LOW ACOUSTIC NOISE OPEN LOOP MOTOR STARTUP

Methods and apparatus for open loop startup of a three-phase motor that reduces acoustic noise. During rotor alignment of the motor, there is a maximum level for a phase current to the motor. After the rotor alignment, open loop motor startup is performed during which the phase current has a first s...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	KURIHARA, Masahira, BABUSHKIN, Anton, SAKHAROV, Dmytro
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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