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Forum Index : Windmills : 30 volts

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DeanC993
Newbie

Joined: 11/05/2009
Location: United States
Posts: 10
Posted: 06:13pm 08 Jul 2009
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hi guys TODAY I READ 30 VOLTS!!! OF MY STEPPER MOTOR WIND TURBINE 50 MILLAMPS:( BUT 30 VOLTS:) I HAD IT RUN THROUGH A 10 DIODE BRIDGE RECTIFIER INTO A 50 VOLT CAPACITOR AND DIRECTLY TO AN LED WITH A RESISTOR CAN SOMEONE TELL ME IS THAT GOOD ENOUGH To CHARGE A 12 VOLT BATTERY OR DOES THE AMPS HAVE TO BE HIGHER? i know it would be good for at least 4 double a's very happy today(:
Dean Cheevers
 
Gizmo

Admin Group

Joined: 05/06/2004
Location: Australia
Posts: 5119
Posted: 11:46pm 08 Jul 2009
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Hi Dean

Yes 30 volts is good, thats more than the charging voltage for a 12 or 24volt battery. 50mA isn't a lot though, and its the amps that will be doing the work.

How big is your stepper motor, approx size?

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

Senior Member

Joined: 17/07/2008
Location: United States
Posts: 114
Posted: 01:42am 18 Jul 2009
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If you are charging a car battery 50ma will be more damaging then good over time. It will allow the crystals that grow in the battery to be come bigger thus preventing the battery from accepting a full charge. 50ma could be used to float charge (keep a full battery full) maybe, but regular charging no so much. Even remote control car batteries charge with more ampereage. um, maybe a few nicad 1.5 in series, but then there a are even charge issues to deal with.
Don't you think Free/Renewable energy should be mandatory in new buildings?
 
DeanC993
Newbie

Joined: 11/05/2009
Location: United States
Posts: 10
Posted: 02:16am 18 Jul 2009
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Thx readyakira advice taking i am now charging 4 double a's as quick a 1 thanks by
Dean Cheevers
 
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