CURRENT GAIN CONTROL OF CIRCUIT BREAKER TRIP UNIT

CURRENT GAIN CONTROL OF CIRCUIT BREAKER TRIP UNIT

An electronic trip unit for a circuit breaker, the electronic trip unit includes a rating plug having a plurality of switches each configured to indicate a specified current rating for the rating plug and for selectively supplying a current rating for the electronic trip unit, a processing unit whic...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: DEVARAPALLI SREENIVASULU R, HAMEED ZUBAIR, GREENWOOD TODD, VICENTE NATANIEL BARBOSA, LENHART, JR. BRIAN PATRICK, WEST STEPHEN JAMES
Format: Patent
Sprache:eng
Schlagworte:
CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
ELECTRICITY
EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
GENERATION
Online-Zugang:Volltext bestellen
Tags: Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
Beschreibung
Zusammenfassung:An electronic trip unit for a circuit breaker, the electronic trip unit includes a rating plug having a plurality of switches each configured to indicate a specified current rating for the rating plug and for selectively supplying a current rating for the electronic trip unit, a processing unit which receives and reads a value of the selected current rating from the rating plug upon power-up, and a gain control unit including a plurality of gain circuits. Each of the gain circuits including a plurality of gain switches set by the processing unit based upon the selected current rating, to control a gain of input current of the electronic trip unit.