EMC/EMI filter question

EMC/EMI filter question

Postby dan_barber » Sun Jan 06, 2019 9:40 pm

Does an EMC/EMI filter like https://www.valinonline.com/products/508-110 go before the VFD or after the VFD on the cable that goes to the spindle? Also, if I use a filter on the output side of the VFD, would this protect both the VFD and the motor?
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Re: EMC/EMI filter question

Postby ger21 » Sun Jan 06, 2019 11:17 pm

Do not put ANYTHING between the VFD and the motor.
Check with the VFD manufacturer on what you should use before the VFD. Typically a line reactor is used.
Gerry
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