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Fuels and Alternative Fuels Materials or substances that can be used as a fuel, waste oils, vegetable oils or animal fats, which can be used alone, or blended with fossil fuels.

Fuels and Alternative Fuels

Wind power generator?

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Old 09-10-2016, 11:57:31 PM
Richard W. Richard W. is offline
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Default Wind power generator?

I was working on an electric wheel chair and in the manual it talked about regenerative braking. So I was wondering if wheel chair motors would work in a wind generator? There was two electric motors and 2 12 volt batteries on the wheel chair. I have no real info on the motors, but seems like they would be 24 volt motors. Any thought out there about this?

Richard W.
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Old 09-11-2016, 12:38:17 AM
Thaumaturge Thaumaturge is offline
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Default Re: Wind power generator?

A question of start up speed. You have to run a higher voltage into a battery than rated battery voltage before it will begin to charge. On cars etc. that is usually set between 13.5-14.3 volts. Call it 13 volts minimum.
Drive motor using a variable speed drill and read output volts from motor with a meter. Measure RPM. That is the minimum RPM the wind must drive motor.
'The time has come', the Walrus said,'To talk of many things: Of shoes and ships and sealing-wax Of cabbages and kings'
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Old 09-11-2016, 05:06:16 AM
dalmatiangirl61 dalmatiangirl61 is offline
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Default Re: Wind power generator?

Yes it is possible with permanent magnet generators, if you want more info and an unbiased opinion, send me a pm. It takes a little bit of explaining............
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Old 09-11-2016, 05:14:03 AM
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Elden DuRand Elden DuRand is offline
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Default Re: Wind power generator?

Permanent magnet motors (not brushless) make decent generators. The only real drawback is that voltage regulation is more complicated and requires more powerful components.

With a wound field motor, output voltage is regulated by varying the relatively small current in the field winding. On the other hand, the output of a permanent magnet generator has to be regulated.

On the permanent magnet motors I've used as generators, the RPM is about the same as or slightly higher than the RPM it runs as a motor.

The most unusual motor I've used as a generator is the motor from a direct drive (gearless) washing machine. Here's the deal on that one.

Have fun!
Take care - Elden
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