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Modeling and simulation of the power transformer faults and related protective relay behavior

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2 Author(s)
Kezunovic, M. ; Dept. of Electr. Eng., Texas A&M Univ., College Station, TX, USA ; Yong Guo

The modeling of power transformer faults and its application to performance evaluation of a commercial digital power transformer relay are the objectives of this study. A new method to build an EMTP/ATP power transformer model is proposed in this paper. Detailed modeling of the transformer relay is also discussed. The transient waveforms generated by ATP under different operating conditions are utilized to evaluate the performance of the transformer relay. The computer simulation results presented in this paper are consistent with the laboratory test results obtained using an analog power system model

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Power Delivery, IEEE Transactions on  (Volume:15 ,  Issue: 1 )