Re: Regen (again)

["Bill Dube'" <bdube@BOULDER.NIST.GOV>]

>It seems that for road controllers the cost seems more affected by peak
>current then peak KW. A 30KW industrial drive puts out about 100A.( Of the
>top of my head.) With any reasonable pack voltage 100A is just too light. I
>am sure it could be done but lets stay to the practical not the exceptional.
>I would say one needs at a minimum 150A. Most IGBT's ar $/Amp because most
>are rated for 600V.
>
>
>EMS controllers makes a nice controller and motor package for a decent
>price. Bob Gruenwald is the guy for that. Brusa makes a nicely integrated
>package if you have a light car and pack. There are those on the list that
>actually have installed them in conversions and like them too. EMS is the
>only AC controller that will please the "tire smoke Boys"  An AC motor can
>be had for cheap if you want surplus. the rewind will cost $500-700.....

    Tell us more. What do industrial VFD motors cost? Is it practical to
build an EV drive system from industrial VFD components?


 Bill Dube'

 bdube@boulder.nist.gov

Re: Regen (again)