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Forum Index : Windmills : Motors...Am I correct about this?

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Glipski

Newbie

Joined: 26/08/2008
Location: United States
Posts: 10

Posted: 11:34am 05 Sep 2008

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Trying to figure this out...

If I had a permanent magnet DC motor that was 180VDC, 1700rpm...then at a usable output from a mill, I'd have maybe 45vdc@425rpms, and 22.5vdc@212rpms...correct?

Am I on the right track with this line of thought?

GWatPE

Senior Member

Joined: 01/09/2006
Location: Australia
Posts: 2127

Posted: 12:54pm 05 Sep 2008

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Yes.

The max current will not change, but the power output will be down by the reduced voltage ratio.

Gordon.

become more energy aware

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