EVs with solar
- Thread starter T-Willy
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Deleted member 9101
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Lol@ two or three days. More like two or three weeks.
dreadlocks
Well-known member
A Tesla Model 3 will get a mere 25 miles of range after 12h of charging on a 15A wall outlet you got in your house.. so if you could carry around a 2kw solar system like MTVR and his Military truck, which you cant.. and you could get 12h of full output from that solar setup, which you cant.. in 2-3 days you'd have a whopping 50-75 miles of range back, it'd take over two weeks to recharge a 400 mile vehicle with an impossibly large solar setup in an impossible solar environment.
So IRL with something you could actually carry.. hope you brought enough food for a couple months down to Mexico cuz your gonna be there for a while..
So IRL with something you could actually carry.. hope you brought enough food for a couple months down to Mexico cuz your gonna be there for a while..
T-Willy
Well-known member
Well, using your math, I'd sooner tote a few 6kw wind turbines and make two or three hundred miles of range on breezy afternoons.
But before you trouble yourself with more math, remember that I used the word "imagine," which speaks to the possibilities of future, not current, tech and efficiencies.
My bet is that we're still a decade away from electric remote touring in Baja with relative ease. The extent to which remote wind and solar charging plays into that will depend on advances in both battery and panel efficiencies.
But it's coming, and that's exciting.
plh
Explorer
2 decades ... then maybe
A model 3 gets around 5 miles of range per hour of charging. So, 60 miles in a 12 hour period. Or full charge in 2.5 days.
And even if you got 100 miles of range in two weeks on an overlander, that would be amazing! You can spend two weeks in a location, then travel to a new one every couple of weeks and spend no money on it. That would be the most freedom one could ever expect under capitalism.
Joe917
Explorer
You don't get charge for 12 hours! A realistic number averaging out the morning and evening with the midday peak would be 4-5 hours at peak.
"12h of charging on a 15A wall outlet you got in your house"
You get 24 hours when you plug it into your wall like you stated.
Actually, there are numerous studies that show how efficient panels are on flat surfaces during winter and summer. You can expect between 70% and 80% efficiency for flat panels over the course of a day with no clouds and a clear view of the sky. So a 2kW system would be around 16.8kW a day, or around 60 miles a day.
Joe917
Explorer
Link the studies.
I have 630 Watts of flat panels. On a good sunny day around mid day I can see 70-80% of max efficiency. ONLY in the middle of the day. Morning and evening far less.
Expecting 70-80% output for 12 hrs a day winter or summer is wrong. You are fooling yourself and misleading others.
You are in Canada, I am in Southern California. Latitude matters.
Joe917
Explorer
Nothing there to back up your 12 hrs at 70-80%
Link to something that backs up your argument and quote the relevant section.
Joe917
Explorer
Here is a map showing the average daily electricity production from 1kW of peak DC solar panels installed in each state of the United States.
If we take California as an example, the map shows that on average 1 kW of DC peak capacity of solar panels produces 4.5 kWh per day or 1642 kWh per year.
So that is equivalent to 4.5 hrs full outptut, on average for tilted panels in California. You will get less if you flat mount.
If we take California as an example, the map shows that on average 1 kW of DC peak capacity of solar panels produces 4.5 kWh per day or 1642 kWh per year.
So that is equivalent to 4.5 hrs full outptut, on average for tilted panels in California. You will get less if you flat mount.
Yes, it is there. Just because you didn't understand it doesn't mean it doesn't exist. But here is an easy to understand graphic.
You can see that the full tracking panel averaged about 610W/hr in winter, and the flat panel averaged 400W/hr. So that is 65% in winter. So, a little lower than I have seen from other sources.
In summer, it is around 675W/hr for the flat, and 725W/hr for the full tracking panel. That is 93%.
So, will you accept 65% to 93%?
You won't have the same results, because you are in Canada.
Here is a map showing the average daily electricity production from 1kW of peak DC solar panels installed in each state of the United States.
If we take California as an example, the map shows that on average 1 kW of DC peak capacity of solar panels produces 4.5 kWh per day or 1642 kWh per year.
So that is equivalent to 4.5 hrs full outptut, on average for tilted panels in California. You will get less if you flat mount.
That is pointless, because that is an average for the entire state of California. I live in a place with about 330 days of pure sunshine. No clouds whatsoever. People near the coast have weeks or even months of overcast.