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    alexrr60's Avatar
    alexrr60 Posts: 4, Reputation: 1
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    #1

    Jan 10, 2014, 09:49 AM
    72V DC Motor with two 12V wind Generators
    Hello, I have two 12v DC wind generators that can provide charge to a 72v battery bank. This bank is used to power a 72Volt Electric Motor. I have one connected to the first battery (the positive connect for the entire bank) and the other generator is hooked up to the other or last battery of the 72v bank (the negative connect). Is this proper? Or, what do you recommend? Which manner should I best have them connected to the battery bank in order to obtain the most efficiency (charge)? Thank you, Alex
    ebaines's Avatar
    ebaines Posts: 12,131, Reputation: 1307
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    #2

    Jan 10, 2014, 11:48 AM
    This approach won't work. To charge a 72V battery you need greater than 72 volts, otherwise the battery will simply try to dischage itself through the generators (perhaps turning them into electric motors). You would need a DC-DC power converter to step up the 12V output to around 80V. Then hook positive output of the generator to the positive battery terminal and negative to negative.
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