Mobile QR Code QR CODE : The Transactions P of the Korean Institute of Electrical Engineers
The Transactions P of the Korean Institute of Electrical Engineers

Korean Journal of Air-Conditioning and Refrigeration Engineering

ISO Journal TitleTrans. P of KIEE
  • Indexed by
    Korea Citation Index(KCI)
Title Power Transformer Modeling and Transient Analysis using PSCAD
Authors 박철원(Park, Chul-Won)
DOI https://doi.org/10.5370/KIEEP.2016.65.2.122
Page pp.122-129
ISSN 1229-800X
Keywords Current differential protection ; FFT ; Internal fault ; Magnetizing inrush ; PSCAD ; Transients phenomena
Abstract 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.