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VFD spindle giving off weird sound, vibrating

Phase Converters and VFD Running 3 phase machines on single phase power and variable frequency drive discussion

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12-29-2010, 12:52 PM

Join Date: Dec 2010

Location: Poland

Posts: 1

VFD spindle giving off weird sound, vibrating

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Hi,

Just got my china made noname .8 kW VFD with Fulling D130 1.5 kw 1 phase controller. I wired it as simply as posible with grounded plug on one side to 230V and 3 wires to the motor on the other side. Default setings in the controller as I do not have any info on how to set it up.

The motor spins up nicely to 400 Hz but ever 1/2 second gives of weird sound, and i can feel on the casing as if it would be hitting something ( that is of course not possible as it spins nicely if it is powered off) So i guess it could be conntroler issue.

I did put the video of it here

YouTube - VFD spindle strange noise
HELP, what could be wrong!
---------------
Edit:
Just found out that the problem occurs only when the step motors drive is on. The spindle runs smoothly when the main controler is off. Should I start with shielding the cable from VFD to motor ?

Maciej

Last edited by xsherlock; 12-29-2010 at 01:41 PM. Reason: new info

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