BACK ELECTROMOTIVE FORCE SENSING CIRCUIT, BACK ELECTROMOTIVE FORCE SENSING METHOD AND DRIVING MODULE OF THREE-PHASE PERMANENT MAGNET MOTOR

BACK ELECTROMOTIVE FORCE SENSING CIRCUIT, BACK ELECTROMOTIVE FORCE SENSING METHOD AND DRIVING MODULE OF THREE-PHASE PERMANENT MAGNET MOTOR

A back electromotive force sensing circuit can include: a sampling circuit configured to acquire a sampling signal representing a phase current of one of three phases of a three-phase permanent magnet motor, where the three-phase permanent magnet motor adopts sine wave control; and a signal processi...

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Hauptverfasser: Huang, Xinjian, Huang, Xiaodong, Zhong, Zhenfeng
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Sprache:eng
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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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creator Huang, Xinjian
Huang, Xiaodong
Zhong, Zhenfeng
description A back electromotive force sensing circuit can include: a sampling circuit configured to acquire a sampling signal representing a phase current of one of three phases of a three-phase permanent magnet motor, where the three-phase permanent magnet motor adopts sine wave control; and a signal processing circuit configured to receive the sampling signal, and to obtain a back electromotive force of the one phase according to a difference between a phase voltage of the one phase and a sum of a voltage across a phase resistor and a voltage across a phase inductor of the one phase.
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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
ELECTRICITY
GENERATION
title BACK ELECTROMOTIVE FORCE SENSING CIRCUIT, BACK ELECTROMOTIVE FORCE SENSING METHOD AND DRIVING MODULE OF THREE-PHASE PERMANENT MAGNET MOTOR
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