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Analysis of the Effect of the Grid-connected Photovoltaic System in Fault Case of Power System

전력계통 고장시 계통연계형 태양광발전시스템의 영향분석

  • 박성훈 (순천대학교 전기전자정보통신공학부) ;
  • 이용식 (주식회사 에스알이엔지) ;
  • 정성원 (에스디엔 주식회사, 에너지시스템사업부) ;
  • 김재현 (순천대학교 전기공학전공)
  • Received : 2019.07.05
  • Accepted : 2019.08.20
  • Published : 2019.08.30

Abstract

Among the main functions of the grid-connected photovoltaic (PV) system, the anti-islanding operation function is a very important problem. Recently, due to the improvement in power generation efficiency and the maintenance advantages in PV system, the use of string inverter has increased so that the possibility of islanding operation has been raised. Generally, when a power system faults, the PV inverter must be disconnected from power system within 10 cycles by the anti-islanding operation function. However, in the real-time of power system, the output power of the PV system within 10cycles is effected. In this paper, we analyzed the effect of grid-connected PV system on power quality in a short time within 10 cycles on fault case of power system using the Matlab Simulink program.

Keywords

References

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