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anuragpattanayak

ABB ACS 800

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We are using a 37KW ABB ACS 800 VVFD to drive a three phase motor of same capacity. The motor drives an unbalanced load. Problem is the drive cannot start the motor. The load keeps on oscillating and comes to stand still. We have kept the initial starting limit at 600 RPM , only then it starts. Any other suggestions?

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What type of acceleration setting do you have? Also, what mode are you running the drive in? If it is set for DTC (direct torque control), then you will need to let the drive do and ID Run. This sets up the DTC settings. If not set properly, the motor will not perform properly. See the manual.

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