Referenced Items are not available for this document.
In this letter a new power-based digital algorithm is introduced to provide protection for the generators against unbalanced faults. The algorithm measures the generator's three-phase power output and monitors the sinusoidal component of the instantaneous power. When the magnitude of the sinusoidal component exceeds a predefined value, the algorithm checks the direction of the negative sequence-reactive power flow to discriminate between internal and external faults. The proposed algorithm initiates fast tripping for internal asymmetrical faults, and provides back up protection for external unbalanced conditions
Published in:
Power Engineering Review, IEEE
(Volume:20
,
Issue:
2
)
Date of Publication: Feb 2000
- Page(s):
- 49 - 52
- ISSN :
- 0272-1724
- INSPEC Accession Number:
- 6499418
- Digital Object Identifier :
- 10.1109/39.819918
- Product Type:
- Journals & Magazines
- Date of Current Version :
- 06 August 2002
- Issue Date :
- Feb 2000
- Sponsored by :
- IEEE Power & Energy Society
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