DCFC chargers that work with 2019 Kona

Discussion in 'Hyundai Kona Electric' started by electriceddy, Apr 25, 2019.

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  1. BC-Doc

    BC-Doc Member

    Thank you Wayne and SkookumPete.

    @electriceddy:

    I connected using the Greenlots app on my phone. The nice part about the app was that I was able to plug in the DCCombo head as the car that was actively charging was using the Chadmo line. I was able to see when they finished in the app from the comfort of the restaurant kitty corner to the charger and hit start charging on the app.

    Now that I have pen and paper in front of me, I’ve calculated that my average rapid charging rate reached only 35.66 kW, approximately 29% less than the maximum 50kW speed for that charger. Is there someone I should be contacting at BC Hydro electriceddy? Thanks very much.

    BC Doc

    PS Yes, the charger you linked to is the one. The parking layout is less than ideal— there is room for two EVs to park side by side but the spots aren’t laid out properly (paint worn off, spot too small and straddles dirt). I pulled beside the charger in the alley to hook on which is suboptimal and only questionably legal in terms of local parking bylaw. I may reach out to City of Vernon after the long weekend to try and get it polished up.
     
    Last edited: May 18, 2019
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  3. Kitsilano

    Kitsilano Active Member

    There is a sign, "30 Minute Limit," at the BC Hydro DCFC at Wesbrook Village, UBC. Users observe this limit if someone is waiting.
     
  4. Kitsilano

    Kitsilano Active Member

     
  5. Kitsilano

    Kitsilano Active Member

    Charging rate is influenced by charge-level of the battery (and other factors). Today I charged from 13% to 80% in about one hour at the DCFC at Mission, BC. The charging rate at the beginning was 45 kW, but it was only 25kW near the end of the session. I've seen graphs showing a decline in charging rate as the battery charges, with a greater decline beginning at about the 70% level. Ambient temperature was 28 degrees.
     
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  6. BC-Doc

    BC-Doc Member

    Good to know Kitsilano. No such sign up in Vernon. People here seem to be hooking up to the charger then disappearing for errands (understandable). Return when app shows charge complete.

    I get the sense from the comments left on the apps that a small number of folks may be using the level 3 charger in Vernon as their primary charger (same people checking in over and over). It makes me wonder if level 3 chargers should be placed between cities/outside cities instead of in cities so that people who are travelling long distances are the people actually using them. Food for thought....
     
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  8. Kitsilano

    Kitsilano Active Member

    I later received email from Greenlots Team: "You have used 46.333 kWh for 1 hour 3 minutes."
     
  9. BC-Doc

    BC-Doc Member

    I received a similar e-mail from Greenlots:

    “Your vehicle has stopped charging at 33090, City of Vernon. You have used 31.504000 kWh for 0 hour(s) 53 minute(s). “

    So only charging at 70% of the charger’s 50kW speed.
     
  10. Kitsilano

    Kitsilano Active Member

    Hmm. So why the difference? Was it the difference in chargers, or cars, or ambient temperature, or what? The difference was 0.141 kWh/minute. Is that significant? Ambient temp at Mission was 28˚C. Do you recall what it was at Vernon?
     
  11. BC-Doc

    BC-Doc Member

    It looks like you pulled about 90% of the maximum charge rate at your charger. I wasn’t even close. Temperatures in Vernon was 15C. Too confirm, I’m charging a Kona.
     
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  13. XtsKonaTrooper

    XtsKonaTrooper Well-Known Member

    The best Level 3 ive been too. Has been a free (limited time) Petro Canada in Milton, Ontario. Started out @54 Kw, then within a few mins tapered down to 42kw.
     
  14. Kitsilano

    Kitsilano Active Member

    What was the battery's State of Charge (SOC) when you began that charging session?
     
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  15. Canada Dan

    Canada Dan Member

    I'm one of those frequent chargers. I charge in the evening and have have only come upon someone else using the charger once and have never returned to anyone waiting. I use it to get the usage numbers up in hopes that will encourage them to install another charger at that location (or another in town) for the reasons you mentioned in a previous thread. It's hard to consider a longer range trip when there is only one charger in most of the stops.
     
  16. Apparently its free (for now) at that 1 site. Hope they install the 175kW chargers at the remaining sites but if the machine works who's to complain.
    https://www.petro-canada.ca/en/personal/fuel/alternative-fuels/ev-fast-charge-network
     
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  17. BC-Doc

    BC-Doc Member

    Hopefully BC Hydro and the provincial government will step up and install more level 3 chargers quickly.

    I’m not sure if it’s because of the long weekend, but every time I drove past the charger site this weekend it had an EV parked.

    I’m with you— I would be leery about any long haul drips in my Kona given the risk of longish delays at the many single chargers.

    Cheers,

    BC Doc
     
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  18. Tried the Nanaimo Superstore charger today and can confirm it worked fine on our Kona, 40 %to 80% charge. Looks like the software patch was a success
     
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  19. XtsKonaTrooper

    XtsKonaTrooper Well-Known Member

    If memory serves me it was 12%
     
  20. Kitsilano

    Kitsilano Active Member

    Thanks, XtsKonaTrooper. Looks like decline in charging rate is already very noticeable at about 15% battery SOC.
     
  21. eastpole

    eastpole Active Member

    My understanding of lithium batteries is that the charge rate is fastest in the middle of the charge process. It will go slower at first (especially at low SoC), speed up for the bulk of the recharge, then slow again at the end (especially at high SoC). Bigger batteries flatten the graph, and the battery cannot charge as fast when either hot or cold.

    This article features the Ionic but not the Kona; I'd like to see that graph.

    https://insideevs.com/news/338777/lets-look-at-fast-charging-curves-for-popular-electric-cars/
     
  22. Here it is (10% SOC to 95% SOC):
    https://insideevsforum.com/community/index.php?threads/kona-electric-dc-fast-charge-speed.2925/page-2#post-61371
     
    XtsKonaTrooper, BC-Doc and eastpole like this.
  23. If that was you Wayne in the white Kona about 3 pm, thanks for the Plugshare check in update :
    https://www.plugshare.com/location/147203
    Didn't need a charge, just shopping.
     

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