대한전기학회:학술대회논문집 (Proceedings of the KIEE Conference)

대한전기학회 (The Korean Institute of Electrical Engineers)
권호 표지

단락 전류 왜형방지를 위한 변압기 잔류자속제어

Controlling the Residual Flux in Transformer to Prevent the Distortion of Short-circuit Current

  • 오승렬 (LS산전(주) 전력시험기술센터) ;
  • 박지훈 (LS산전(주) 전력시험기술센터) ;
  • 박종화 (LS산전(주) 전력시험기술센터)
  • 발행 : 2006.11.03
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초록

The residual flux(${\psi}_r$) in transformer's iron cores cause the distortion of short-circuit current occasionally. And some considerable distortion effect on the validation of test results. To prevent this situation, there needs some suitable control of residual flux through the pretest. This paper deals with the how to control the residual flux in pretest and the comparison between the two test results which were obtained by different test method.

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