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Old 06-22-2016, 04:58 PM   #1
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Tesla owner needing assistance

We have a guest wanting to charge his Tesla here at the RV park. Like to help, but it is turning into a bit of a pain: The Tesla does not seem to like RV 30 amp.

If you own a Tesla and are pretty familiar with charging it from unconventional power sources, please contact me. I'd kind of like to know how we can help this guy, having failed to do so on first attempt.

This has absolutely no direct Airstream content, so i would just as soon keep this on email rather than forums bandwidth.

myfullname at yahoo

Lynn Eubank
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Old 06-22-2016, 05:01 PM   #2
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There's the guy who started this thread.
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Old 06-22-2016, 05:08 PM   #3
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Yes, except this guy's MGB does just fine on RV park current! It is the fellow with the Tesla who needs the help. And he seems to be even more clueless than I am.

Lynn
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Old 06-22-2016, 05:10 PM   #4
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Adapter for Tesla is 50a 240v. Needs to be 240v for it to work.
The other adapter is for 120v 20a but it will take forever to charge.
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Old 06-22-2016, 05:13 PM   #5
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I have an electric car. The only option is a regular 15A 110 volt (referred to as a level 1 charger by EV guys).

Rv connection stations are NOT configured for EV charging.... a "level 2" charging station requires a 220v / 32A service with a special EV charging adapter. The connection required for an electric car cannot be made from a regular rv power station.

Unfortunately to charge a tesla on a "level 1" connection it would take 2-3 days plugged in! So your customer (even if they have a level 1 charge adapter in their car) really won't get much of a charge on 15A / 110 household outlet.
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Old 06-22-2016, 05:23 PM   #6
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It seems the guy can charge on an RV 50 amp, but not the 30. Implications.

Think I am going to wash my hands here. Maybe some future owner should consider installing an EV charging station.

Lynn
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Old 06-23-2016, 01:34 PM   #7
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Quote:
Originally Posted by eubank View Post
It seems the guy can charge on an RV 50 amp, but not the 30. Implications.

Think I am going to wash my hands here. Maybe some future owner should consider installing an EV charging station.

Lynn
I own a Tesla Model S. All RV stations are 110V either 50A or 30A or 20A. Tesla can be charge on 30 or 50Amps but must be 220V. The only voltage useful for the Tesla at an RV power post would be the 110V 20A. And, as already stated it takes several days (I think) to charge a fully discharged Tesla on 110V.

I hope this info is helpful.
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Old 06-23-2016, 02:02 PM   #8
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I own a Tesla Model S. All RV stations are 110V either 50A or 30A or 20A. Tesla can be charge on 30 or 50Amps but must be 220V. The only voltage useful for the Tesla at an RV power post would be the 110V 20A. And, as already stated it takes several days (I think) to charge a fully discharged Tesla on 110V.

I hope this info is helpful.
Except that RV 50a stations are 240v, so they should be OK for the 50a adapter.
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Old 06-23-2016, 03:38 PM   #9
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Dear Lynn,
I was born & raised in Detroit-city & been a car-guy/ camper-guy since 1950. YOU are THE first person to illustrate the real world reality of ownership of an EV. You deserve an "Atta - Boy" for bringing this problem out into the public arena.

Even Tesla has more homework to do. This owner best tow his home. All other RVers who own EVs need to take note. And, ... not burden others, such as yourself, with their short sited, self imposed situations, when they materialize.

Eugene Dubay (LEWBAY 500) Pigeon Forge, TN
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Old 06-23-2016, 03:50 PM   #10
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Any technology takes awhile to develop. I'm sure Henry Ford didn't expect the local hay and oats emporium to stock petrol for his horseless carriage.
Give Tesla credit for installing free Supercharger stations across the US and parts of Canada.
And most RV campgrounds with 50a 240/120v pedestals can charge a Tesla if there's no Supercharger station nearby.
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Old 06-23-2016, 04:02 PM   #11
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Tesla requires 240 volts.
In order to use rv park power youll need a true 50 amp plug.... wire across l1 and l2 and forget the neutral. This will give you 220.volts.
Park 50 amp service is actually 2 110 volt legs with a bonded neutral. Loose the neutral and youll have 220 across both hot legs.
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Old 06-23-2016, 04:26 PM   #12
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You don't have to lose the neutral for 220 V as long as the adapter is wired across both hot terminals to see 220/240. One side is 120 positive and the other is negative hence 240 V....and yes I know AC is not +/- but one side is sine wave + while the other is sine wave - at the same moment in time; hence double the voltage Hot to Hot and 120 Hot to Neutral. If both hot are drawing exactly the same current there is no current in the neutral.
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Old 06-23-2016, 05:13 PM   #13
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Been dealing with EV vehicles for a couple of years now, Tesla has an adapter that works with 50a rv pedestals, problem we have is the vehicle drivers want to use our power, use our restrooms and showers, use our wi-fi and the pool when open, but do not want to pay anything, some how they seem to think we should provide all our services for free so I send them down the road.
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Old 06-23-2016, 05:16 PM   #14
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I meant theoretical loss of neutral....
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