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Have 8, 1/2hp motors connected to one vfd and up to 3 motors are tripping on overloads at start up?

VFD Electrical
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Question added by Bill brinks
Date Posted: 2016/01/07
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Nasir Khan
by Nasir Khan , Instrumentation Engineer / Site Supervision Engineer , Associated Consulting Engineers-ACE (Pvt.) Ltd.

If this is problem is from the very beginning then VFD need a replace, if this system with a single VFD &8 x1/2 HP motors worked before properly then your inverter is not working with an accuracy or your generated power has an error valve. 

Faisal Alarmouti
by Faisal Alarmouti , Senior Sales Engineer , Hitachi

Then .. ?! Btw , your inverter Is3kw

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