Matthew Parkhouse, RNk hobomatt@ aol.com
On 28 Apr 2557 BE, at 22:40, "Roland" <[email protected]> wrote: > I have one of these step up units that has a input of 12 to 15 volts vdc and > has a output of 120 vac 60 hz. At 12 vdc input the ampere is 100 amps while > the 120 vac output is 10 amps which is 120 x 10 = 1200 watts. The dc input > is also 12 x 100 = 1200 watts. This is call a inverter. You then can > converted this to a DC voltage using a bridge. > > I do not use a 12 volt battery to power the inverter, the ampere would be too > high on the 12 volt side. I use a inverter alternator which can produce 7 kw > at 110 vdc which is inverted to 120 vac 60 hz at 5 kw and at the same time > charges a 12 volt deep cycle battery. This equipment is also used in > ambulances and utility vehicles. > > The pilot shaft of the motor runs the inverter alternator which only powers > the inverter under heavy load, when the main battery is disconnected from the > motor. Uses only kinetic energy under heavy loads when I am rolling down > hills or coasting to a stop. There is only a very light load to 120 vac 60 > hz to coolant pumps and fans that only take 0.5 amp per device when the EV is > moving on a level grade or up grade. > > It something like regenerative, except I save it a trip from going through > the main batteries and send the current directly to the accessories units. > > Roland > > > ----- Original Message ----- > From: Peter Eckhoff<mailto:[email protected]> > To: Electric Vehicle Discussion List<mailto:[email protected]> > Sent: Monday, April 28, 2014 6:24 PM > Subject: [EVDL] Converter Direction of flow > > > The converters that I see for EV applications have the output voltage at > 12 volts. > > What happens if you apply 12 volts to the output side, will that produce > 120 to 140 volts on the input side? or do you need a converter > specifically designed to go the other way? > > The idea is to take a 12 volt (or 24 volt) battery with high amphrs and > use the electronics to produce 120 volts at a tenth of the battery's > rated amphrs to run a 120 volt DC motor using lithium based batteries. > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: > <http://lists.evdl.org/private.cgi/ev-evdl.org/attachments/20140428/6fac4950/attachment.htm<http://lists.evdl.org/private.cgi/ev-evdl.org/attachments/20140428/6fac4950/attachment.htm>> > _______________________________________________ > UNSUBSCRIBE: > http://www.evdl.org/help/index.html#usub<http://www.evdl.org/help/index.html#usub> > > http://lists.evdl.org/listinfo.cgi/ev-evdl.org<http://lists.evdl.org/listinfo.cgi/ev-evdl.org> > For EV drag racing discussion, please use NEDRA > (http://groups.yahoo.com/group/NEDRA<http://groups.yahoo.com/group/NEDRA>) > > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: > <http://lists.evdl.org/private.cgi/ev-evdl.org/attachments/20140428/ede44170/attachment.htm> > _______________________________________________ > 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)
