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

  • 제65권2호
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  • Pages.122-129
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  • 2016
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  • 1229-800X(pISSN)
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  • 2586-7792(eISSN)
대한전기학회 (The Korean Institute of Electrical Engineers)
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PSCAD를 이용한 전력용 변압기 모델링과 과도 해석

Power Transformer Modeling and Transient Analysis using PSCAD

  • Park, Chul-Won (Dept. of Electrical Engineering, Gangneung-Wonju National University)
  • 투고 : 2016.05.13
  • 심사 : 2016.05.27
  • 발행 : 2016.06.01
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초록

Current differential protection relaying with second harmonic restraint is the main protection for large capacity power transformer. PSCAD simulation program is widely used for modeling of dynamic varying transients phenomena. This paper deals with a power transformer model and transients analysis using PSCAD software to develop IED for power transformer. Simulation was carried out using a three phase 40MVA, 154/22.9kV, 60Hz, two-winding transformer with Y-Y connection used in actual fields. The paper analyzed transformer magnetizing inrush, external fault, and internal fault conditions with this model in the time domain. In addition, we performed an analysis in the frequency domain using FFT during several conditions.

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참고문헌

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