System and method for controlling a variable speed drive of a compressor motor

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United States of America Patent

PATENT NO 9759469
APP PUB NO 20140196490A1
SERIAL NO

14238340

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Abstract

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A variable speed drive (VSD) can be used to vary the voltage-to-frequency ratio (V/f) supplied to a compressor motor of a heating, ventilation, air conditioning or refrigeration (HVAC&R) system to make the motor stronger or weaker to compensate for varying conditions in the HVAC&R system. The VSD and corresponding control system or algorithm can monitor an operating parameter of the HVAC&R system, such as the kW absorbed by the motor, and then raise or lower the V/f of the VSD to obtain the lowest possible power consumption from the motor.

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Patent Owner(s)

Patent OwnerAddress
JOHNSON CONTROLS TYCO IP HOLDINGS LLP5757 N GREEN BAY AVENUE MILWAUKEE WI 53209

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Nemit,, Jr Paul Waynesboro, US 21 127

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