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Author Topic: Lucid Air will have official range over 500 miles  (Read 778 times)
dan_b
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« on: August 11, 2020, 05:26:15 PM »

https://electrek.co/2020/08/11/lucid-air-electric-car-epa-range-517-miles/

Blimey.  Audi are you watching?!

900v drivetrain sounds interesting.
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« Reply #1 on: August 11, 2020, 05:54:12 PM »

Bet it's fundamentally the same as the 800V one on the Taycan with reduced margins - they'll both be using 1200V power electronics.
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dan_b
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« Reply #2 on: August 13, 2020, 08:41:20 AM »

Iíve read that itís their own 900v battery system - not related to the Porsche 800v system and is actually derived from Formula -E ?

This is interesting info about the test cycle - I now understand Elonís comments about the Model S test having gone wrong because they left the car door open.

youtu.be/Niebn0HIKfs
« Last Edit: August 13, 2020, 12:02:09 PM by dan_b » Logged

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oliver90owner
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« Reply #3 on: August 13, 2020, 08:58:31 AM »

Makes me wonder what mileage a Tesla (or other car) might achieve with a 130kWh battery.  No actual battery size was confirmed but one might not expect a great reduction, in battery size, from previous reported information.  It will be interesting to find out what they mean by Ďsignificantí.
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phoooby
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« Reply #4 on: August 13, 2020, 10:06:57 AM »

Quote
not related to the Porsche 800v system and is actually derived from Formula -E ?

The ipace motors apparently came from Formula E. I hope thats not a bad omen as the ipace doesnt have the best reputation for efficiency.
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« Reply #5 on: August 13, 2020, 12:10:49 PM »

It does look like Lucid was involved in the design of the 2nd Gen Formula-E battery packs
https://lucidmotors.com/media-room/atieva-powers-season-6-formula-e-spec-battery-pack-its-own-design


But as to the iPace using motors derived from Formula-E, I don't think that's true - see question 2,

https://qz.com/1447251/jaguars-full-response-to-questions-about-the-i-pace-electric-cars-battery/

and this Forbes article where they name the in house engineer responsible for its development

https://www.forbes.com/sites/bertelschmitt/2017/06/16/the-road-from-high-octane-to-high-tech-is-dangerous-father-of-tesla-beater-jaguar-says-why/#66a9690f7d94

Quote
not related to the Porsche 800v system and is actually derived from Formula -E ?

The ipace motors apparently came from Formula E. I hope thats not a bad omen as the ipace doesnt have the best reputation for efficiency.
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2.18kWp 10x South facing, plus 4x West facing 880W

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« Reply #6 on: August 13, 2020, 03:42:07 PM »

Iíve read that itís their own 900v battery system - not related to the Porsche 800v system and is actually derived from Formula -E ?
The voltage choice doesn't come from the battery system - it's the other way around, the voltage they can run to is largely dictated by the power electronics they use to turn the battery DC into AC which can be used by the motor windings. Most power electronics out there now can do up to 1200V rated DC, but will normally be de-rated to give them longer life. Since designing their own 1350V rated power electronics is seriously unlikely, they've most likely used the same power modules (or the same technology ones) as Porsche but applied a less conservative de-rating factor.

To get the battery voltage you need you just stack a load of cells in series - so to raise it from 800V to 900V you just increase the length of the cell stack by 12%.
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