POSITIONAL RECOGNITION USING BEMF ZERO CROSSOVER RECOGNITION OF A ROTOR OF AN ELECTRONICALLY COMMUTATED ELECTRIC MACHINE WITH TWO COIL SECTIONS OF DIFFERENT INDUCTANCES

POSITIONAL RECOGNITION USING BEMF ZERO CROSSOVER RECOGNITION OF A ROTOR OF AN ELECTRONICALLY COMMUTATED ELECTRIC MACHINE WITH TWO COIL SECTIONS OF DIFFERENT INDUCTANCES

The invention relates to a method for positional recognition of a rotor of an electronically commutated electric machine, in particular an electric motor, in which a zero crossover of a voltage induced in a coil section of the rotor or stator is used for positional recognition. According to the inve...

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Hauptverfasser: TIMM, Eike Hermann, REHAGEN, Johannes, KRAUTH, Wolfgang
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
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
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creator TIMM, Eike Hermann
REHAGEN, Johannes
KRAUTH, Wolfgang
description The invention relates to a method for positional recognition of a rotor of an electronically commutated electric machine, in particular an electric motor, in which a zero crossover of a voltage induced in a coil section of the rotor or stator is used for positional recognition. According to the invention, to determine the zero crossover the coil section is briefly powered down. A rotor/stator is used, comprising at least two coil sections, one of which has a lower inductance relative to the other one, and preferably only the coil section with the lower inductance is used for the positional recognition.
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According to the invention, to determine the zero crossover the coil section is briefly powered down. 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According to the invention, to determine the zero crossover the coil section is briefly powered down. A rotor/stator is used, comprising at least two coil sections, one of which has a lower inductance relative to the other one, and preferably only the coil section with the lower inductance is used for the positional recognition.</abstract><oa>free_for_read</oa></addata></record>
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language eng ; fre ; ger
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subjects 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
title POSITIONAL RECOGNITION USING BEMF ZERO CROSSOVER RECOGNITION OF A ROTOR OF AN ELECTRONICALLY COMMUTATED ELECTRIC MACHINE WITH TWO COIL SECTIONS OF DIFFERENT INDUCTANCES
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