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Forum Index : Windmills : generator from E-motor

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MagusWake
Newbie

Joined: 21/04/2010
Location: United States
Posts: 1
Posted: 01:13pm 21 Apr 2010
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How do turn an electric motor into a generator? seen it in popular mechanics!
MagusWake
 
Downwind

Guru

Joined: 09/09/2009
Location: Australia
Posts: 2333
Posted: 02:46pm 21 Apr 2010
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Hi MagusWake

Welcome to the forum.

Is there something missing from your post above, or are you asking a question or what, as i dont follow what it is you are reffering to.

Pete.
Sometimes it just works
 
VK4AYQ
Guru

Joined: 02/12/2009
Location: Australia
Posts: 2539
Posted: 02:58pm 21 Apr 2010
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Hi Magus

In the past I have used a 3 phase motor as an alternator by connecting AC caps across the windings and that induces an excitation into the windings DC superimposed on the AC, it did work but wasn't very stable voltage wise and took a spark up to start it working, it was in an old book I had and I think the caps I had weren't the right value. I have seen a commercial alternator using this method it had 3 caps in the terminal box, but no value markings. When it loads up it becomes more stable.

All the best

Bob
Foolin Around
 
Gizmo

Admin Group

Joined: 05/06/2004
Location: Australia
Posts: 5124
Posted: 08:19am 22 Apr 2010
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Hi Magus

Yes we're going to need a lot more infomation. You question is like asking how long a piece of string is.

There are many different types of electric motors, some can be used as alternators, some as generators, and some wont work as anything other than a motor. We would need to kow what sort of motor it is before giving a answer.

What did you want to use the motor for?

Glenn
The best time to plant a tree was twenty years ago, the second best time is right now.
JAQ
 
Bryan1

Guru

Joined: 22/02/2006
Location: Australia
Posts: 1512
Posted: 09:53am 22 Apr 2010
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These days we should be consulting our esteemed Chinese guru 'How Long' to answer this thread.......
 
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