Or one that uses a thermal cutout switch inside the core of the reel - I have one - but it is rather cheap and nasty and I would not trust it. For this reason and that of efficiency, I always fully unwind my long reel whenever I use it. MW
On 8 Jul 2013, at 16:43, Peri Hartman wrote: > One could design a reel ESVE that would not allow charging unless the cable > was fully pulled out. > > Peri > > -----Original Message----- > From: [email protected] [mailto:[email protected]] On Behalf > Of Evan Tuer > Sent: 08 July, 2013 8:09 AM > To: Electric Vehicle Discussion List > Subject: Re: [EVDL] Retractable Power Cord > > I wonder if liquid cooled cables will come (back) into fashion for high > power car charging cables.. This might actually make them smaller and > lighter, and would still work at full power when coiled up! > > > On Mon, Jul 8, 2013 at 2:03 PM, Lee Hart <[email protected]> wrote: > >> rayfellow wrote: >> >>> The trouble is power cords should not touch each other or cross over each >>> other because of heat. A friend burned his house down because of fire >>> caused >>> by overlapping power cords. I suspect manufacturers hesitate to offer >>> such >>> an item for fear of the liability. >>> >> >> I can second that. I know of a nice EV conversion where the owner used a >> cord on a reel for charging. There were plenty of warnings on the >> packaging; "unreel cord before use" etc. But he ran 10-15 amps through it >> to charge his EV with the cord still all reeled up. The cord melted, >> shorted out, and luckily tripped the breaker before a fire started. But > the >> cord and its reel were completely destroyed. >> >> It is *possible* to de-rate the cord enough so it won't overheat even if >> left coiled up. But I think you would wind up needing such an oversized >> wire that it would make the reel impractically large, heavy, and > expensive. >> >> They do make industrial-strength coil-cords. These would be a more >> practical way to make a self-coiling charging cord. _______________________________________________ UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub http://lists.evdl.org/listinfo.cgi/ev-evdl.org For EV drag racing discussion, please use NEDRA (http://groups.yahoo.com/group/NEDRA)
