Vorrichtung zum Anhalten einer einphasigen Asynchronmaschine mit Kondensator

Vorrichtung zum Anhalten einer einphasigen Asynchronmaschine mit Kondensator

The control unit (14) is designed to stop operation of the motor (2) when an overload exceeds a set value. The unit (14) includes a device (8) for measuring phase shift between one of several parameters: voltage or current (U1,U2,I2,I3) of the principal phase (1) and/or the auxiliary phase (2) and a...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: PLUMER, LOUIS, F-90000 BELFORT, FR, NASSR, DJAFAR, F-68110 ILLZACH, FR, RAUDE, PHILIPPE, F-56100 LORIENT, FR
Format: Patent
Sprache:ger
Schlagworte:
CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORSOR DYNAMO-ELECTRIC CONVERTERS
CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
ELECTRICITY
EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
GENERATION
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Beschreibung
Zusammenfassung:The control unit (14) is designed to stop operation of the motor (2) when an overload exceeds a set value. The unit (14) includes a device (8) for measuring phase shift between one of several parameters: voltage or current (U1,U2,I2,I3) of the principal phase (1) and/or the auxiliary phase (2) and another of these parameters. The unit (14) interrupts the supply to the motor (2) when the measured delay time is less than a set value contained in memory (13).