PHASE LOSS DETECTION CIRCUIT INCLUDING TRANSIENT PROTECTION

PHASE LOSS DETECTION CIRCUIT INCLUDING TRANSIENT PROTECTION

A phase loss detection circuit with transient protection wherein an instantaneous voltage is compared to a peak voltage and an output representative of the comparison is coupled through direct current blocking means such that a phase loss is caused to provide a pulsed output which when integrated is...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: REED, RYAN T, CURRAN, EARL J., JR
Format: Patent
Sprache:eng ; fre
Schlagworte:
CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
ELECTRICITY
EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
GENERATION
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Beschreibung
Zusammenfassung:A phase loss detection circuit with transient protection wherein an instantaneous voltage is compared to a peak voltage and an output representative of the comparison is coupled through direct current blocking means such that a phase loss is caused to provide a pulsed output which when integrated is sufficient to provide a trip actuation, but wherein said circuit discrimination against transient conditions to avoid false trip actuation