Monday, September 27, 2010

RE: [Electric Boats] Re: motoring with a battery charger (Rectified?)

 

I’m not sure if this is possible or even cheaper under the conditions you’re all talking about but here is a question and maybe a suggestion.

 

What about rectifying the voltage off the Generator to what ever you need. For the batteries and the motor(s). Let’s say both the bank and the motors need 48V. The Genset would provide I believe (the Honda 2000?) around 24A? Sent to a common buss bar the batteries would be charged with anything the motor wasn’t asked to use. The charger would be off line under this condition and as long as you didn’t exceed the batteries maintenance charge input you could run it all day. On shore power the genset would be off. You could even wire the Genset to bypass the rectifier (a switch) to provide 120V.   

I’m just throwing out a suggestion or an idea and not sure of the numbers I have used but I would guess this would have to be simpler and have less voltage drop since it’s only 1 piece of equipment and more or less a direct connection to the motors and batteries from the genset.

 

Am I way off on this??

 

Steve in Solomons MD

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