Low voltage circuit breaker having an electronic overcurrent tripping device and a detecting device of the operational state

Low voltage circuit breaker having an electronic overcurrent tripping device and a detecting device of the operational state

The low voltage switch [1] is coupled to the mains [2] and the current is detected by a Rogowski coil [3] coupled to a low pass RC stage [4] connected to amplifiers [5]. These provide input to a microprocessor [6] and this identifies an overload condition that causes an overload switch [7,8] to resp...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: ROEHL, WOLFGANG, SHILLER, MANFRED, PANCKE, ANDREAS
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:The low voltage switch [1] is coupled to the mains [2] and the current is detected by a Rogowski coil [3] coupled to a low pass RC stage [4] connected to amplifiers [5]. These provide input to a microprocessor [6] and this identifies an overload condition that causes an overload switch [7,8] to respond.