I feeling both ways and would not call you an alarmist. The two things I worry most about are the controller going full on when it burns out ( critis did this to me twice but dcp has got this covered) and sombody getting shooked. Has anybody worked on a GFI (ground fault ?) that could be ajusted . The one's from the store are a little to senitive (dirty bats set them off) also need somthing to handel 240 v 40 amps (or 20) . I put a 72v industrial charger in a car i did and found it used the same power to charge the 12 6v bats as a bad boy did to charge 20 6v (but I didn't lose any sleep over that one). after years of bad boys I'm getting a PFC-20 ( and If the guy who's car I'm converting dosen't like it I'll keep it) . Won't need isolation when I run it on my solar pannels . What is the point of the power com grounding to ground anyway ? (first thing we learned at school was to take the ground pin off plug of scope) ----- Original Message ----- From: "David Roden (Akron OH USA)" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Wednesday, October 09, 2002 7:15 AM Subject: Re: Yet another charger question
> On 7 Oct 2002 at 19:58, Patchem, Eric EM2 wrote: > > > Most of the Industrial > > chargers I have worked on (up to 96 volts) all had some form of isolation > > device. > > Some EV hobbyists would rather put their money into tire-burning batteries, > controllers, and motors than into safely isolated chargers. > > There are several people on this list who call me an alarmist, and they may > be right. But I'm concerned that every non-isolated charger installed in an > EV increases the risk of a tragic event, like the electrocution of a young > child. > > If that were to happen, apart from the awful nature of the death, it would > be a significant setback for EVs in general. It would be one more point for > the anti-EV lobby to use in building fear of EVs -- how many of us have had > people ask "Don't you get shocked when it rains?". Such an event could > easily result in legislation negatively affecting hobbyist EVs, at least in > some areas. > > For the sake of everyone's safety, including your own: if you elect to use a > nonisolated charger, such as a BC-20 or one of Rich's high-power PFC models, > please add an isolation transformer. Or wait until Rich develops an > isolated model. > > > = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = > Want to unsubscribe, stop the EV list mail while you're on vacation, or > switch to digest mode? See http://www.evdl.org/help/ > = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = > David Roden - Akron, Ohio, USA > 1991 Solectria Force 144vac > 1991 Ford Escort Green/EV 128vdc > 1970 GE Elec-trak E15 36vdc > 1974 Avco New Idea rider 36vdc > = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = > Thou shalt not send me any thing which says unto thee, "send this to all > thou knowest." Neither shalt thou send me any spam, lest I smite thee. > = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = > >
