Wondering if Tesla would be more open to this scenario now that it isn't possible anymore to fill up at the superchargers for free and then go use that energy for anything else but driving.
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Powering home from Tesla
- Thread starter Mike Tuccelli
- Start date
gavine
Petrol Head turned EV Enthusiast
Tesla should integrate this functionality into the PowerWall so that the car battery can act as a supplement to the PowerWall and give it more kwh's from which it could draw energy. Seems like that would be a good way to integrate and a way to sell more Powerwalls....maybe even ones with less storage at a lower price since the car battery can potentially be there as a backup.
SeminoleFSU
Voluntaryist
I would probably buy a new MS if they implemented this feature and made it so it didn't void warranty.
TonyWilliams
Active Member
spaceballs
Member
I wonder if these are recalled ones/ defective ones. But guess it will not matter as if KW is low enough.
TonyWilliams
Active Member
@Ingineer ,
I think you're busy with other projects, but I'm still interested in this. Would this solution work with my November 2016 build Model X? Also here in Japan many people are familiar with the Vehicle To Home (V2H) technology and would be interested in this as well.
now after experiencing hurricane Irma I would like to have this even more
SeminoleFSU
Voluntaryist
jrickard
Member
We have a 20kW inverter now that runs directly off of a full Tesla battery pack. Shuts down automatically at a little over 300v. Will make power up to 450v. You can power your entire house with your car. Provides 240vac split phase power. EVTV Motor Verks Store: 20kW Inverter for Tesla Full Battery Pack, Solar, 20kwInverter
You do have to wire into your junction box to get to HV connections, and you have to turn the car on I guess
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AntronX
Member
Wow, this thing is a beast! Looks like something out of broadcast transmitter site. What made you go with big iron transformer and not high frequency SMPS design? What is the standby loss?
Wow... that is... tempting. It's about 2x the cost of putting a generator in my house, which I have been considering. I wonder how much the local guys would charge for installation.
I also wonder how seemless the switchover is? Is there a brownout during switchover, or can I plug in/unplug my Tesla without worrying about the power to the house sagging?
Additionally, it says a full battery pack, but doesn't mention if the pack needs to be out of the car (ala a Powerwall style), or if I can just use the port on the car itself with an appropriate cable.
I'd be also interested to know if it has the smarts to switch over to grid power if the current draw exceeds its capacity? That would seem to be a critical component of making this thing work for daily usage. If you are just using it for emergencies, I guess it doesn't matter much.
I also wonder how seemless the switchover is? Is there a brownout during switchover, or can I plug in/unplug my Tesla without worrying about the power to the house sagging?
Additionally, it says a full battery pack, but doesn't mention if the pack needs to be out of the car (ala a Powerwall style), or if I can just use the port on the car itself with an appropriate cable.
I'd be also interested to know if it has the smarts to switch over to grid power if the current draw exceeds its capacity? That would seem to be a critical component of making this thing work for daily usage. If you are just using it for emergencies, I guess it doesn't matter much.
If you read the description on the linked site, it is configured for battery first and when the battery gets too low it fails over to the grid. I suppose it must also shut down and fail over to grid if it overheats or there is excessive draw. It must have a complete drop to blackout when switching because I'm guessing they don't do frequency cycle matching like the PowerWall does.
In order to use the stationary pack or a vehicle connector, you need to do a little more work to get the contactor inside the pack to close and pass the HVDC out to the inverter. For a stationary pack it would be pretty simple, but you do need some 12VDC stuff to satisfy the interlocks. Getting HVDC directly out of a Tesla vehicle connector would be considerably harder since the specification is not readily available. You would probably have to go through a CHAdeMO adapter since that has full specs and protocols available. Providing an optional CHAdeMO vehicle connector with a small logic box would be a nice complementary product.
FlatSix911
Porsche 918 Hybrid
This video is so lame, I think we all know we can run a 150Watt inverter through the cigarette lighter. I think most of us are looking for a more powerful solution.
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