Referenced Items are not available for this document.
The authors present the design, implementation and testing of a microprocessor-based high-speed relay that correctly detects transformer winding faults. Instead of relying on the presence of harmonics to identify magnetizing inrush, it uses a nonlinear model of the transformer to determine the state of its health. One version of the relay is suitable for protecting single-phase transformers, whereas another version is for protecting three-phase transformers. A three-phase delta-wye 15 kVA transformer was used to test the relay for a variety of operating conditions. The results show that the relay performs well
Published in:
Power Delivery, IEEE Transactions on
(Volume:7
,
Issue:
1
)
Date of Publication: Jan 1992
- Page(s):
- 108 - 117
- ISSN :
- 0885-8977
- INSPEC Accession Number:
- 4124602
- Digital Object Identifier :
- 10.1109/61.108896
- Date of Current Version :
- 06 August 2002
- Issue Date :
- Jan 1992
- Sponsored by :
- IEEE Power & Energy Society
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