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Old 02-11-2013, 08:52 PM   #55 (permalink)
adamj12b
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Join Date: Apr 2009
Location: Charlton MA, USA
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EVVette - '71 Chevy Corvette Coupe
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Quote:
Originally Posted by e*clipse View Post
Would this be possible, or just a pipe dream?

I have a big solar array that puts out about 300V 16A Mpp. I would love to be able to plug my EV's directly into it without using the grid-tied inverter.

Is there a DC bus on this charger that could accept this power? It seems if the charger can accept a wide AC voltage range like 85VAC > 265VAC, it would need to rectify the AC at some point, ending up with a wide DC bus range.

Would it be possible to plug the solar array into this DC bus??

Also, the EV's I'd like to charge have battery packs ranging from about 40VDC to over 600VDC. Would it be possible to work with this range? Would some modifications (that are not normally worth it) be possible?

Thanks a bunch,

- E*clipse
The input rectifier is just an array of diodes. You can pass DC straight through it, though there would be some loss. You can tap into the DC bus at the output of the rectifier before the PFC booster circuit. If you attache the panels here, the PFC can regulate it to fill the bus cap and maintain voltage.

I had planed the output to cover 12 to 400V like a Manzanita.

-Adam
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e*clipse (02-12-2013), thingstodo (02-16-2013)