And if you plug them in the same phase then you get 0V... Cor van de Water Chief Scientist Proxim Wireless Corporation http://www.proxim.com Email: [email protected] Private: http://www.cvandewater.info Skype: cor_van_de_water Tel: +1 408 383 7626
-----Original Message----- From: [email protected] [mailto:[email protected]] On Behalf Of Nathan Loofbourrow Sent: Thursday, March 28, 2013 5:26 PM To: Electric Vehicle Discussion List Subject: Re: [EVDL] Best J1772 deal, Re: chargers in parallel Exactly. So on two 20A circuits it provides 240V/20A (provided they're on opposite busses). n On Mar 28, 2013, at 20:19, "Cor van de Water" <[email protected]> wrote: > The device claims to have no step-up transformer, so I am > led to believe that it has two 120V input cords to combine > (using relays for a shock-free experience) both into the > 240V output. > > Cor van de Water > Chief Scientist > Proxim Wireless Corporation http://www.proxim.com > Email: [email protected] Private: http://www.cvandewater.info > Skype: cor_van_de_water Tel: +1 408 383 7626 > > > -----Original Message----- > From: [email protected] [mailto:[email protected]] On > Behalf Of Lawrence Rhodes > Sent: Wednesday, March 27, 2013 9:25 PM > To: [email protected] > Subject: Re: [EVDL] Best J1772 deal, Re: chargers in parallel > > That device will not give you 30 amps. Maybe 7 amps at 240vac. You > really need > the two mains to get the amps. This is a simple voltage converter. > Lawrence > Rhodes..... > > From: Nathan Loofbourrow <[email protected]> > To: Electric Vehicle Discussion List <[email protected]> > Subject: Re: [EVDL] Best J1772 deal, Re: chargers in parallel > Message-ID: <[email protected]> > Content-Type: text/plain; charset="us-ascii" > > Sounds like what this device does: > http://www.quick220.com/220_volt.htm > > On Mar 27, 2013, at 19:45, "Cor van de Water" <[email protected]> wrote: > >> That is *certainly* a way to create life-threatening situations! >> A somewhat acceptable way to create a 240V circuit using two >> independent 120V branches is to use single pole relays that pull >> in after you plugged in the socket and an additional 240V relay >> that drops out as soon as one of the two plugs is removed. >> Each 120V relay is powered from one 120V plug and its NO contact >> makes contact between incoming AC and one of the outgoing phases >> but one of the outgoing wires is also interrupted by the NO >> contact of a 240V relay that will drop out as soon as one of the >> incoming 120V plugs is pulled, so the load does not continue to >> hold one 120V relay with the 120V from the other leg. >> NOTE that the 240V relay must have a lower current rating than >> the min hold current of the 120V relays. >> >> No doubt there are other circuits to protect this kludge, but it >> is best to simply use a 240V outlet! > _______________________________________________ > 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) > > _______________________________________________ > 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) > _______________________________________________ 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) _______________________________________________ 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)
