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What is the purpose of using output filter with an AC drive?

FA115634

11/04/2019

Issue:
What is the purpose of using output filter with an AC drive?

Product Line:
Altivar drives

Environment:
All

Cause:
N/A

Resolution:
Output filters protect the motor in against The Reflective Wave Phenomenon and dV/dT Peak Voltages due to long motor lead length or high cable capacitance.
Additionally, the added inductance of a filter may help reduce motor heating, motor noise, and motor vibration.