New Hummer

Other Production EV's including motorbikes, and cars by smaller manufacturers
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brendon_m
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New Hummer

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coulomb
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Re: New Hummer

Post by coulomb »

Wow, thanks for that.

I think it's interesting that they put the half-packs in series for 800 V charging, but in parallel for traction (and presumably for non-ultra-fast DC charging and AC charging). 800 V electronics must still be too expensive.

They say it can be used at a 350 kW charger, but don't actually say (unless I missed it) that it can use all 350 kW.

I hope that those LG cells will be available for other EV manufacturers to use.
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brendon_m
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Re: New Hummer

Post by brendon_m »

coulomb wrote: Wed, 21 Oct 2020, 18:31
I think it's interesting that they put the half-packs in series for 800 V charging, but in parallel for traction (and presumably for non-ultra-fast DC charging and AC charging). 800 V electronics must still be too expensive.
I was thinking the same thing.
Why not just make the whole car 800V all the time. But my guess of the main reason for 400V is the <350kW charging is easier/cheaper. 800V all the time would limit charge rates on lower DC chargers (like the taycan does) as it has to go through a buck/boost converter
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Re: New Hummer

Post by antiscab »

there might be a motor insulation element to it too - higher dc bus voltage means a higher dv/dt, which is harder on insulation
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brendon_m
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Re: New Hummer

Post by brendon_m »

I just heard the price, $112,500usd for the top of the range and $80,000usd for the base which won't be available until 2024.
For reference the Cybertruck is between $40,000usd and $70,000usd.
And the Rivian R1T is between $70,000usd and $80,000usd

GM are going to be in for a hard sell, especially once the rivian is out which will capture all the people who don't like the look of the Cybertruck
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Re: New Hummer

Post by Bryce »

I wonder if Arnie is already in line for one? ;-)
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brunohill
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Re: New Hummer

Post by brunohill »

Bryce wrote: Thu, 22 Oct 2020, 12:11 I wonder if Arnie is already in line for one? ;-)
Apparently he has already been seen testing it around Wagga Wagga.
https://www.youtube.com/watch?v=XAXxnvLmtdc
I think I like his original one better.
https://www.kreiselelectric.com/en/blog ... hummer-h1/
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