Referenced Items are not available for this document.
POWER TRANSFORMERS usually are protected against damage due to internal faults by percentage differential relays, which compare currents on opposite sides of the transformer. However, when a transformer is energized, there is often an inrush of magnetizing current, which flows in only one winding of the transformer, producing a differential current which tends to operate conventional percentage differential relays. Special means, therefore, are necessary to prevent transformer relays from operating falsely on magnetizing inrush currents.
Published in:
Electrical Engineering
(Volume:73
,
Issue:
7
)
Date of Publication: July 1954
- Page(s):
- 648
- ISSN :
- 0095-9197
- Digital Object Identifier :
- 10.1109/EE.1954.6438882
- Product Type:
- Journals & Magazines
- Date of Current Version :
- 12 February 2013
- Issue Date :
- July 1954
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