ACTIVE HARMONIC COMPENSATOR FOR VARIABLE SPEED CHILLERS
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United States of America Patent
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Issued Date -
Jan 18, 2024
app pub date -
May 9, 2018
filing date -
May 9, 2017
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Abstract
An active harmonic filter (AHF) compensation assembly is provided. The AHF compensation assembly includes first wiring carrying input current, second wiring carrying output current and being electrically coupled to the first wiring for reception of the input current and first and second AHFs. The first AHF determines a first harmonic component of the output current and outputs a first signal configured to cancel the first harmonic component to the first wiring at a first location defined along the first wiring. The second AHF determines a second harmonic component of the output current and outputs a second signal configured to cancel the second harmonic component to the first wiring at a second location defined along the first wiring upstream from the first location.
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