Input EMI filter for motor drive including an active rectifier

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United States of America Patent

PATENT NO 9479105
APP PUB NO 20150145461A1
SERIAL NO

14175121

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Abstract

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A poly-phase motor drive includes an input EMI filter having a poly-phase filter input and a poly-phase filter output and an active rectifier connected to the filter output. The input EMI filter includes notch filters tuned at active rectifier and motor drive inverter switching frequencies and diverts common-mode current into DC bus. The active rectifier has a DC output. A motor drive inverter is connected to the DC output. The motor drive inverter has a poly-phase motor control output.

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Patent Owner(s)

Patent OwnerAddress
HAMILTON SUNDSTRAND CORPORATIONFOUR COLISEUM CENTRE 2730 WEST TYVOLA ROAD CHARLOTTE NC 28217

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ackerman, Gabriel Manchester, US 1 4
Carcia, Francis A Enfield, US 4 25
Rozman, Gregory I Rockford, US 209 3385

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