METHOD AND DEVICE FOR OPERATING AN ELECTRONICALLY COMMUTATED ELECTRIC MACHINE

The invention relates to a method for operating an electronically commutated electric machine (2), having the following steps: Activating a driver circuit (3) in accordance with a commutation schema by switching power semiconductor switches (32, 33); applying a pulse width modulation to the switchin...

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Bibliographic Details
Main Authors WILHARM, Torsten, BERGT, Martin, EISENBLAETTER, Dirk
Format Patent
LanguageEnglish
French
German
Published 06.03.2019
Subjects
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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Summary:The invention relates to a method for operating an electronically commutated electric machine (2), having the following steps: Activating a driver circuit (3) in accordance with a commutation schema by switching power semiconductor switches (32, 33); applying a pulse width modulation to the switching of the power semiconductor switches (32, 33); and limiting a pulse control factor of the pulse width modulation to a pulse control factor threshold value.
Bibliography:Application Number: EP20130779592