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A: GD350A-800G-6, Crusher application, 2 sets of 800kW VFDs drive 2 sets of 630KW motors. After the VFD is debugged, the trial production stage often reports overload OL2. How to solve it?
The crusher is an impact load, and the stones processed by the equipment are blasted fastly, the size of the stone particles varies, and the impact of the load is uncontrollable, the maximum instantaneous current of the machine monitoring reaches 1800A, and the VFD selection is too small.
Solution: Amplify the power of the VFD and ensure stable operation after being put into use.
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