METHOD AND SYSTEM FOR CORRECTING INITIAL ZERO OFFSET

A method and a system for correcting an initial zero offset, said method comprising: obtaining, by means of calculating a back electromotive force of a stator of a permanent magnet synchronous motor, a corresponding space vector phase angle ¸ 1 (S12); and then acquiring, according to a position of a...

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Hauptverfasser:	SHANG, Jing, FENG, Jianghua, LIU, Xiong, HE, Yaping, ZHENG, Hanfeng, XU, Junfeng, WEN, Yuliang, ZENG, Xiaofan, ZHANG, Zhaoyang, HUANG, Jiade
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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 ELECTRICITY GENERATION
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creator	SHANG, Jing FENG, Jianghua LIU, Xiong HE, Yaping ZHENG, Hanfeng XU, Junfeng WEN, Yuliang ZENG, Xiaofan ZHANG, Zhaoyang HUANG, Jiade
description	A method and a system for correcting an initial zero offset, said method comprising: obtaining, by means of calculating a back electromotive force of a stator of a permanent magnet synchronous motor, a corresponding space vector phase angle ¸ 1 (S12); and then acquiring, according to a position of a rotator of a resolver, a rotation angle ¸ 2 of the resolver (S13); calculating, according to a formula, an installation offset ¸ of the resolver (S14); and finally, adjusting, according to the precision requirement, the position of the resolver (S15). Said method is easy to operate, being capable of correcting an initial zero offset between the permanent magnet synchronous motor and the resolver.
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Said method is easy to operate, being capable of correcting an initial zero offset between the permanent magnet synchronous motor and the resolver.</abstract><oa>free_for_read</oa></addata></record>
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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	METHOD AND SYSTEM FOR CORRECTING INITIAL ZERO OFFSET
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