Matthew Parkhouse, RN hobomatt@ aol.com
On 11 Jun 2556 BE, at 21:45, Bob Bath <[email protected]> wrote: > Okay, so the next thing is whether the voltage from the pack is getting > through the motor. We have motor windings that can burn out, and we have a > controller that can have a massive silicon failure. > Need to see what the potbox is doing too. Eventually, they lose their carbon > and give erratic readings (but you usually at least get _some_ vehicle > movement. You'd use your ohmmeter section for that. I'm guessing you have a > true RMS voltmeter? > > Thinking about converting a gen. 5 ('92-95) Honda Civic? See > http://home.budget.net/~bbath/CivicWithACord.html for DVD and tons more info! > ____ > __/__|__\__ > =D-------/ - - \ > 'O'-----'O'-' > Would you still drive your car if the tailpipe came out of the steering wheel? > OR Lic. "LCTRNS" > > > ________________________________ > From: 85VWCabrioletEV <[email protected]> > To: [email protected] > Sent: Tuesday, June 11, 2013 4:13 PM > Subject: Re: [EVDL] 85 VW Cabriolet Newbie, please help! m(_ _)m > > > Bob Bath wrote >> Going to need more info than that. >> - Pack voltage currently, vs. regular pack voltage >> the batteries have only been charged once with a Lester Electronics >> off-board charger. I was told a fully charged US-125 is about 6.3v >> 6.3x20=126v...but I just called American Battery in Hayward and they say >> 6.6-6.8v per cell. 6.7x20=134v >> this morning I was at 126.4v >> >> - Voltage of aux. battery/DCDC converter. >> >> When key is on, DC/DC converter is jumping 12v battery output to 14.1v >> >> - Is main contactor being pulled in when you power up the vehicle? >> >> Yes >> >> This will get us started. >> (;-p >> >> >> Thinking about converting a gen. 5 ('92-95) Honda Civic? See >> http://home.budget.net/~bbath/CivicWithACord.html for DVD and tons more >> info! >> ____ >> __/__|__\__ >> =D-------/ - - \ >> 'O'-----'O'-' >> Would you still drive your car if the tailpipe came out of the steering >> wheel? >> OR Lic. "LCTRNS" >> >> >> ________________________________ >> From: 85VWCabrioletEV < > >> sfnotecorp@ > >> > >> To: > >> [email protected] > >> >> Sent: Tuesday, June 11, 2013 1:31 PM >> Subject: [EVDL] 85 VW Cabriolet Newbie, please help! m(_ _)m >> >> >> Hi All, >> >> I spent a full 7 days in Santa Cruz last week working side by side with >> Mike >> and Shari at Electro Automotive to finish repairs on my 85 VW Cabriolet >> conversion. The good news is the vehicle was operating nicely when I left >> Santa Cruz on Saturday with the VW on a flatbed uhaul trailer. The bad >> news >> is that once I arrived in Los Angeles, I backed the VW off of the flatbed >> trailer, made two small circles in the parking lot, and proceeded to park >> the car. I then left the VW in the parking lot while I returned the uhaul >> trailer. When I returned to the parking lot to make the final 2 mile >> drive >> home in EV glory, the VW would not move an inch. >> >> m(_ _)m >> >> This is my first EV, and therefore I am hoping you experienced EVers can >> help me troubleshoot and isolate the problem..... Atleast the EV is home >> now thanks to AAA. >> >> Vehicle: >> 1985 VW Cabriolet >> 120 volt lead acid.... US battery US-125 ..... 20 6volt batteries >> Advanced DC 9" motor >> Auburn Scientific MPWC600 - water cooled controller >> Elcon DC/DC converter >> power brake booster >> >> Problem: >> As mentioned above, after backing vehicle off of flatbed trailer and >> parking >> for about 45 minutes, I returned to make final 2 mile drive home, but the >> EV >> would no longer move. I could here contactors close, and able to read a >> full >> voltage of 126v at the B- and B+ connections of the controller. I >> connected >> 12v Aux battery to A1 and S1 on motor to verify motor would still turn >> which >> it did. After some reading, I suspected the controller may have triggered >> itself into sleep mode due to pot box or abnormal voltage sensed by >> controller. I took ohm readings on 5k pot box which read 0 at one >> extreme, >> and 5.8k at the other extreme. I did not have time to work on car >> yesterday, so car sat for 24hrs with high voltage emergency disconnect >> switch behind driver activated and therefore cutting the traction pack >> from >> controller and motor. This morning I measured pre charge voltage at >> controller on B- and B+ on controller which showed 0 volts, so I closed >> the >> emergency disconnect, and turned key switch to on, and motor would turn >> while car was in neutral. I decided to drive the car and drove uphill >> (steep) 30 feet in my driveway. Since car was able to pull the hill, I >> coasted to bottom of hill and turned onto public street. As I accelerated >> more, the motor would cutout until I released accelerator pedal and then >> accelerate again, each time cutting out the motor after only slight >> acceleration. After maybe 5 or 6 attempts to gain speed, the controller >> and >> motor became completely un responsive again. Tried to zero out the >> precharge voltage and start over, but was unable to wake up controller. I >> am not certain if there is a reset procedure for the controller that I >> should be following...... after problem occurs and I activate manual >> disconnect switch, I still read 1.5 to 2 volts at B- /B+. The only >> difference I have found between Santa Cruz readings and Los Angeles >> readings >> is that when the traction pack is connected but the key switch is off I am >> now reading approximately 74.5volts, and in Santa Cruz when everything >> functioned normally, it would read approximately 81.5 volts. When key >> switch is turned on, it reads the full traction pack voltage of 126.4 >> volts >> both in LA and Santa Cruz. I notice as I type this that the difference in >> pre charge voltage is approximately 6 volts which may indicate a loose >> connection on 1 6v battery????? >> >> Please help.... and thanks in advance! Feel free to call :) >> >> Cheers, >> Scott >> 562 665 4541 >> feel free to call > >> sfnotecorp@ > >> >> >> >> -- >> View this message in context: >> http://electric-vehicle-discussion-list.413529.n4.nabble.com/85-VW-Cabriolet-Newbie-please-help-m-m-tp4663524.html >> Sent from the Electric Vehicle Discussion List mailing list archive at >> Nabble.com. >> _______________________________________________ >> 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) >> -------------- next part -------------- >> An HTML attachment was scrubbed... >> URL: >> <http://lists.evdl.org/private.cgi/ev-evdl.org/attachments/20130611/3c1713e0/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) > > > > > > -- > View this message in context: > http://electric-vehicle-discussion-list.413529.n4.nabble.com/85-VW-Cabriolet-Newbie-please-help-m-m-tp4663524p4663528.html > Sent from the Electric Vehicle Discussion List mailing list archive at > Nabble.com. > _______________________________________________ > 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) > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: > <http://lists.evdl.org/private.cgi/ev-evdl.org/attachments/20130611/2f7cf700/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)
