Graphical Presentation on Operational Principle of Pretective Relay According to Winding Type and Vector Group in Transformer (전력용 변압기에서 권선방식과 벡터그룹에 따른 보호계전기 동작원리의 그래픽 표현)
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- The Transactions of the Korean Institute of Electrical Engineers A
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- v.48 no.3
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- pp.226-233
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- 1999