Conversion of Retired Coal-fired Plant to Synchronous Condenser to Support Weak AC Grid

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

Abstract

A proposal of using phased-out coal-fired generation as synchronous condensers in a power system with weak interconnection to large Type-3 wind farms exporting energy to remote load centers through Line Commutated Converter (LCC) High Voltage Direct Current (HVDC) transmission is investigated. The frequency nadir (i.e, the minimum post-contingency frequency) and the rate of change of frequency in such systems following disturbances like loss of generation due to a single point failure are analyzed. LCC-HVDC rectifier is used for secondary frequency control in the weak AC system. Time-domain and frequency-domain analyses are performed on a 4-machine 2-area system connected to two remote wind farms on the rectifier side of the LCC-HVDC, which compare different scenarios and develop deeper insights into the root-cause of the frequency dynamics.

Original languageEnglish (US)
Title of host publication2018 IEEE Power and Energy Society General Meeting, PESGM 2018
PublisherIEEE Computer Society
ISBN (Electronic)9781538677032
DOIs
StatePublished - Dec 21 2018
Event2018 IEEE Power and Energy Society General Meeting, PESGM 2018 - Portland, United States
Duration: Aug 5 2018Aug 10 2018

Publication series

NameIEEE Power and Energy Society General Meeting
Volume2018-August
ISSN (Print)1944-9925
ISSN (Electronic)1944-9933

Other

Other2018 IEEE Power and Energy Society General Meeting, PESGM 2018
Country/TerritoryUnited States
CityPortland
Period8/5/188/10/18

All Science Journal Classification (ASJC) codes

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

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