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Overnight Charging at Home

Discussion in 'Australia & New Zealand' started by brewster, Dec 29, 2016.

  1. brewster

    brewster Member

    Joined:
    Sep 6, 2012
    Messages:
    423
    Location:
    Portland. Vic. Australia
    I set my overnight charging to be done during off peak hours whenever I can.

    I have mine set to start charging at midnight with the car planned to be charged to the designated amount before 07:00 hrs, when off peak finishes. Up until last night, the car would always start charging at the designated 12:00 midnight and complete sometime thereafter. However, last night the car started charging at 5:40 am and completed at 6:10 am to the designated set point of 70% on this occasion. Only this one sample, so will be interesting to see if that repeats.

    Has anyone else noticed this behaviour? What do you see of the plusses and minuses of this scenario, should this become the default behaviour?


    See attached doc of recorded times when my car charges. I think you can easily see the period of charge on the graphs. :) The shaded area shows when peak electricity starts. (The 24th was off-peak all day of course).

    upload_2016-12-30_11-48-54.png
    upload_2016-12-30_11-49-6.png
    upload_2016-12-30_11-49-16.png
    upload_2016-12-30_11-48-23.png
     
  2. RichardMcN

    RichardMcN Member

    Joined:
    Mar 12, 2016
    Messages:
    603
    Location:
    Sydney
    Do you use the car's timer to set the charge time, or is it your household controller?

    I have at times found the car's timer to be unreliable, but did I really set it right ?????
     
  3. brewster

    brewster Member

    Joined:
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    423
    Location:
    Portland. Vic. Australia
    Just the car's timer.
    20161230_123153.jpg
     
  4. RichardMcN

    RichardMcN Member

    Joined:
    Mar 12, 2016
    Messages:
    603
    Location:
    Sydney
    No solar for us unfortunately due to the huge 108 year old gum tree next door, so we pay the extra 8c/kWh for greenpower and mostly fill the car from the off peak circuit (charger on right) which turns itself on at about 11:30pm, fortunately not relying on Tessie's timer!

    20161230_172422~01.jpg
     
  5. Mark E

    Mark E Member

    Joined:
    Jun 27, 2012
    Messages:
    722
    Location:
    Sydney NSW
    Mine is set to charge from 11pm onwards, and the charger itself is switched via a contractor when off peak is active. It's always started on time.
     
  6. meloccom

    meloccom Moderator Aus/NZ

    Joined:
    Feb 11, 2008
    Messages:
    1,488
    Location:
    Sydney Australia
    Something similar happened to me a few months ago although it was not the time setting but the Charge Current setting that was lost.
    It wasn't until I looked at the navigation app when I saw that the car thought it was in the middle of Morton National Park.
    I rebooted the screen and dash but it didn't update until I went for a short drive to allow the GPS to reset.
    No problems since then.
     
  7. brewster

    brewster Member

    Joined:
    Sep 6, 2012
    Messages:
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    Location:
    Portland. Vic. Australia
    Normal charge time overnight. Started at my set midnight.
     
    • Like x 1
  8. TesAus

    TesAus Member

    Joined:
    Mar 4, 2014
    Messages:
    865
    Location:
    Sydney, Australia
    Was there a software update download or install happening the night it started late?
     
  9. brewster

    brewster Member

    Joined:
    Sep 6, 2012
    Messages:
    423
    Location:
    Portland. Vic. Australia
    That's a good thought ... checked my software update, it was the 24th December.
     
  10. garyjac

    garyjac Member

    Joined:
    Jan 14, 2016
    Messages:
    422
    Location:
    Brisbane, Queensland
    I always let the off peak relay control the circuit for overnight charging and leave the car without a charging schedule at home.
     

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