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RE: VPI analog drive system (ADS)

Posted by John Elison (A) on November 8, 2021 at 04:07:10

In Reply to: RE: VPI analog drive system (ADS) posted by Todd Krieger on November 7, 2021 at 22:46:04:

I wonder if your platter has excessive bearing drag. When you remove the belt and spin the platter by hand does it keep spinning a while or does it seem to stop fairly quickly?

My motor runs a bit warm, but it doesn't seem to be a problem. Of course, I don't have the same system you have. Mine is a prototype and it may use a different motor than yours. There were two different motors used in the prototype systems. Mine also might have some different electronics because its 3-phase amplifier that drives the motor is a separate component from the 3-phase generator/controller.

You might want to contact SOTA to find out if your motor temperature presents a problem.

Good luck,
John Elison

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