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Adaptability Analysis of Directional Element for Inverter Interfaced System Considering Fault Control Strategy

  • Junjie Hou
  • , Wentao Yang
  • , Yan Li
  • , Yanfang Fan
  • , Guobing Song
  • , Runbin Cao
  • , Dongxiao Cai
  • , Teng Liu
  • Xinjiang University
  • State Key Laboratory of HVDC

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

Due to the fragility of power electronic devices and controllability of grid-connected inverters, photovoltaic power plants change the fault current characteristics of transmission lines, resulting in adaptability problems for various directional relays based on traditional synchronous power supply fault characteristics. In this paper, the phase Angle variation of the side sequence impedance of a photovoltaic power station is deduced by considering the control objective of negative sequence suppression. Its influence on the directional element based on the sequence component is analyzed. Set up a photovoltaic power station in the PSCAD/EMTDC simulation platform, test and verify sequence impedance Angle changes on the traditional direction element adaptive problems.

Original languageEnglish
Title of host publication2023 International Conference on Advanced Power System Automation and Protection, APAP 2023
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages136-141
Number of pages6
ISBN (Electronic)9798350306668
DOIs
StatePublished - 2023
Externally publishedYes
Event2023 IEEE International Conference on Advanced Power System Automation and Protection, APAP 2023 - Xuchang, China
Duration: 8 Oct 202312 Oct 2023

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
Period8/10/2312/10/23

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 7 - Affordable and Clean Energy
    SDG 7 Affordable and Clean Energy

Keywords

  • PV power plant
  • adaptability analysis
  • directional relay
  • fault current characteristics

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