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The Trouble-Shooting for the Over-Current in AC Inverter of Tanker
Abstract:
During the drive speed operation with motor, due to the big difference between the synchronous speed and the motor speed, it likely causes too much current. When the current exceeds a certain limit, it will cause the drive to current protection of the acceleration. For the over-current drive in the tanker case, by analyzing the causes of over-current proceeding, the key points are described from the load check, the drive hardware check, the parameters check, input/output circuit inspection and so on. When the large start torque or acceleration torque is necessary, the motor torque of about 100 to 150% can be generated in the low frequency area by adjusting the torque boost.
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1342-1345
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Online since:
November 2012
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© 2012 Trans Tech Publications Ltd. All Rights Reserved
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