DETECTION METHOD AND APPARATUS FOR MOTOR PARAMETERS
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United States of America Patent
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Issued Date -
Oct 24, 2024
app pub date -
Apr 22, 2024
filing date -
Apr 22, 2024
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Abstract
Disclosed is a method for detecting motor parameters, comprising: injecting a first direct current signal; receiving a first d-q axis feedback current corresponding to the first direct current signal and a first d-q axis voltage output by a current regulation module; injecting a second direct current signal different from the first direct current signal; receiving a second d-q axis feedback current corresponding to the second direct current signal and a second d-q axis voltage output by the current regulation module; and determining motor parameters based on the first d-q axis feedback current, the first d-q axis voltage, the second d-q axis feedback current and the second d-q axis voltage. Also disclosed is an apparatus for detecting motor parameters, a computer program product and an air conditioner compressor system.
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