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Different Output Current for two Identical drives with same motor.

Created by: Omer Fayyaz at: 7/1/2015 1:26 PM (1 Replies)

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7/1/2015 1:26 PM	Rate (0)
Omer Fayyaz Posts: 11 Rating: (0)	Dear Support, We have two Master Drives 6SE7137-0EE62-3BA0-Z, of same rating installed for application with the same Motor. One Drive is attached with Motor for working and the other is held as standby in case of requirement. We are testing the drives in plant shutdown. Motor is decoupled from load. With one Drive connected with motor, current output to motor was about 200A at almost 50% RPM. When we tested the second Drive with the SAME decoupled motor, this drive show is showing about 400A current which is twice the other drive with same rating and SAME motor connected. Physical inspection of the cards has been done, cleaning has been performed but the result is same for this drive. Please guide about the possible cause for this ambiguous behavior. Regards. Omer Fayyaz
Omer Fayyaz Posts: 11 Rating: (0)
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7/3/2015 6:37 PM	Rate (0)
Graeme Platinum Expert Joined: 6/4/2008 Last visit: 11/12/2024 Posts: 1505 Rating: (326)	Hi, compare the parameter sets in Drivemonitor. Regards, Graeme

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