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Vol 196
Pages:
240
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RUS

Identification of turn to turn faults in power transformers by means of the amplitude-phase analysis of negative sequence currents

Authors:
D. I. Ivanchenko1
O. B. Shonin2
About authors
  • 1 — Saint Petersburg State Mining University
  • 2 — Saint Petersburg State Mining University
Date submitted:
2011-08-23
Date accepted:
2011-10-19
Date published:
2012-05-22

Abstract

The paper is dedicated to analyzing identification of turn to turn faults by digital differential protection relay of power transformers. Reliable algorithms of finding turn to turn faults from external faults and transformer inrush are described.

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References

  1. Пат. № 2410812 РФ, МПК Н02Н3/16. Устройство быстродействующей селективной защиты от однофазных замыканий на землю в распределительных сетях с возможностью безаварийного ввода резерва / О.Б.Шонин, П.А.Рогов. Опубл.27.01.2011
  2. Хренников А. Силовые трансформаторы. Проблемы электродинамической стойкости // Новости электротехники. 2008. № 6 (54).
  3. Циглер Г. Цифровые устройства дифференциальной защиты. Принципы и область применения. М., 2005.
  4. Шнеерсон Э.М. Цифровая релейная защита. М., 2007.

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