DIFFERENTIAL PROTECTION SCHEME

DIFFERENTIAL PROTECTION SCHEME

A system and method (300) for differential protection is provided. Aspects includes determining a first current value associated with a first current transformer (CTA) coupled to a first location in a differential protection zone, the first current transformer having a first transformer ratio, deter...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: SEAGREN, Robert L, VANEVENHOVEN, Jordan K
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
ELECTRICITY
EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
GENERATION
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Beschreibung
Zusammenfassung:A system and method (300) for differential protection is provided. Aspects includes determining a first current value associated with a first current transformer (CTA) coupled to a first location in a differential protection zone, the first current transformer having a first transformer ratio, determining a second current value associated with a second current transformer (CTB) coupled to a second location in the differential protection zone, the second current transformer having a second transformer ratio, and determining, by a controller (102), a type of fault associated with the differential protection zone based on the first current value and the second current value.