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Protective Relaying Algorithm for 3-Phase Power Transformer Protection based on Fuzzy Decision Making  

Kim, Sang-Tae (Next-Generation Power Technology Center, Myongji University)
Lee, Seung-Jae (Next-Generation Power Technology Center, Myongji University)
Kang, Sang-Hee (Next-Generation Power Technology Center, Myongji University)
Park, Myeon-Song (Next-Generation Power Technology Center, Myongji University)
Yoon, Sang-Hyun (Procom System)
Lee, Tae-Sung (Procom System)
Publication Information
KIEE International Transactions on Power Engineering / v.12A, no.1, 2002 , pp. 26-30 More about this Journal
Abstract
The four fuzzy criteria to distinguish the internal fault from the inrush fur the power transformer protection have been identified. They are based on the wave shape, terminal voltage, fundamental and second harmonic component of differential current. systematic way to determine the associated fuzzy membership function is also proposed.
Keywords
protective relay; power transformer protection; differential relay; fuzzy technique;
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  • Reference
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