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VFDs, Drives & Motion

AC inverters, servo motors, encoder feedback, braking resistors, parameter tuning & EMC noise suppression.

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VFDs, Drives & Motion

AC inverters, servo motors, encoder feedback, braking resistors, parameter tuning & EMC noise suppression.

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EMC Best Practices: Should VFD Motor Cable Shielding be Grounded at Both Ends?

We are experiencing high-frequency electrical noise affecting nearby 4-20mA pressure transmitter signals whenever our 45kW ABB ACS580 drive accelerates. The motor power cable is 4-core shielded. Should the braided copper shield be grounded at both the VFD PE terminal and the motor frame, or at the VFD side only to avoid ground loop currents?

Started by Anil Sharma•UnboxRobotics Labs Pvt Ltd•4d ago
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