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High regeneration vs Low

8148 Views 15 Replies 9 Participants Last post by  McRat
Seems to me that when highway driving (NOT city driving) it shouldn't make much difference which mode you're in. My (admittedly weak) grasp of physics tells me that if a certain mass has to be brought to a stop in a certain place, high regeneration will require power until close to the stopping point, then lots of regeneration will occur over a short time when the right foot lifts.

With low regeneration you take your foot of the "gas" earlier, so you have low regeneration but for a longer time. My guess is the result should be the same amount of juice fed back to the battery.

This argument assumes no use of the brakes, of course, until the stop is made. And it would not apply in stop and go traffic where you can't take time to anticipate a stop.

Anyone with a better scientific background care to comment?
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The nice thing about high regen is that, when you need to panic stop, you have a lot of braking happening before you even reach the brake pedal. I consider this safer. The bad parts are that, when switching back and forth between ICE and EV, you'll expect or not expect the regen braking. It gets confusing and cuts smoothness. Also you have to have more constant pressure on the pedal. Replacing the return spring with a lighter one might make the driving physically easier.
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I can't wait for fully autonomous systems to roll out because it can help to optimize range by factoring in more than what we can and doing it faster than we can.
You'll have plenty of time to wait. Antici...
Why get the i-pace if you don't like driving? May as well get the Model X then.
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