Rockwell Automation Technologies Incorporated

Brian T Concannon

Semyon Royak

Michael J Melfi

Mark Melvin Harbaugh

John M Kasunich

Daniel Pixler

A system and method for protecting a motor drive unit from an associated motor includes a motor drive unit protection system. The motor drive unit protection system includes at least one switch configured to be connected between a motor drive unit and a plurality of motor leads of the motor driven by the motor drive unit. The motor drive unit protection system also includes a controller configured to monitor the motor drive unit or the motor to determine a fault condition indicative of the motor potentially operating as a generator. Upon determining the fault condition, the controller is configured to cause the at least one switch to connect the plurality of motor leads together to protect the motor drive unit from the motor when the motor is operating as a generator.

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Menomonee Falls, WI, United States of America

Brian T Concannon