METHOD FOR OPERATING AN ELECTRICAL MACHINE

The invention relates to a method for operating an electrical machine (2), especially for driving vehicles, in particular submarines. Said electrical machine (2) comprises a stator having a plurality of coils, and a plurality of converters (10a, 10b) for supplying current to the coils. In order to r...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	MEYER, Christian, WILCKE, Ralf
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ACOUSTICS ACOUSTICS NOT OTHERWISE PROVIDED FOR CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORSOR DYNAMO-ELECTRIC CONVERTERS CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS CONVERSION OR DISTRIBUTION OF ELECTRIC POWER DYNAMO-ELECTRIC MACHINES ELECTRICITY GENERATION MARINE PROPULSION OR STEERING METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING,NOISE OR OTHER ACOUSTIC WAVES IN GENERAL MUSICAL INSTRUMENTS PERFORMING OPERATIONS PHYSICS RELATED EQUIPMENT SHIPS OR OTHER WATERBORNE VESSELS SOUND-PRODUCING DEVICES TRANSPORTING
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Beschreibung
Zusammenfassung:	The invention relates to a method for operating an electrical machine (2), especially for driving vehicles, in particular submarines. Said electrical machine (2) comprises a stator having a plurality of coils, and a plurality of converters (10a, 10b) for supplying current to the coils. In order to reduce noise when the electrical machine is operated a first current (I1) having a fundamental oscillation (G) with superimposed harmonic components (O) is supplied to the coils with a respective phase offset by means of a first group of converters (10a) associated therewith, and at the same time a second current (I2), which is modified, particularly inverted, with respect to the harmonic components (O) of the first current (I1), is supplied to the coils by means of a second group of converters (10b) associated therewith.