grsthegreat
Super Star Member
Ya right. An ev that needs 50-80 amps to charge. Id like to see an arrey that can output that level of power for 8-12 continuous hours.
Battery based electric vehicles of today and tomorrow.
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cqaigy2
Super Member
Good point. After losing power, you'll have to remember to start the charger back on.and yet they charge on.....
Newsom orders ban of new gas-powered cars by 2035
In a dramatic move to tackle climate change, Gov. Newsom announced that the state would ban new models of traditional cars beginning in 15 years.calmatters.org
when they shut the grid down they are going to have one heck of a time bringing it up with all those ^^^^ cars wanting to charge dead batteries.
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Gale Hawkins
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Sounds like you must have a 200 HP electric tractor that you use all day.
People that have 8-12 hours daily to recharge are fine with a 15 amp 120 volt outlet assuming they only drive the average 30-40 miles daily.
Since we had 220v on a 40 amp breaker to our detached garage I set up to charge using 220v but the max the Leaf on board charger can draw is 26 amps and it tapers down from there.
Charging an electric car isn't as demanding like arc welding.
Oaktree
Super Member
What voltage do solar panels put out? 24V? 48V? More? Less? Ohm's law says half the voltage, twice the current for a given amount of power. Also keep in mind that inverters are not 100% efficient. Sounds like you'd need a pretty hefty array. Never mind that most of the charging would likely take place at night when those panels aren't putting out anything.
While the draw of a car recharger isn't that of a welder, neither is anyone running a welder at 100% duty cycle for 8+ hours straight either.
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Gale Hawkins
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Solar panels are not used to directly fast charge EV's or power your AC powered TV or frig.
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Gale Hawkins
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Wow the Lighting is not like any 2022 gas F150.
goeduck
Super Member
But more people are moving out of CA than in. So new homes there are not what they projected.Remember all new CA homes come with roof top solar panels to charge your EV.
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Gale Hawkins
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The same thing is going on in WV I read this morning. Not all states will be EV ready perhaps.
Larry Caldwell
Elite Member
I think they are talking about a flywheel the size of a house, not a flywheel in the house. The flywheel could act as an armature for a big motor/generator. Plus, it would not be a UPS, it would just even out the load. If the grid goes down, so does the flywheel.
On the down side, the suckers would be big. 30' in diameter and 10' tall, plus the control electronics, bearings and enclosures. Maybe they could dig a hole and put them under the charging stations?
There's no doubt the US needs a massive update of it's creaky electrical distribution system, but rapidly evolving demand will make designing it a nightmare.
grsthegreat
Super Star Member
The new ford advertisement for their truck says it takes 80 amps for 8 hours. I’m not making this up. and I never only drive 30-40 mile a day. More like 200 doing service calls.Sounds like you must have a 200 HP electric tractor that you use all day.
People that have 8-12 hours daily to recharge are fine with a 15 amp 120 volt outlet assuming they only drive the average 30-40 miles daily.
Since we had 220v on a 40 amp breaker to our detached garage I set up to charge using 220v but the max the Leaf on board charger can draw is 26 amps and it tapers down from there.
Charging an electric car isn't as demanding like arc welding.
at 80 amp charging, they say the truck will get 30 miles for every charging hour. Then again they say
With Ford Intelligent Backup Power, enabled by the available 80-amp Ford Charge Station Pro and home management system Ford can help install, F-150 Lightning automatically kicks in to power your house. Once power is restored, the truck automatically reverts to charging its battery. Based on an average 30kWh of use per day, F-150 Lightning with extended-range battery provides full-home power for up to three days, or as long as 10 days if power is rationed, with results varying based on energy usage.
i install generators for a living. Nearly every one is a 22kw generator. How can they say the national average power use is 30 kWh per day. If you run the numbers, this is rediculous assumption. No way in he** this truck can operate a house for 3 days, unless there only running refer, freezer and a few lights. Add in wells, elect heat, heat pumps, ac units. Their nuts.
hows that old saying go......figures never lie, but liars always figure.
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