The Transactions of the Korean Institute of Electrical Engineers P (전기학회논문지P)

The Korean Institute of Electrical Engineers (대한전기학회)
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Development of Dynamic Frequency Monitoring Software for Wide-Area Protection Relaying Intelligence

광역 보호계전 지능화를 위한 동적 주파수 모니터링 S/W 개발

  • 김윤상 (한국기술교육대학교 컴퓨터공학부) ;
  • 박철원 (강릉원주대학교 전기공학과)
  • Received : 2012.10.05
  • Accepted : 2012.11.12
  • Published : 2012.12.01
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Abstract

The social and economic level of damages might be highly increased in the case of wide-area black-outages, because of heavy dependence of electricity. Therefore, the development of a wide-area protection relay intelligence techniques is required to prevent massive power outages and minimize the impact strength at failure. The frequency monitoring and prediction for wide-area protection relaying intelligence has been considered as an important technology. In this paper, a network-based frequency monitoring system developed for wide-area protection relay intelligence is presented. In addition, conventional techniques for frequency estimation are compared, and a method for advanced frequency estimation and measurement to improve the precision is proposed. Finally, an integrated monitoring system called K-FNET(Korea-Frequency Monitoring Network) is implemented based on the GPS and various energy monitoring cases are studied.

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References

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