I'm not sure of the HP rating, but it draws 9-10 amps continuous at 240v, and surges up to 20+ amps briefly upon startup. I have a PowerJack 8000 inverter (more like a 3kW inverter that can handle a 5kW surge) to run it.
https://www.youtube.com/watch?v=J1rrgxM9Nn8&list=PLmHP4lUqxKmt2fgNM8CIAQ4CruRduhWx0 Jay On 8/20/19 4:02 PM, Robert Bruninga wrote: >> that can run my well pump (2.5 kW continuous, lots of surge draw)... > > I don’t have a well pump but a guy bought one of my 120:240 VAC > autotransformers (800W) and said his pump was only a 1/2 HP pump. So 800W > should do it. Even 1HP would only be under 1 kW. > > So 2.5 kW for a well pump seems large?, But then, I don’t have one. > > Bob > > -----Original Message----- > From: EV <[email protected]> On Behalf Of Jay Summet via EV > Sent: Tuesday, August 20, 2019 2:02 PM > To: [email protected] > Cc: Jay Summet <[email protected]> > Subject: Re: [EVDL] sources for 12vdc to 24vdc converters > > For a 1 kW home backup solution, it would probably be better to just use a > 12volt input inverter so your entire system could be 12v. > > There are a lot of 1-2kw inverters that operate on 12v input. 24 or 48v > input isn't really necessary until you get up into the 3-5 kW inverters. > > One less power conversion step, and you can use the vehicles' accessory 12v > battery as a "mini buffer" instead of having to have your own 24v buffer > battery. > > Having said that, I do have a 24v home backup power system, with an inverter > that can run my well pump (2.5 kW continuous, lots of surge draw), but I'm > taping my (130v) truck battery pack with a 500w DC2DC power supply that goes > from 130->24v to keep my 2kWh "buffer" battery topped up.] But since I have > a DIY conversion, access to pack voltage is easy, and it's in the right > range for the power supply I found [ Meanwell SD-500H-24] > > > [Alternatively, if you do have 2 EVs, you could use each vehicle to charge > one 12v battery, and then use those two 12v batteries in series to get 24 > volts, and have 2kW of input power....] > > Jay > > On 8/20/19 1:51 PM, Willie via EV wrote: >> >> >> On 8/20/19 12:17 PM, Lee Hart via EV wrote: >>> From: Willie via EV <[email protected]> >>>> Subject: [EVDL] sources for 12vdc to 24vdc converters Can anyone >>>> suggest? Looking for 1kw or larger. >>> >>> Seems like something you would be found for long-haul truckers. Many >>> of their accessories are 24vdc, but some truck only have 12v systems. >>> >>> How long do you need that 1kw of power? If short-term, how about two >>> 12v batteries in series? In a vehicle, one at a time could be charged >>> by the vehicle's 12v system. Use a switch or contactor to swap back >>> and forth, alternately charging one then the other, while the pair of >>> them continuously power the 24v load. >> >> 100% duty cycle. I'm exploring using Enphase M215 micro inverters >> powered from an EV's 12v DC-DC following this scheme: >> https://teslamotorsclub.com/tmc/threads/powerwall-2-0-backup-runtime-e >> xtender.126358/ >> >> and the suggestions of others here. >> >> This will be but a piece of a home backup power scheme. It can >> supplement a PowerWall or some other micro grid. Suggestions on other >> minimal micro grid schemes solicited. One attraction of the micro >> inverters is that they will semi-gracefully shutdown when demand is low. >> Also, the modularity. Not enough power? Just add another EV. >> >> I'm not sure the micro inverters (for 60 cell panels) will do well >> with 24v; I'm seeking an "upverter" with adjustable output. >> >> I haven't found specifications of the capacities of DC-DCs on various >> EVs. I suspect they will all supply at least 1 kw. >> >> Thanks! >> _______________________________________________ >> UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub >> http://lists.evdl.org/listinfo.cgi/ev-evdl.org >> Please discuss EV drag racing at NEDRA >> (http://groups.yahoo.com/group/NEDRA) >> > -------------- next part -------------- > A non-text attachment was scrubbed... > Name: pEpkey.asc > Type: application/pgp-keys > Size: 2448 bytes > Desc: not available > URL: > <http://lists.evdl.org/private.cgi/ev-evdl.org/attachments/20190820/c5a8b09f/attachment.key> > _______________________________________________ > UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub > http://lists.evdl.org/listinfo.cgi/ev-evdl.org > Please discuss EV drag racing at NEDRA (http://groups.yahoo.com/group/NEDRA) > -------------- next part -------------- A non-text attachment was scrubbed... Name: pEpkey.asc Type: application/pgp-keys Size: 2448 bytes Desc: not available URL: <http://lists.evdl.org/private.cgi/ev-evdl.org/attachments/20190820/17ae01c9/attachment.key> _______________________________________________ UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub http://lists.evdl.org/listinfo.cgi/ev-evdl.org Please discuss EV drag racing at NEDRA (http://groups.yahoo.com/group/NEDRA)
