Tooney

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With recup on, whenever you take the foot off the go pedal, the car WILL slow down. If you wanted the car to slow down anyway, then recup is not losing you anything. However, if you slow down any more than you wanted, then you are expending more energy to get back up to speed than if you had not recuped in the first place, and instead had coasted.

Does that make sense?

PS Range mode turns off recup by default, which tells you something about what Porsche thinks is most efficient.
Yes, it makes sense.
Another thing I think I learned - from reading the owner's manual - is that apparently switching recup (off, on, auto) controls what Porsche calls the overrun recuperation which starts when accelerator is released, as opposed to the braking recuperation. Not having a Taycan yet, I'm assuming from that manual language that braking recuperation is always active.
Thanks again for the info.
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JimBob

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Porsche has covered this in several publications. For maximum range their strategy is to prefer coasting when in Range mode hence recoup is turned off. And the car really is optimized for coasting. You can easily demonstrate this. Put the car in Range mode than get behind someone in traffic when they are slowing down but not braking. The Taycan when coasting will close the distance with the car in front very quickly. It really does like to coast.

When doing lots of driving with changing speeds recoup on will recover some of the energy lost due to slowing.

And if you have the car on cruise control with recoup off, it will still use recoup to slow the car if the speed is too far above the cruise control setting such as when going downhill.

And be aware that recoup on auto will sometimes not work depending on driving conditions which could surprise you. This is in the manual.
 
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submatrix

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Yes, it makes sense.
Another thing I think I learned - from reading the owner's manual - is that apparently switching recup (off, on, auto) controls what Porsche calls the overrun recuperation which starts when accelerator is released, as opposed to the braking recuperation. Not having a Taycan yet, I'm assuming from that manual language that braking recuperation is always active.
Thanks again for the info.
Correct, recup always happens when you press the brake pedal, and the way it feels and behaves is unchanged by the Recuperation on/off/auto setting afaik. The setting controls what happens when you take your foot off both pedals.
 

JonS1234

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Thanks for your reply.

I understand that if a driver enables recuperation and alters his driving habits such that he brakes more often with recuperation on than he would if recuperation was off, then battery range would be decreased. But if braking habits/use are the same with recuperation enabled, does enabling recuperation by itself reduce battery range?

I'm trying to understand the posts that suggest turning recuperation off to maximize range in a Taycan.
I found this summary really useful to understand recup coming from a Model 3 Performance. https://insideevs.com/reviews/397503/porsche-taycan-regenerative-braking-deep-dive/
 

feye

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Yes, it makes sense.
Another thing I think I learned - from reading the owner's manual - is that apparently switching recup (off, on, auto) controls what Porsche calls the overrun recuperation which starts when accelerator is released, as opposed to the braking recuperation. Not having a Taycan yet, I'm assuming from that manual language that braking recuperation is always active.
Thanks again for the info.
Now you are onto the right track. Any recup on, means that when you let go of the accelerator pedal, the car will effectively break a little (or more in auto mode depending on traffic). Breaking always is less efficient than coasting. Do not break, unless you really have to.

Now you could just not completely let go of the accelerator pedal to avoid the regen breaking, but hitting that sweet spot and holding it for long is not feasible with the Taycan. Therefore, the best way is always regen off, and drive as much as you can without using either pedals.

















Regen is off, I drive into the road, check the traffic light and speed up so I hit it, when it is green. Then I let go of both pedals and let it coast all the way over the light.

20210906_123837.jpg

I drive that way and get low consumption!
 

farazkhu2

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Where do you get the better range? Highway or non Highway driving? I am new to EVs and very excited that I am getting about 270 miles range on my RWD in non highway driving . I am going by the battery charging status ( shows how much range do I have ) and consumption information on the screen. If I turn the AC on then I see about 17miles reduction in overall range.

On a side note, I love the EA charging stations, I don't have to do anything, they recognize my car as soon as I plug it in and start charging it.
 

Kingske

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Where do you get the better range? Highway or non Highway driving? I am new to EVs and very excited that I am getting about 270 miles range on my RWD in non highway driving . I am going by the battery charging status ( shows how much range do I have ) and consumption information on the screen. If I turn the AC on then I see about 17miles reduction in overall range.

On a side note, I love the EA charging stations, I don't have to do anything, they recognize my car as soon as I plug it in and start charging it.
Depends on the speed you are maintaining on the highway. Cruising at a leisurely 70 mph will result in a range/consumption which is comparable to the non-highway one. Above 80 mph consumption will increase markedly and range decrease accordingly. As far as A/C is concerned, do not forget there also is a range-friendly "A/C ECO" mode which clearly consumes less than the full A/C mode.
 

f1eng

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Thanks for your reply.

I understand that if a driver enables recuperation and alters his driving habits such that he brakes more often with recuperation on than he would if recuperation was off, then battery range would be decreased. But if braking habits/use are the same with recuperation enabled, does enabling recuperation by itself reduce battery range?

I'm trying to understand the posts that suggest turning recuperation off to maximize range in a Taycan.
Neither the recuperation function in the motors, nor the charging efficiency are 100%, very good but not 100%.

If they were recuperation and coasting would save/use the same energy. As it is recuperation is overall slightly less efficient than coasting.

From an overall ease of driving perspective the Auto seeting has merit, but since I am just an engineer predicting this from the physics I won't know the magnitude until my own Taycan gets delivered!
 

Kittybaby

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If recuperation is off, does that mean that the breaks will wear out quicker? Based on what's been said above, it does not seem so since the settings do not affect regenerative braking.
 

menzz

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If recuperation is off, does that mean that the breaks will wear out quicker? no

Based on what's been said above, it does not seem so since the settings do not affect regenerative braking.
you are correct in the second half. Brakes use regen wether or not the recoup is on or not
 
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