CONTROLLED POST-SYNCHRONIZING ON BRUSHLESS SYNCHRONOUS MOTORS

CONTROLLED POST-SYNCHRONIZING ON BRUSHLESS SYNCHRONOUS MOTORS

CONTROLLED POST-SYNCHRONIZING ON BRUSHLESS SYNCHRONOUS MOTORS A static control system for applying excitation to synchronous motors, especially of the brushless type, by firing a semiconductor switch to apply direct current excitation to the field of the motor. A post-synchronization firing circuit...

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Bibliographische Detailangaben
Hauptverfasser: COOPER, RICHARD (JR.), HEYNE, CARL J, GODWIN, GURNEY L
Format: Patent
Sprache:eng ; fre
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
GENERATION
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Beschreibung
Zusammenfassung:CONTROLLED POST-SYNCHRONIZING ON BRUSHLESS SYNCHRONOUS MOTORS A static control system for applying excitation to synchronous motors, especially of the brushless type, by firing a semiconductor switch to apply direct current excitation to the field of the motor. A post-synchronization firing circuit is provided for firing the switch in response to the voltage across the switch if the motor pulls into synchronism before the switch is fired. A control circuit is provided for inhibiting the operation of the post-synchro-nizing firing circuit during subsynchronous operation.