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I'm a Convert to Departure Time Scheduling

PianoAl

Member
Dec 15, 2019
933
584
Far Northern California
I believe that most of us overestimate the dangers of having the car sit for a while with a high charge level. I'd even go further to predict that by the time our batteries degrade significantly, cars will have such improvements (range > 1,000 miles??) that we'll want a new car anyway.

Having said that, I now get a warm fuzzy feeling car because now that I've changed to departure time scheduling, the car sits at a lower SOC most of the night.

My off-peak time is midnight to 3 PM, and I used to set scheduled charging for 12:15 AM. Now, I set scheduled departure for 7:30 AM and have end of the off-peak time set around then also. Since I charge at 24 MPH and to 250 miles, the only problem would occur if the car had less than 70 miles in the tank when I plugged it in. That is, it would have to charge for more than 7.5 hours and therefore do some charging before midnight. We rarely get it down so low, and I'm figuring that if so, I'll remember to adjust things so that it doesn't start charging before midnight.

I haven't had any issues with the car charging as soon as I plug it in.

So: I'm a convert.
 

SageBrush

REJECT Fascism
May 7, 2015
12,560
16,586
New Mexico
I expect scheduled charging to get more sophisticated as demand grows.

E.g.,
From 9pm charge if carbon emissions are below C, cost is below Y, and SoC is below S
From 6am charge to final SoC before time T
 
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jj88

Member
May 20, 2019
24
17
Atlanta
When did this change to 'departure time'? For the last month (june), my wife had to go back into the office. So now she plugs it in, and I don't see what the screen says. But I plugged it in today at 6p - and it started charging right away. I guess I need to set it for 7am finish time, from 11pm start time. I only charge to 60% during the week, unless we need to drive further. But the old system was much better, for us low-chargers.
 

NATO

Member
Jun 21, 2021
106
72
United Kingdom
Just be aware that if you have scheduled departure enabled with the ‘off peak hours’ set it won’t use any power from the wall outside the off peak hours. Not a big deal but just FYI in case you have the car plugged in and expecting it to use the power from the wall to run the A/C for cabin overheat protection or if manually enabled before setting off on a journey
 

PianoAl

Member
Dec 15, 2019
933
584
Far Northern California
We rarely get it down so low, and I'm figuring that if so, I'll remember to adjust things so that it doesn't start charging before midnight.
The other day I failed to remember, and it started charging at 11 PM (an hour at .44/kWh).

If I were designing it, I'd let the user enter start and stop times for the off-peak hours, and when appropriate, a warning would appear: "With your current settings, charging will start before your off-peak time." OSLT.
 
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