Saturday, September 25, 2010

RE: [Electric Boats] Re: motoring with a battery charger

 

Ø  These are impressive results.  I want to hear from others running electric boats off of generators.

o    Congratulations. 27A @ 49V is very impressive from a portable generator and charger.

 

That’s 1323watts---not bad.

 

My setup:

 

·         Generator: Honda EU2000i

·         Charger arrangement:

o    Lestronic 36v, 20a

o    Vicor Megapac power supply configured with 5 48v/4a modules

·         Batteries: 36v single string, T105

 

Operation:

·         Attach charger outputs to battery bank

·         Turn motor on, head out of marina

·         After away from quiet zone, start generator, let warm up and then put in Eco mode

·         Plug the Lester charger AC plug into generator (good for 20amps into the 36v bank)

·         If need more than 20amps, plug the Vicor’s AC plug into the generator also (good for 20amps more)

 

Performance:

·         36v/40amps --- i.e. 1440w into the batteries

·         Has run like this for up to 17-hours continuous

·         Adding an additional 4amp module to the Vicor causes the generator to quit and overload light comes on

 

The Reach Of Tide: www.evalbum.com/492

 

-Myles Twete, Portland, Or.

 

 

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