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Forum Index : Electronics : Sanity Check

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piercy007

Newbie

Joined: 27/06/2008
Location: United Kingdom
Posts: 28
Posted: 07:06pm 17 Aug 2008
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Just a quick sanity check question.

If using a DC motor as a generator it should output DC (rather than AC). Therefore there is no need to rectify the current before it goes to the battery?

Also what would happen to DC if you did run it through a rectifier - does it have any effect?

cheers
My middle name is luck mind you my first is bad!
 
Haxby

Guru

Joined: 07/07/2008
Location: Australia
Posts: 423
Posted: 05:54am 18 Aug 2008
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yes, you will get DC.

If you run it through a rectifier you will lose a bit of voltage due to the diode drop. Around 1.5V due to there being two diodes conducting. But it won't break.
 
Robb
Senior Member

Joined: 01/08/2007
Location: Australia
Posts: 221
Posted: 07:07am 18 Aug 2008
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  Haxby said  
yes, you will get DC.

If you run it through a rectifier you will lose a bit of voltage due to the diode drop. Around 1.5V due to there being two diodes conducting. But it won't break.


Use 1 diode or it will "motor" when the wind drops.
 
Gizmo

Admin Group

Joined: 05/06/2004
Location: Australia
Posts: 5078
Posted: 07:32am 18 Aug 2008
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Good point Rob.
The best time to plant a tree was twenty years ago, the second best time is right now.
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