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Leaf Comes Home

Discussion in 'EV (Electric Vehicle) Discussion' started by DaveinOlyWA, Jan 19, 2011.

  1. Tideland Prius

    Tideland Prius Moderator of the North
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    Congrats!!
     
  2. fuzzy1

    fuzzy1 Senior Member

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    Does the charger include a timer for delayed recharge start? Or a user-settable charging rate (e.g. full rate, 80%, 50%, etc.)? Or best of all, a feature to program the charge start and end time, and it automagically computes a profile to uniformly spread the process out over the whole available time at a reduced power level?

    All of these functions will eventually be needed to cut the legs out from under the anti-EV alarmists who are complaining about what recharging could conceivably do to the electric power grid. The sooner, the better.
     
  3. DaveinOlyWA

    DaveinOlyWA 3rd Time was Solariffic!!

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    U can set charge to 100% or 80%. U can set an end time or a start time but not both.

    For example. If u set an end time and the car determines it needs x amount of time to charge it will start accordingly.

    For tou electric customeres this is crtical
     
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  4. austingreen

    austingreen Senior Member

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    Congratulations on your new car. I'm sure you'll love it. I hate that the power cord has the "brick" so close to the outlet, but you proved again how useful bungee cords are ;-)

    Is there guidance about extra battery life if you only charge to 80%? Do you know how low the system allows the batteries to discharge?
     
  5. drees

    drees Senior Member

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    No - there is no configurable charge rate - it only charges at 100% - on the portable 120V EVSE, it will pull just under 12A. On a 240V EVSE, it will pull just under 16A.

    It would be nice to be able to tell it to "spread the load" out as in theory resistive losses should be lower.

    Not really - Nissan only says that it will extend the life of the pack. There are no specifics.

    Until they're empty. :) Nissan again gives no specifics on how low you can really push the pack - but presumably they've engineered it to prevent you from damaging it by really running out of juice. It goes into "turtle mode" when the pack is very, very close to empty to help you avoid damaging the pack while giving you some power to get off the road safely.
     
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  6. Orange Crush

    Orange Crush New Member

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    Please post more pics of your leaf. I got one on order and am now contemplating waiting for the Tesla Model S. Keep us posted on your thoughts about your Leaf. Congrats!
     
  7. DaveinOlyWA

    DaveinOlyWA 3rd Time was Solariffic!!

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    ok. any special pics you are interested in let me know.

    just some general insights keeping in mind i have only had it a week and am still learning stuff (would be quicker if i read the manual and one of these days i might get around to it)

    its quiet, but you already knew that. drive mode is sneaky fast especially at speeds under 40 mph. the very low center of gravity allows the car to corner like a go-cart so its kinda like a mini-sports car for the "under 50 mph" crowd.

    despite having the "eco design" package, the car does not stand out. i have only been recognized by two people, one a fellow EV'er i happen to pass by the other day and the 2nd a little old lady (hispanic) with an accent so strong i barely understand her. she was parked next to me at the store about an hour ago and was putting her mother in the car to leave when i pulled up.

    i think if she had not "heard what she did not hear" she might not have known it was electric because after confirming that fact with me, she asked how much gas it used...oh well, cant will em all
     
  8. ItsNotAboutTheMoney

    ItsNotAboutTheMoney EditProfOptInfoCustomUser Title

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    I also wonder if that's because it helps slow degradation or because people being used to 80% charge won't notice the degradation. :p
     
  9. DaveinOlyWA

    DaveinOlyWA 3rd Time was Solariffic!!

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    there is a guy in so cal who will be testing the limits of the battery pack. he has a daily 70+ mile commute mostly freeway speeds which means he is probably at 80-90% of his battery capacity now.

    if there is significant degradation of range, he will see it. so we will just have to keep tabs on him. i dont expect him to go anywhere as he is one of the more active members of the mynissanleaf.com board.
     
  10. bisco

    bisco cookie crumbler

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    a little old lady was putting her mother in the car?:D
     
  11. drees

    drees Senior Member

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    Storing lithium batteries at high charge levels increases the rate at which they degrade, so it's just another trick to improve battery life if you find you rarely need a full charge.

    The Tesla Roadster does the same thing, except that a regular charge only charges to about 80% and you have to enter a special "max range" mode to charge up to 100%.
     
  12. TonyWilkey

    TonyWilkey Member

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    Congratulations!. Do you know if there are temperature restrictions on charging the Leaf battery? I have done a bit of searching and haven't found any information. Most regular Lithium Ion batteries restrict charging temperatures to 0C-40C.

    Thanks,
    Tony
     
  13. DaveinOlyWA

    DaveinOlyWA 3rd Time was Solariffic!!

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    Carwings is a service that allows you to compare your performance with other Leaf Drivers around the world. not a lot of data for me yet since my Carwings had hiccups on launch and i only got online yesterday, but here is my performance for errands ran this morning
     

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  14. DaveinOlyWA

    DaveinOlyWA 3rd Time was Solariffic!!

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    The Leaf temperature range is pretty good. they prefer you charge at higher than -40º C. they did cold winter testing in Norway during the development process
     
  15. SageBrush

    SageBrush Senior Member

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    Dave, did I miss information from you about charging efficiency ?
     
  16. usbseawolf2000

    usbseawolf2000 HSD PhD

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    Very impressive. You averaged 182 Wh/mile. Do you have an average speed for that 12.8 miles trip?
     
  17. DaveinOlyWA

    DaveinOlyWA 3rd Time was Solariffic!!

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    actually i still have not found a way to really determine that number. the problem is my current inability to determine what range i am gaining from regen which would lower my apparent charging efficiency #'s. now carwings is supposed to be able to break down what i used from accessories, climate control, etc. so hopefully with this info, i will be able to figure it out.

    now for thumbnail purposes, i am averaging 3-3.45 miles per KWH from the wall and 4-4.8 Kwh on the car which is independent of carwings. now most on the Leaf board say that carwings over-inflates their numbers so not sure what they are tracking unless its only counting power to the wheels and excluding climate controls and accessories?

    hard to say. its all in town at mostly 35-40 mph. its a bit delayed because i have actually driven 20.3 miles today. but its just dropping Ry off at school. run to grocery store, etc.

    getting ready to go meet Joe (he is pluginolympia.com owner) so we will see what it says later tonight.
     
  18. That_Prius_Car

    That_Prius_Car Austin Kinser

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    I'm so happy for you!
    Ever since Brad got his Volt, I want a Leaf. I'm getting a job that pays well so hopefully Braders can help me out.

    : B
     
  19. DaveinOlyWA

    DaveinOlyWA 3rd Time was Solariffic!!

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    more screen shots from Carwings. the first is breakdown of power used and generated.

    the next one is a breakdown on a "trip" basis. On the trips were Zero miles were driven, i was turning on car to check the mileage and reset trip counters... didnt know they tracked EVERYTHING.

    But this does illustrate the main reason why so many people get such poor mileage. sure we have those 26 mile freeway jaunts, but most of our lives are the little 3-5 mile trips from one errand to another. this is where EVs will shine!

    what we see here is me doing various errands on Thurs the 27th and SO taking Leaf to Centralia. i dont have a huge requirement for heat and most of driving is during warmest part of the day which makes it that much warmer.

    the 28th is the single trip with the short bookend trips, dropping Ry off to babysitter before freeway jaunt to work. She requires a LOT of heat (mostly because she does not wear a coat, even in Winter. why?? i dont know. i often wondered since she always complains about being cold, but she would rather be cold than wear a coat that does not match her outfit...)

    now car is still charging from last night, but the 27th i put 15.20 KWH from the wall. and chart from the 27th says engine used 11.8 and accesories used .7 for total of 12.5 KWh. now climate controls is listed separately in the car, but not here (at least i cant find it yet) so have to guess some went for that. i did not use it much, but in Western WA, defrost is unavoidable.

    will post further findings as i get them
     

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  20. Tideland Prius

    Tideland Prius Moderator of the North
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    Cool! Thanks for the update! EVs will definitely help with the short jaunts to the store, school and other errands done during the weekday.