Method for operating three-phase alternating current motor, involves opening electrically actuated switching point for currentless switching of three-phase alternating current motor

The method involves opening an electrically actuated switching point (SST) for currentless switching of a three-phase alternating current motor (M). The electrically actuated switch is switched off by a non-controlled phase of the three-phase alternating current motor. The non-controlled phase is sw...

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Main Authors SEITZ, JOHANN, HERTZ, DIRK, ZITZLER, STEFAN, ROYER, FRITZ
Format Patent
LanguageEnglish
German
Published 20.01.2011
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Abstract The method involves opening an electrically actuated switching point (SST) for currentless switching of a three-phase alternating current motor (M). The electrically actuated switch is switched off by a non-controlled phase of the three-phase alternating current motor. The non-controlled phase is switched off by opening the switching point during a disconnected state of a two-phase controlled soft start control. An independent claim is also included for a circuit arrangement for operating a three-phase alternating current motor. Für ein gesichertes Betreiben eines Drehstrommotors (M) mit einer zweiphasig (z. B. L1 und L2) geste ein Verfahren und zur Durchführung des Verfahrens eine Schaltungsanordnung vorgeschlagen auf der Grundlage, dass in die dritte nicht gesteuerte Phase (z. B. L3) eine elektrisch betätigte Schaltstelle (SST) zum gesteuerten Ein- und Ausschalten der dritten nicht gesteuerten Phase (z. B. L3) zwischengeschaltet ist, durch die im Fehlerfall in einer der gesteuerten Phasen (z. B. L1 oder L2) die nicht gesteuerte dritte Phase (z. B. L3) abgeschaltet wird beziehungsweise ist.
AbstractList The method involves opening an electrically actuated switching point (SST) for currentless switching of a three-phase alternating current motor (M). The electrically actuated switch is switched off by a non-controlled phase of the three-phase alternating current motor. The non-controlled phase is switched off by opening the switching point during a disconnected state of a two-phase controlled soft start control. An independent claim is also included for a circuit arrangement for operating a three-phase alternating current motor. Für ein gesichertes Betreiben eines Drehstrommotors (M) mit einer zweiphasig (z. B. L1 und L2) geste ein Verfahren und zur Durchführung des Verfahrens eine Schaltungsanordnung vorgeschlagen auf der Grundlage, dass in die dritte nicht gesteuerte Phase (z. B. L3) eine elektrisch betätigte Schaltstelle (SST) zum gesteuerten Ein- und Ausschalten der dritten nicht gesteuerten Phase (z. B. L3) zwischengeschaltet ist, durch die im Fehlerfall in einer der gesteuerten Phasen (z. B. L1 oder L2) die nicht gesteuerte dritte Phase (z. B. L3) abgeschaltet wird beziehungsweise ist.
Author ROYER, FRITZ
SEITZ, JOHANN
HERTZ, DIRK
ZITZLER, STEFAN
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DocumentTitleAlternate Verfahren zum Betreiben eines Drehstrommotors und Schaltungsanordnung zur Durchführung des Verfahrens
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Snippet The method involves opening an electrically actuated switching point (SST) for currentless switching of a three-phase alternating current motor (M). The...
SourceID epo
SourceType Open Access Repository
SubjectTerms 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
Title Method for operating three-phase alternating current motor, involves opening electrically actuated switching point for currentless switching of three-phase alternating current motor
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