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Old 12-08-2015, 09:09 PM   #2452 (permalink)
MPaulHolmes
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Join Date: Feb 2008
Location: Maricopa, AZ (sort of. Actually outside of town)
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Michael's Electric Beetle - '71 Volkswagen Superbeetle 500000
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Quote:
Originally Posted by thingstodo View Post
Looking forward to the firmware that recognizes the change in direction. I think I read somewhere above that you would add a couple of lines of code so that a car would not accelerate in reverse at a stop light
It's not a bug, it's a feature. haha

By the way, I've finally committed to a particular configuration for the cheap AC controller. It's really targeted toward the 50kW range. I found some 900v 50uF caps for $13 each. I can fit 7 or 8 of them depending on how they are arranged on the board. And they have some very nice 1200v TO-247 super and TO-264 PLUS igbts that are pretty affordable, that can handle 50 amps RMS easily. So, here's what I'm thinking. Assume people are willing to put, say, 350v worth of smallish batteries in their car, and then they can boost it to 700v. Then, the power and other stuff is as follows:

Code:
this crap was wrong before...  See below.
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Last edited by MPaulHolmes; 12-09-2015 at 11:38 AM..
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