INVERTER CONTROLLER FOR DRIVING MOTOR AND APPARATUS EMPLOYING THE SAME

INVERTER CONTROLLER FOR DRIVING MOTOR AND APPARATUS EMPLOYING THE SAME

PROBLEM TO BE SOLVED: To provide an inverter controller for driving a motor satisfactorily by reducing impact of ambient temperature variation thereby enhancing precision in detecting a phase current of the motor. SOLUTION: In an inverter for driving a motor by inverting a DC voltage into an AC thre...

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1. Verfasser: MATSUSHIRO HIDEO
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Sprache:eng
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APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC,OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWERSUPPLY SYSTEMS
CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORSOR DYNAMO-ELECTRIC CONVERTERS
CONTROL OR REGULATION THEREOF
CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER
CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
ELECTRICITY
GENERATION
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creator MATSUSHIRO HIDEO
description PROBLEM TO BE SOLVED: To provide an inverter controller for driving a motor satisfactorily by reducing impact of ambient temperature variation thereby enhancing precision in detecting a phase current of the motor. SOLUTION: In an inverter for driving a motor by inverting a DC voltage into an AC three-phase voltage, offset voltage of a DC current detector outputting a voltage according to a current flowing through an inverter bus is regulated when all the PWM signals for controlling the upper arm switching elements of an inverter are entirely turned on or off during driving of the motor. COPYRIGHT: (C)2008,JPO&INPIT
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subjects APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC,OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWERSUPPLY SYSTEMS
CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORSOR DYNAMO-ELECTRIC CONVERTERS
CONTROL OR REGULATION THEREOF
CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER
CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
ELECTRICITY
GENERATION
title INVERTER CONTROLLER FOR DRIVING MOTOR AND APPARATUS EMPLOYING THE SAME
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