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[Nikola 369]

I agree with you, needs to be managed. If you look at it a different light……….The governments are mostly staying out of it……for now ( this is the regulation side of it). The idea is the same they have done with many other products over decades of time. Let the manufacturers and customers fight it out. Then when the dust somewhat settles, announce the winning item with regulation.
look at all the different charging cords? And no, you can’t charge any evse at most chargers. Tesla was working on an adapter to use chademo, but I don’t see it on the website anymore, so I guess there that. Second CCS1&2 are not interchangeable and there zero adapters for this. The government stepped back and waited to see what would come out on top. Then when the USA decided on CCS1, they were just a bit too early to the table, as they had to amend it to the NACS (J3400 I believe it’s now called).
So, V2H is done as far as getting power to your house. Still not interchangeable within brands of EV’s. You can in most states, install and be approved for use. If your the person that buys a new car every 2-5 yrs, I would suggest EV’s are too new and all the tech that goes with them, much to new for you. this isn’t to say you’ve done anything wrong, just a bad idea to be an early adopter.
The V2G is going to be a lengthy process. I see your in Canada, 25 yrs ago your country was 100% on 50HZ system……Now adays I think most interchangeabl, but as I say this, I’m sure there is a corner that is still 50HZ. Lots of equipment was built in the last 30 yrs to accept both and work fine. Making all the vehicels, equipment, software, and grid side communicate correctly………..more time.over the weekend I read about a utility back east in USA had 3-4 preselected lightning owners online testing V2G and the article said it was the only single one running. That’s not entirely true as someone pasted a link on this thread of another that was V2H.
As we all go down this road, together, each group solves a problem. Then as a new issue comes up, either change the std or make a new std. Sounds crazy, but how it works. That’s why when I look early, I found 5 different stds. concerning V2G between ISO & UL.

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[Nikola 369]

As far as no standards for V2H, this is incorrect. NEC is governing a good portion of the install here in USA. UL also has a few words to say about it. In Canada, the UL version is called CSA I believe. Mostly UL interchanges with CSA, but there are couple differences that have to be watched when using UL certified devices in Canada.

 

[Nikola 369]

My apologie, you are correct about not using 50hz, showing my age I guess. Ontario power was first connected to Niagara Falls @ 25hz and this was used in large by steel mills and the railroad. Large traction motors that were actually dc could run on 25hz AC power because frequency was so slow. This was mostly converted from 1949 through 1959 to 60HZ at a cost to Canada of 352 million dollars. I found an article from 2009 where a contractor from Canada was talking about his company updating controls at the steel mill and by end of the year would be on the 60HZ syste. So 25HZ lasted until 2009 in Canada.
the biggest difference between our countries is the voltages. The residential house voltages was standardized for a while, because of commerce. The voltages used for industrial applications is still very different.

 

[Nikola 369]

As I understand it right now, ford has a standard used on the lightning and I think in future on larger battery MME. Chevy has their own standard used on the Silverado, Hummer, and plans for other vehicles with larger batteries.

 

[Nikola 369]

On the industrial side, it’s worse for EV’s. In the USA, we use 480 & 600 volts, Canada uses 370 & 575. thinking of 400 & 800 volt batteries, which is a better starting voltage to charge these batteries from………anybody’s guess.

 

[Nikola 369]

You didn’t just suggest that manufacturers would build around an idea that once you buy their version, you would be included to buy more items of theirs that work with that equipment? Hahaha, that was the idea they started with, before the EV. Look at battery operated hand tools and equipment, within the brand mostly works……..try to plug a Milwaukee battery into a Dewalt anything.

 

[Nikola 369]

I think what you see the most benefit from is the devices made by third parties. Enphase is going to launch a bi-directional charger, that is AC coupled. This will work with most EV’s and integrate to their system for Solar. I think the price will be around what Ford sold the HIS system for. Like installing a normal level 2 charger, but then run a line to the panel managing the AC coupled batteries and done. From their website, waiting for manufactures to sort out the communications std to the EV from charger.

 

[Nikola 369]

The system from Ford & Chevy both have inverter external. How would you DCFC from the CCS1 connector if there was an inverter between that connection and the battery. The confusing part is yet to come. In the next couple years as everyone starts building EV’s with NACS connector. That setup uses AC & DC on the same pins.

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