I was just saying there is no need to speculate.It's just math and you can put a variable resistor in there and control the current flow while monitoring with a meter.
From: Bill Collins <ph...@bill-collins.net> To: paul dove <dov...@bellsouth.net>; ev@lists.evdl.org; ev-requ...@lists.evdl.org Sent: Tuesday, June 7, 2016 8:40 AM Subject: Re: [EVDL] Current limiting That would be an extremely short lived event. Once current starts to flow, delta voltage will decrease rapidly. > On June 7, 2016 at 9:33 AM paul dove <dov...@bellsouth.net> wrote: > > > Easy to calculate > V=IR or I=V/R > R should be very small in the case of connecting with wires or contactors etc. > So if the delta voltage is 2 volts and R=0.1 ohms I=20amps. > Easy to see that currents can get very high quickly as the delta V between > batteries grows. > A variable resistor could be inserted to control the current. > In the case of my care fully charge is 149.6 volts fully empty can be as low > as 110 volts. > delta V = 39.6 volts if R=0.1 ohms then I =396 amps a 500 ohm resistor drops > that to 80mA. > > > > From: Bill Collins via EV <ev@lists.evdl.org> > To: ev@lists.evdl.org; ev-requ...@lists.evdl.org > Sent: Tuesday, June 7, 2016 7:20 AM > Subject: Re: [EVDL] Current limiting > > The resting voltage of a lead acid battery is significantly lower than the > voltage required to charge it. For example: a fully charged 12 volt battery > has > a resting voltage of 12.6, but will not draw much current unless you apply > 13.5 > volts or so. This means that when you connect two batteries with different > states of charge, less current flows than many people think. > > Bill > _______________________________________________ > UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub > http://lists.evdl.org/listinfo.cgi/ev-evdl.org > Read EVAngel's EV News at http://evdl.org/evln/ > Please discuss EV drag racing at 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/20160607/7aa48c63/attachment.htm> _______________________________________________ UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub http://lists.evdl.org/listinfo.cgi/ev-evdl.org Read EVAngel's EV News at http://evdl.org/evln/ Please discuss EV drag racing at NEDRA (http://groups.yahoo.com/group/NEDRA)