Fault current limiting by phase shifting angle control of TCPST

Jun Liu, Wanliang Fang*, Chao Duan, Zhanhong Wei, Zenghui Yang, Yong Cui

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contribution

3 Scopus citations

Abstract

Limiting the short-circuit fault current value has become more and more important for high voltage circuit breakers in modern large scale power systems. Conventional fault current limiters, such as Superconducting Fault Current Limiters (SFCLs) will cause large amount of additional investments. Fast thyristor controlled FACTS devices have opened a new way of limiting the fault current, while maintaining their normal functions of power flow regulation or stability control. The chief objective of this paper is to utilize Thyristor Controlled Phase Shifting Transformer (TCPST) as a new type of fault current suppression equipment under proper phase shifting angle (PSA) control. The relationship between the equivalent impedance of TCPST and multiple PSA switching modes is investigated through theoretical analysis firstly. And simulation results on IEEE 14-bus power system have demonstrated the excellent current limiting capability through the PSA control induced impedances with various fault location.

Original languageEnglish (US)
Title of host publication2015 IEEE Power and Energy Society General Meeting, PESGM 2015
PublisherIEEE Computer Society
ISBN (Electronic)9781467380409
DOIs
StatePublished - Sep 30 2015
EventIEEE Power and Energy Society General Meeting, PESGM 2015 - Denver, United States
Duration: Jul 26 2015Jul 30 2015

Publication series

NameIEEE Power and Energy Society General Meeting
Volume2015-September
ISSN (Print)1944-9925
ISSN (Electronic)1944-9933

Conference

ConferenceIEEE Power and Energy Society General Meeting, PESGM 2015
Country/TerritoryUnited States
CityDenver
Period7/26/157/30/15

Keywords

  • Phase shifting angle control
  • short-circuit current suppression
  • thyristor-controlled phase shifting transformer

ASJC Scopus subject areas

  • Energy Engineering and Power Technology
  • Nuclear Energy and Engineering
  • Renewable Energy, Sustainability and the Environment
  • Electrical and Electronic Engineering

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