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  1. Technical Discussion
    Hello everyone. I am working on building a custom power stage for an electric vehicle meant to compete in several competitions. One of my teammates is working on the controller that will be generating the three PWM signals which I need to amplify to control 3 half bridges using high voltage...
  2. All EV Conversions and Builds
    Hello; I'm just getting started with the electric car scene. I've always been interested in making bikes, go karts, and my own vehicles for a while though. Although I've always planned on using small gas engines. Even though whenever I'd ride or walk through the city I'd curse everyone who...
  3. eBay EV-Related Auctions
    I found a source for some small DC motors as well as many three phase AC motors from 1/2 HP to 60 HP at very attractive prices. http://stores.ebay.com/Sunnking/_i.html?_nkw=motor&submit=Search&_sid=1667884 Here is another one that I'm watching. It's a 7.5 HP 200V 1760 RPM motor for $50...
  4. Non Road Going Vehicles
    I thought I had a thread here on my electric riding mower project, but apparently I only briefly mentioned it in my introductory post, and then posted some pictures, videos, and information in various places. I have a more complete thread at http://www.mytractorforum.com/showthread.php?t=230278...
  5. Controllers
    I have been looking for a 5HP 230V VFD controller to use on my tractor project, and I found this on eBay: http://www.ebay.com/itm/370801105848 It seems like a good deal, even if I might only use it for the parts. Supposedly it is a working unit, but I can't find any manuals or information on...
  6. New Member Introductions
    Someone on the sci.electronics.design newsgroup suggested this forum. I have for a long time been interested in EVs and hybrids, and I have started by converting a stripped-down riding mower and using a 2 HP three phase induction motor, with a standard VFD, using 320 VDC which I obtain from a 17...
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