal of Power and Energy Systems Vol. 9, Issue 6, Pages: 2332-2343(2023)
- 作者机构：
  
  1. School of Electrical Engineering and Automation, Wuhan University,Wuhan,China
  2. School of Electrical Engineering, Naval University of Engineering,Wuhan,China
  3. State Grid Jinan Power Supply Company,Jinan,China
  4. Department of Electrical and Electronic Engineering, Lanzhou Jiaotong University,Lanzhou,China
- 作者简介：
- 基金信息：
- DOI：10.17775/CSEEJPES.2020.01320
  CLC：
- Published：01 November 2023
- 稿件说明：
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Zhou Ni, Jiaxin Yuan, Feiran Xiao, et al. Multi-Function Uninterrupted Phase-Separation Passing System and its Control Method[J]. CSEE Journal of Power and Energy Systems, 2023, 9(6): 2332-2343.
DOI：

Zhou Ni, Jiaxin Yuan, Feiran Xiao, et al. Multi-Function Uninterrupted Phase-Separation Passing System and its Control Method[J]. CSEE Journal of Power and Energy Systems, 2023, 9(6): 2332-2343. DOI： 10.17775/CSEEJPES.2020.01320.

摘要

Abstract

At present

sudden load changes and terminal voltage fluctuations are two primary problems in the uninterrupted phase-separation passing (UPP) system. To further enhance the reliability of the UPP system and compensate for the voltage sag at the end of the traction power supply network caused by the suddenly connection of locomotive to the power grid

a multi-function uninterrupted phase-separation passing system (MUPPS) and its control strategy are proposed. It has the advantages of linear load change and improving power supply reliability. First

the topology and working principles of a MUPPS are studied; secondly

the current variation characteristics of the bridge arm when the power is continuously supplied by MUPPS during the phase-separation passing are analyzed. Then

the characteristics of a MUPPS to provide reactive power and stabilize the terminal voltage of the traction arm are analyzed. Then

the power transmission characteristics of a MUPPS under emergency working conditions are analyzed. The control strategy for the two conditions is proposed. Finally

simulation analysis and small capacity experiments are conducted. The theoretical analysis and test confirm the correctness and effectiveness of the MUPPS.

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