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Topic: Electric Vehicle News Items

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Cincydawg

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Re: Electric Vehicle News Items
« Reply #1708 on: May 23, 2024, 09:55:35 AM »
I "think" the Cali 2035 mandate may survive because of the PHEVs.  Of course, they may well modify or delay it further.  Sales there in 2035 might end up being 2/3rds PHEVs and 1/3rd EVs.  As I have tried to lay out above, that might not be nearly as ridiculous as I had thought.

PHEVs in CA by 2035 might well be something a lot of new car purchasers would prefer once folks understand them better.  

FearlessF

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Re: Electric Vehicle News Items
« Reply #1709 on: May 23, 2024, 10:15:19 AM »
Cincy,

Is there a "free" 110 outlet in your parking garage that you use?
"Courage; Generosity; Fairness; Honor; In these are the true awards of manly sport."

Cincydawg

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Re: Electric Vehicle News Items
« Reply #1710 on: May 23, 2024, 10:22:44 AM »
I have not seen one, not near where we park.  There could be one up front of the building, I have not looked.

Someone here has a PHEV Jeep, which I had not even known was available, I see it plugged in at times.


FearlessF

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Re: Electric Vehicle News Items
« Reply #1711 on: May 23, 2024, 10:23:35 AM »
so, you have a plug-in vehicle that you don't plug in?
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Cincydawg

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Re: Electric Vehicle News Items
« Reply #1712 on: May 23, 2024, 10:26:36 AM »
I never said we have a PHEV because we don't.  We have a standard hybrid.  I explained why I went that way a while back.


FearlessF

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Re: Electric Vehicle News Items
« Reply #1713 on: May 23, 2024, 10:36:00 AM »
ahhh
"Courage; Generosity; Fairness; Honor; In these are the true awards of manly sport."

847badgerfan

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Re: Electric Vehicle News Items
« Reply #1714 on: May 23, 2024, 10:58:21 AM »
I never said we have a PHEV because we don't.  We have a standard hybrid.  I explained why I went that way a while back.


That's what I would do. Maybe.
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Cincydawg

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Re: Electric Vehicle News Items
« Reply #1715 on: May 23, 2024, 11:02:03 AM »
As I've noted before, with Hyundai, and some other makes, the hybrid has more horsepower and torque.  The PHEV version has even more.

I thought the base Tucson was a bit down on power, the hybrid is acceptable.  It goes when you need it.

Cincydawg

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Re: Electric Vehicle News Items
« Reply #1716 on: May 23, 2024, 02:48:50 PM »
The Chevrolet Silverado EV RST Is the New Electric Pickup Leader (roadandtrack.com)

 The Silverado EV RST is the fully-loaded model with every optional add-on thrown in from the head-up display to a spray on bedliner, to panoramic roof. All that will cost you $96,495, including the destination charge. That’s more expensive, than the fanciest version of the conventional Silverado, but in the same ballpark as other top-spec EV pickups.

Cincydawg

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Re: Electric Vehicle News Items
« Reply #1717 on: May 23, 2024, 02:53:33 PM »
That heavy pickup needs around 50 kWhr per hundred miles.  Once again, charging away from home won't be very appealing, even at 30 cents per kWhr = $15 per hundred miles.  The ICE Diesel, which is a pretty nice option (standard really) is rated at 22 mpg highway, so about 5 gallons of gas maybe less which is close to the same.

And the 30 cents is very low end.

Gigem

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Re: Electric Vehicle News Items
« Reply #1718 on: May 23, 2024, 03:13:04 PM »
The difference in charging from 110V via a 15 amp circuit and a 230V 30-50 amp circuit is significant.  

Back of the napkin, 110V at 15 amps is about 1650 watts, or 1.65 KW.  The max output you can get on 110V is 20 amp, but you'd need a special plug (and a 20 amp circuit breaker).  So if you have a special 20 amp 110V plug, you could maybe squeeze 2.2KW from a regular 110V plug.  

For 220V, you could get 6,600 watts at 30 amp, or 11,000 watts at 50 amp.  So ~3x the power on the low side (6.6 vs 1.65 kw) and 5x on the high side.  

These are general numbers, in real world the voltages vary from 110-120V usually, and 220-240V.  But the watts will usually be about the same.  

Level 2 charging is not "fast charging" by any means.  I don't think there would be any harm in charging at 220V vs 110V, they are both relatively slow.  The biggest difference is that most 110V circuits are wired with either #14 AWG or #12 AWG, whereas most 230V circuits would be wired with #10AWG or smaller (#10 AWG is good for 30 amps depending on the distance).  The smaller the AWG gauge, the bigger the wire.  So a bigger wire carrying less current will always have less resistance.  Not sure there would be any big difference in terms of power loss due to resistance, but overtime it could add up.  

Gigem

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Re: Electric Vehicle News Items
« Reply #1719 on: May 23, 2024, 03:21:08 PM »
Given that the average EV has about a 60-80 KWHr battery, by using the slow charger let's peg the power in at 2kwHr.  

60 kwhr / 2 kwhr =  30 hrs to charge that bad boy.  

60 kwHr / 8 kwHr = 7.5 hrs to charge that battery.  Or 4 times faster.  

Level 3 charging is DC fast charging, a whole 'nother level of power and you'd need a special charger for that and special infrastructure because they can do hundreds of KW.  This is the level that you can actually degrade a battery if done often enough.  

FYI, most battery management systems will only "fast" charge the battery from ~20% to ~80%.  Before that, or after that, it will reduce the input as to not damage the battery.  So even when people use a L3 charger, they're not going from some low charge to a full charge. As I recall, most are charging up to 80%, which is why they can charge some of the newer EV's in about 15-20 minutes.  

Gigem

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Re: Electric Vehicle News Items
« Reply #1720 on: May 23, 2024, 03:23:59 PM »
The other thing with Level 1 and Level 2 is you can actually pre-condition the climate of your car so that for instance on a cold day, you can program it to heat up the cabin while it's on "shore power" so that you're not draining your battery once you get on the road.  Not sure if you can do that with a L1 charger, since it's only ~2KW worth of power.  Any heat (or air conditioning) you put into the cabin would probably have a net deficit compared to what is being inputted via the power cord.  

L2 charger would be able to handle this no problem.  

Cincydawg

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Re: Electric Vehicle News Items
« Reply #1721 on: May 23, 2024, 04:02:12 PM »
Most EVs use a heat pump for heating (and cooling) now, or so I have read.  Some recommend using the heated seats and steering wheel instead.

Heated seats are nice, but I doubt they would replace cabin heating on a cold day.

The guideline I've seen is that 110v is good for 3-4 miles or range for each hour of charging, and 220v basically doubles that.  

 

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