Re: [CAD_CAM_EDM_DRO] Re: inverter question

afogassa wrote:

> Well, I've called the WEG tecnical assistence they make the VFD I
>was going to use and found out that the people that works for the
>electric supplyer didn't know how to set up the VFD for the 200hz
>motor and that's why they want to sell the 16 amps unit.
> I've pluged a 4amps VFD to the motor and adjusted a few parameteres
>like having a higher frequency to start the motor and also having the
>frequency and the volts proportional to each other and the motor
>start and turns very nice with a 4amps VFD.
> Still have to run more tests but it's very nice to know that
>sometimes if you push just a bit more you get what you want for a lot
>less money.
> The 4amps VFD is also cheaper than the 7amps ones.
>
>

Good! You didn't even need inductors between the motor and VFD?
You might want them, anyway, if the motor seems to run hot.
Maybe for a 200 Hz motor the internal inductance is enough to keep
everything happy.

Glad to hear that it is working out for you.

Jon