The Transactions of The Korean Institute of Electrical Engineers (전기학회논문지)

The Korean Institute of Electrical Engineers (대한전기학회)
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A Study on the Optimal Setting Method of Directional Overcurrent Relay Considering Fault Ride Through of Distributed Generation

분산전원의 Fault Ride Through를 고려한 방향성 과전류 계전기 최적 정정법에 관한 연구

  • Song, Jin-Sol (Dept. of Electrical and Computer Engineering, Sungkyunkwan University) ;
  • Cho, Gyu-Jung (Dept. of Electrical and Computer Engineering, Sungkyunkwan University) ;
  • Kim, Ji-Soo (Dept. of Electrical and Computer Engineering, Sungkyunkwan University) ;
  • Shin, Jea-Yun (Dept. of Electrical and Computer Engineering, Sungkyunkwan University) ;
  • Kim, Dong-Hyun (Dept. of Electrical and Computer Engineering, Sungkyunkwan University) ;
  • Kim, Chul-Hwan (Dept. of Electrical and Computer Engineering, Sungkyunkwan University)
  • Received : 2018.06.14
  • Accepted : 2018.07.17
  • Published : 2018.08.01
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Abstract

Fault Ride Through(FRT) requirement prevents disconnections of distributed generations during the specific time on disturbance condition for system stability. However, since there is a limitation to the FRT capability of distributed generation, and the protection system needs to clear the fault quickly before the distributed generation is disconnected. Therefore, this paper proposes a novel optimal setting method of directional overcurrent relay considering FRT of distributed generation. The proposed method reduces the probability of disconnections of the distributed generation in disturbance without additional equipment considering the FRT capability of the distributed generation by calculating the optimal relay setting through the Genetic Algorithm(GA).

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References

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