ECN Electrical Forum - Discussion Forums for Electricians, Inspectors and Related Professionals
ECN Shout Chat
ShoutChat Box
Recent Posts
Any Woodworkers here?
by Bill Addiss - 05/16/21 12:27 AM
Your favourite food?
by Bill Addiss - 05/12/21 05:23 PM
Lock-down Thread
by gfretwell - 05/11/21 12:30 PM
Do You Travel?
by gfretwell - 05/11/21 12:16 PM
Just be aware of this...
by gfretwell - 05/10/21 07:30 PM
New in the Gallery:
2020 - 2021 Winter Project
Garden 2021
Who's Online Now
0 registered members (), 20 guests, and 16 spiders.
Key: Admin, Global Mod, Mod
Previous Thread
Next Thread
Print Thread
Rate Thread
Page 2 of 2 1 2
Re: Electric autos? [Re: sabrown] #195847 08/25/10 02:08 PM
Joined: Jul 2004
Posts: 9,623
G
gfretwell Online Content
Member
Shane, you are not a likely candidate for an electric car. These things may be able to do 70 MPH and they may be able to go 100 miles but not at the same time.
I keep trying to justify an electric car but I am retired in Florida and I don't really drive very far. Unfortunately that is what makes a regular car not be that expensive. I use a tank or two of gas a month. It will take a long time to pay for an electric car at that rate even if the electricity was free.


Greg Fretwell
Work Gear for Electricians and the Trades
Re: Electric autos? [Re: gfretwell] #195849 08/25/10 02:22 PM
Joined: Jul 2004
Posts: 783
L
LarryC Offline
Member
I am definitely interested in what temperature and time away from the charger does to battery capacity. How the New England cold affects the battery would be my main concern. Also, if the battery discharges to a lower limit, how long can it stay in that state until battery damage occurs?

Editted to remove unneeded statements.

Re: Electric autos? [Re: LarryC] #195851 08/25/10 07:35 PM
Joined: Feb 2003
Posts: 364
M
mbhydro Offline
Member
Ford among other manufactures have a real life
Canadian cold testing track way up north in Thompson MB.

It gets to -40 (before the wind chill) in the winter and the manufactures take prototypes there to see what happens as to what they think will happen.

Re: Electric autos? [Re: mbhydro] #195852 08/25/10 07:40 PM
Joined: Feb 2003
Posts: 364
M
mbhydro Offline
Member
With all the block heater outlets in the office parking lots tourists from the southern US think that Canadians have had electric cars for years.

At least once each summer I have to explain to some person what the plugs are used for.

Re: Electric autos? [Re: mbhydro] #195853 08/25/10 08:00 PM
Joined: Apr 2002
Posts: 7,261
HotLine1 Offline OP
Member
I would like to know the charging time requirements as a round commute trip would be real close to the 100 mile range. The range would probably be less, as most of my trip is highway speed(60-75 on good days)

Cost comparisons would also factor in, as I would have concerns of battery maintenance costs and life expectancy.

As my commute car was totaled last year, I weighed a Prius vs a standard Civic and the Civic now has 23k miles on it.



John
Re: Electric autos? [Re: HotLine1] #195867 08/26/10 02:01 PM
Joined: Mar 2005
Posts: 1,213
S
SteveFehr Offline
Member
Per this site, for the LEAF's 24kWh Li-ion battery:

Charging time: 16 hours at a 100V outlet, 8 hours at a 200V outlet

Fast-charging time: 30 minutes 0-80%

The sparky in the Nissan video looked to be pulling in #6 wire, but I'd imagine they have multiple options, depending on how much power is available, on down to a simple 15A plug. 24kWh would only take 2 hours if you could charge at 50A 240V. Now, one thing to note is that Li-Ion charge rapidly to 80%, but very slowly after that. They're also extremely sensitive to heat. If they get too warm during charge (or discharge), protective electronics have to STOP!! or risk causing thermal runaway and the battery turning into a big fireball. I've not heard of any particular issues with heat or cold beyond this, but much-abused cell phone Li-Ions only seem to last 2 years, so I'm wondering how Nissan thinks these will last 10 under similar abuse.

IIRC, the batteries last much longer (years/degradation-wise) if you don't discharge them below 30% or charge above 80%. Chevy Volt only uses about half the capacity of their battery for this reason- if Nissan does the same, then that 24kWh battery is really only ever going to need about 12kWh of charge, and you can cut estimated charging times in half.


Re: Electric autos? [Re: SteveFehr] #195868 08/26/10 05:38 PM
Joined: Mar 2005
Posts: 1,803
Alan Belson Offline
Member
...and the range. frown


Wood work but can't!
Re: Electric autos? [Re: gfretwell] #195871 08/27/10 01:57 AM
Joined: Aug 2009
Posts: 13
SactoCliff Offline
Member
Greg, I don't know if AV expects a cut. My guess is that the installer gets all of the money, because the installer is acting as an independent contractor, not an employee or a franchise operator.

AV may get their $ from Nissan, and possibly by charging for the installer training (on specifics of the charger, a 30A 120/240 circuit) and from selling (or leasing) the charger tester to the installer.

Cliff

Re: Electric autos? [Re: SactoCliff] #195887 08/27/10 04:49 PM
Joined: Mar 2005
Posts: 1,803
Alan Belson Offline
Member
Thanks for the info on charging Li-ions, Steve. I've been given an electric bicycle, in really good condition except the lead-acids are nadgered. Just the job for nipping down the bar or the baker's shop! I'm in the process of importing a set of Li-ions and a charger from the mnfr. in England and will bear in mind the 30% - 80% charge advice.


Wood work but can't!
Page 2 of 2 1 2

Featured:

2020 National Electrical Code
2020 National Electrical
Code (NEC)

* * * * * * *

2020 Master Electrician Exam Preparation Combos
2020 NEC Electrician
Exam Prep Combos:
Master / Journeyman

 

Member Spotlight
akmaster
akmaster
alaska
Posts: 74
Joined: June 2012
Show All Member Profiles 
Top Posters(30 Days)
Trumpy 18
Admin 10
Popular Topics(Views)
279,074 Are you busy
212,168 Re: Forum
199,192 Need opinion
Powered by UBB.threads™ PHP Forum Software 7.7.3