A solid-state relay for transformer switching

A solid-state relay for transformer switching

A static relay, which can distinguish the magnetizing inrush current from the short-circuit current of a transformer is suggested. This eliminates the use of the desensitizing arrangement or the costly harmonic-current-restraint relay but preserves the inherent features of an over-current relay and...

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Veröffentlicht in:International journal of electronics 1986-10, Vol.61 (4), p.539-542
Hauptverfasser: JAMIL-ASGHAR, M. S., MOHIBULLAH, M., SALMAN BEG, M.
Format: Artikel
Sprache:eng
Schlagworte:
Applied sciences
Connection and protection apparatus
Electrical engineering. Electrical power engineering
Exact sciences and technology
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Beschreibung
Zusammenfassung:A static relay, which can distinguish the magnetizing inrush current from the short-circuit current of a transformer is suggested. This eliminates the use of the desensitizing arrangement or the costly harmonic-current-restraint relay but preserves the inherent features of an over-current relay and the advantages of a static relay. The circuit is equally good for 1-phase as well as 3-phase applications.
ISSN:0020-7217
1362-3060
DOI:10.1080/00207218608920896