jjeff
Posts: 1187
Joined: Wed Jan 13, 2016 9:10 am
Delivery Date: 13 Jul 2014
Leaf Number: 422121
Location: MSP MN

Re: Charging while driving

Fri Jan 20, 2017 7:06 am

Sorry, WAF=wife acceptance factor :lol: don't see it used much around here but other forums I see it more.
No you don't need one of those fancy/expensive sine wave generators, just a decent regular one will work. Earlier on at MNL people were talking about using generators to charge on the fly, I believe the only issue might be the floating or non bonded ground?? that required you to make a plug that bonded the neutral to ground. I think some people were trying the neutral directly to the ground and others were using a resistor of some particular value but ya they were just using run of the mill generators. Apparently if you didn't bond the neutral and ground your EVSE would trip out with a error code. I purchased a new 7.2kw generator from Costco a few years back(~$600 I believe) which ran not only on gas but also propane. It's 240v L14-30 would charge my Leaf at it's maximum 6.6kw, I was going to try and figure out how to convert it to run on natural gas instead of expensive propane by either swapping out or drilling the orifice larger, then I was going to use it to also power my house during a power outage. Unfortunately I never got around to it and there it sits :( I figured it was too heavy to carry on a receiver rack but it was also a bit heavy for even 2 to lift in and out of the hatch area but that was the idea. Then I was thinking about a 120v Honda type portable generator, less than 50 lbs and easily liftable by one person, problem was they only put out ~15a @ 120v which would only run the factory EVSE which as you know would be woefully slow to charge on the go. Then I thought of getting 2 and trying to hook them together for 240v, albeit only @ 15a but none allow you to run them in series, many allow parallel operation for double the amps @ 120v but not 240v. Add to that the cost of ~$1000 each and I gave up on that idea and just use my Leaf for what it was intended and in cases it won't work I use my wifes Prius. It gets ~50 mpg on the road so it's not like I'm burning that much gas.

Oh and I didn't realize the Volt required the engine to run to get heat :( that would require gas for almost 6 months of the year around here but it sounds like the new Prius Prime(PHEV) uses a very efficient heat-pump heater to allow heat while only on battery, albeit down to ~ 20 degrees. I wonder if the new improved Volt might use a similar heat pump heater or if not maybe they've installed a restive type heater for EV use? I would also not want a EV type vehicle that didn't also allow some sort of heat while just on the battery.
2012 SL purchased used 2/'16
2013 S w/QC purchased new
Juicebox Premium 60a L1/L2 EVSE, Ebusbar 16a L1/L2 EVSE
'12 EVSEupgrade'd 20a L1/L2 EVSE, '13 EVSEupgrade'd adjustable 6-20a L2, 6-13a L1 EVSE
Zencar 13, 20, 30a L1/L2 portable EVSE
GE Durastation 30a

arnis
Posts: 681
Joined: Sat Jan 23, 2016 3:21 pm
Delivery Date: 23 Jul 2014
Leaf Number: 015896
Location: Estonia, Europe

Re: Charging while driving

Fri Jan 20, 2017 7:37 am

Not a single PHEV requires engine running to get heat.
http://gm-volt.com/2010/12/09/the-chevr ... explained/

Otherwise preheat would not be possible.
I suspect Volt's electric heater is much weaker. Most likely no more than 3kW.
Short range EVs <30kWh -- Medium range: 30-60kWh -- Long range: >60kWh
Charging: Trickle <3kW -- Normal 3-22kW -- Fast 50-100kW -- Supercharging >100kW

jjeff
Posts: 1187
Joined: Wed Jan 13, 2016 9:10 am
Delivery Date: 13 Jul 2014
Leaf Number: 422121
Location: MSP MN

Re: Charging while driving

Fri Jan 20, 2017 8:08 am

arnis wrote:Not a single PHEV requires engine running to get heat.
http://gm-volt.com/2010/12/09/the-chevr ... explained/

Otherwise preheat would not be possible.
I suspect Volt's electric heater is much weaker. Most likely no more than 3kW.

Thanks for clarifying, do you know if the Volt uses a heatpump for heating and cooling like the Prius Prime(or Leaf SV/SL for that matter)?
Note I could have sworn when I test drove a Ford Cmaxx PHEV several years ago it required the ICE to be on while heating :? for sure the one I test drove in the winter did as I remember asking the sales guy why the ICE never shut off and he said it was because the heat was on.....now maybe he didn't know what he was talking about(wouldn't be the first time ;) ) or maybe it was due to the battery being too cold?? I remember it was a bitter day, single digits as I recall.
2012 SL purchased used 2/'16
2013 S w/QC purchased new
Juicebox Premium 60a L1/L2 EVSE, Ebusbar 16a L1/L2 EVSE
'12 EVSEupgrade'd 20a L1/L2 EVSE, '13 EVSEupgrade'd adjustable 6-20a L2, 6-13a L1 EVSE
Zencar 13, 20, 30a L1/L2 portable EVSE
GE Durastation 30a

arnis
Posts: 681
Joined: Sat Jan 23, 2016 3:21 pm
Delivery Date: 23 Jul 2014
Leaf Number: 015896
Location: Estonia, Europe

Re: Charging while driving

Fri Jan 20, 2017 2:21 pm

There is no heat pump on Volt. I'm surprised that Prius has it :o
Short range EVs <30kWh -- Medium range: 30-60kWh -- Long range: >60kWh
Charging: Trickle <3kW -- Normal 3-22kW -- Fast 50-100kW -- Supercharging >100kW

jjeff
Posts: 1187
Joined: Wed Jan 13, 2016 9:10 am
Delivery Date: 13 Jul 2014
Leaf Number: 422121
Location: MSP MN

Re: Charging while driving

Fri Jan 20, 2017 3:36 pm

arnis wrote:There is no heat pump on Volt. I'm surprised that Prius has it :o

Yes it's a feature many had wanted and Toyota gave it to them :)
Read the top post and another a little more than 1/2 way down the page(by SageBrush) which explains the Prius Prime heater.
viewtopic.php?f=10&t=20455&start=120
Unfortunately no way on this forum(that I know of) to link to a specific post, just a specific page.
2012 SL purchased used 2/'16
2013 S w/QC purchased new
Juicebox Premium 60a L1/L2 EVSE, Ebusbar 16a L1/L2 EVSE
'12 EVSEupgrade'd 20a L1/L2 EVSE, '13 EVSEupgrade'd adjustable 6-20a L2, 6-13a L1 EVSE
Zencar 13, 20, 30a L1/L2 portable EVSE
GE Durastation 30a

arnis
Posts: 681
Joined: Sat Jan 23, 2016 3:21 pm
Delivery Date: 23 Jul 2014
Leaf Number: 015896
Location: Estonia, Europe

Re: Charging while driving

Fri Jan 20, 2017 4:40 pm

jjeff wrote:Unfortunately no way on this forum(that I know of) to link to a specific post, just a specific page.


Click on the date. It will change the address. Copy that.
Short range EVs <30kWh -- Medium range: 30-60kWh -- Long range: >60kWh
Charging: Trickle <3kW -- Normal 3-22kW -- Fast 50-100kW -- Supercharging >100kW

jjeff
Posts: 1187
Joined: Wed Jan 13, 2016 9:10 am
Delivery Date: 13 Jul 2014
Leaf Number: 422121
Location: MSP MN

Re: Charging while driving

Fri Jan 20, 2017 8:34 pm

arnis wrote:
jjeff wrote:Unfortunately no way on this forum(that I know of) to link to a specific post, just a specific page.


Click on the date. It will change the address. Copy that.

Sweet, thanks 8-)
viewtopic.php?p=481216#p481216
2012 SL purchased used 2/'16
2013 S w/QC purchased new
Juicebox Premium 60a L1/L2 EVSE, Ebusbar 16a L1/L2 EVSE
'12 EVSEupgrade'd 20a L1/L2 EVSE, '13 EVSEupgrade'd adjustable 6-20a L2, 6-13a L1 EVSE
Zencar 13, 20, 30a L1/L2 portable EVSE
GE Durastation 30a

monsterleaf
Posts: 6
Joined: Mon Feb 20, 2017 5:52 pm
Delivery Date: 21 Feb 2017
Location: Derby England

Re: Charging while driving

Sat Mar 04, 2017 5:13 pm

how about this?

Buy a 7kw generator and put it in the boot. bolt it to the floor of the boot and cut holes for exhaust, power out, breather for fuel tank etc.
We can't use the onboard charger because nissan have programmed it not to work when driving, therefore we have to splice into the main HV lines from the battery. https://www.youtube.com/watch?v=UcGoSO_uRXs
The generator would need to be modiffied to make 360v. this could be done by hacking the engines' governer to make it run faster.
The voltage regulator of the alternator would need to be hacked also to control the charging voltage to match the varying pack voltage during driving.
This could be done with with a potential divider over the volt sense wire to the regulator circuit. - maybe controlled by a pot accessible to the driver?
Alternatively you could use an electric furnace controller (ive charged ebike batteries with these) http://www.ebay.co.uk/itm/AC-220V-5000W-SCR-Voltage-Regulator-Speed-Controller-Dimming-Dimmers-Thermostat-/222172830336?hash=item33ba885a80:g:Fp0AAOSwbYZXdkHE

The output of the generator would be bridge rectified to make rough DC and could be feed straight into the splice in the battery connection.
the battery will smooth out all the peaks in the DC.

You would have to start the generator after you switch on the car and remember to switch off the generator before you switch off the car or You would have the same issue as leaf xpack (@4:19) https://www.youtube.com/watch?v=6Zivzvh9Bx0. (this could be controlled electronically)

With 7kw you could drive 40mph with out discharging the battery.
A 7kw genset can be had for under a £1000 but buying a PHEV like the volt costs big money.
you could save £5k by doing this over buying a volt.
Also it would help extend the life of your battery pack if degredation was starting to affect your commute.

monsterleaf
Posts: 6
Joined: Mon Feb 20, 2017 5:52 pm
Delivery Date: 21 Feb 2017
Location: Derby England

Re: Charging while driving

Sat Mar 04, 2017 5:20 pm

....Of course if someone could hack the leaf to accept a charge while driving, we could all just do this https://www.youtube.com/watch?v=supALdCIRJI

User avatar
IssacZachary
Forum Supporter
Posts: 348
Joined: Fri Jan 13, 2017 9:57 am
Delivery Date: 15 Nov 2016
Leaf Number: 420789
Location: Gunnison, CO, USA

Re: Charging while driving

Sun Mar 05, 2017 11:55 pm

From the looks of it, if you tap into the 400V lines like in the Nissan Extender above and put on an AC to DC converter, like a Brusa charger or two or three, and then use an AC generator in a basket behind the Leaf or on a trailer, well that just might work.
2013 SL, 40,000 miles, 12 bars.

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