A Study on the System Strength Evaluation Index Considering the Interaction between Renewable Energy

Beomju Kim, Seunghyuk Im, Byongjun Lee

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

Abstract

In order to reduce greenhouse gas emissions, the connection of renewable energy to power system is increasing. Renewable energy such as wind power and photovoltaic are inverter-based resources (IBRs) that provide limited short-circuit current unlike synchronous generators, and the limited short-circuit current adversely affects voltage after disturbance. Describes Short Circuit Ratio(SCR), a system strength evaluation index used in power systems when connecting inverter-based resources, and Weighted Short Circuit Ratio(WSCR) and Composite Short Circuit Ratio(CSCR), system strength evaluation indexes considering the interaction between inverter-based resources caused by Phased-Locked Loop(PLL) control characteristics is analyzed.

Original languageEnglish
Title of host publication2023 International Conference on Advanced Power System Automation and Protection, APAP 2023
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages86-88
Number of pages3
ISBN (Electronic)9798350306668
DOIs
Publication statusPublished - 2023
Event2023 IEEE International Conference on Advanced Power System Automation and Protection, APAP 2023 - Xuchang, China
Duration: 2023 Oct 82023 Oct 12

Publication series

Name2023 International Conference on Advanced Power System Automation and Protection, APAP 2023

Conference

Conference2023 IEEE International Conference on Advanced Power System Automation and Protection, APAP 2023
Country/TerritoryChina
CityXuchang
Period23/10/823/10/12

Bibliographical note

Publisher Copyright:
© 2023 IEEE.

Keywords

  • Grid-following inverter
  • Grid-forming inverter
  • interaction between IBGs
  • System Strength
  • System Strength index

ASJC Scopus subject areas

  • Computer Networks and Communications
  • Energy Engineering and Power Technology
  • Electrical and Electronic Engineering
  • Safety, Risk, Reliability and Quality
  • Control and Optimization

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