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Old 04-14-2010, 05:49 PM   #1
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i need help...wind generator!

I'm not an electrical
I bought wind generator(
3 phase) ......output 24 vdc and 10A.
How to Connect the generator to a car battery to charging it ......... the battery have positive pole and negative pole ... and the electricity generator with 3 wires!!
i don't have any kit between generator and battery
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Old 04-14-2010, 06:07 PM   #2
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you need alot of stuff between generator and battery. may be cheaper to buy your electricity


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Old 04-14-2010, 07:27 PM   #3
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Originally Posted by alaa View Post
output 24 vdc and 10A.
the battery have positive pole and negative pole
... and the electricity generator with 3 wires!!
You need a 3Φ bridge rectifier [6 diodes] mounted on a heat sink, just like in your car's alternator, to start with. You might get this for $10 at online electronic parts places.

You also need a voltage regulator, just like in your car, except it puts out 28.8v.

The amp-hour capacity of your battery will depend on how much charge it gets vs. how much and how long the discharge is.
You'll need deep cycle batteries.

For testing, you'll need to somehow spin the generator at constant speeds.

Post specs for your generator.
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Old 04-15-2010, 09:36 PM   #4
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This is not a real simple project. First, you need a 3-phase bridge rectifier (6 diodes) to produce DC power from the generator. Then, you need a voltage regulator (more properly, a charge controller). Since this generator appears to be a permanent magnet type (three wires only, no field connection) the controller will be a bit different than most - and a bit more complicated. Finally, you may also need an active braking system to prevent the generator from over-speeding in high winds with a fully charged battery. All of these parts may be available in one self-contained wind generator control unit, but these tend to be quite expensive. Building it yourself from parts and sub-assemblies may be cheaper, but it's a fairly involved project and will still cost quite a bit.
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