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Microprocessor-based negative-sequence relay

โœ Scribed by S.I. Ahson; J. Henry; D.S. Rundhay


Publisher
Elsevier Science
Year
1986
Tongue
English
Weight
486 KB
Volume
8
Category
Article
ISSN
0142-0615

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โœ H.K. Verma; A.M. Basha ๐Ÿ“‚ Article ๐Ÿ“… 1987 ๐Ÿ› Elsevier Science โš– 553 KB

This paper describes a microprocessor-based overlluxing relay meant to protect a generator transformer under over-excitation conditions. The relay continuously monitors the system voltage and frequency and takes alarm and trip decisions on the basis of transformer iron losses computed by the micropr