North American Charging Standard - Tesla opening the door!

MEDICALJMP

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"Opening the North American Charging Standard | Tesla" https://www.tesla.com/blog/opening-north-american-charging-standard


Tesla homepageSkip to main content×
Opening the North American Charging Standard

The Tesla TeamNovember 11, 2022
Tesla Cybertruck North American Charging Standard - Tesla opening the door! NACS-Blog-Image

With more than a decade of use and 20 billion EV charging miles to its name, the Tesla charging connector is the most proven in North America, offering AC charging and up to 1 MW DC charging in one slim package. It has no moving parts, is half the size, and twice as powerful as Combined Charging System (CCS) connectors.

In pursuit of our mission to accelerate the world’s transition to sustainable energy, today we are opening our EV connector design to the world. We invite charging network operators and vehicle manufacturers to put the Tesla charging connector and charge port, now called the North American Charging Standard (NACS), on their equipment and vehicles. NACS is the most common charging standard in North America: NACS vehicles outnumber CCS two-to-one, and Tesla's Supercharging network has 60% more NACS posts than all the CCS-equipped networks combined.
Network operators already have plans in motion to incorporate NACS at their chargers, so Tesla owners can look forward to charging at other networks without adapters. Similarly, we look forward to future electric vehicles incorporating the NACS design and charging at Tesla’s North American Supercharging and Destination Charging networks.

As a purely electrical and mechanical interface agnostic to use case and communication protocol, NACS is straightforward to adopt. The design and specification files are available for download, and we are actively working with relevant standards bodies to codify Tesla’s charging connector as a public standard. Enjoy.
Tesla Cybertruck North American Charging Standard - Tesla opening the door! NACS-Blog-Image-02?redirect=no

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Bill906

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Awesome!

I think of Teslas charge port/plug a lot like Apple's Lightning connector. It was (and arguably still is, at least in some respects) the best phone connector. Where Apple failed is that it didn't open it up to the rest of the world. Tesla's connector is the best. And now that it's open to others it should become the defacto. I love it when the best design wins.
 

Bill906

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Has anyone else dove into this yet?
The press release says the Tesla connector can handle 1 Megawatt (1MW) of power, but the downloadable specs says rated voltage of 500VDC and peak rated current of 400A DC. 500V x 400A = 200,000 W = 200kW = 0.2MW.

My best guess is the specs are for a "dry" cable. I'm guessing Tesla gets more than 200kW by liquid cooling the cable.

Let me rephrase. I do know Tesla uses liquid cooled cables. What I'm guessing is, the threshold between liquid cooled or not liquid cooled is 200kW.
 

Crissa

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Has anyone else dove into this yet?
The press release says the Tesla connector can handle 1 Megawatt (1MW) of power, but the downloadable specs says rated voltage of 500VDC and peak rated current of 400A DC. 500V x 400A = 200,000 W = 200kW = 0.2MW.

My best guess is the specs are for a "dry" cable. I'm guessing Tesla gets more than 200kW by liquid cooling the cable.

Let me rephrase. I do know Tesla uses liquid cooled cables. What I'm guessing is, the threshold between liquid cooled or not liquid cooled is 200kW.
Tesla says they have demonstrated 900a on a dry cable.

And that the 1kV cable is backwards compatible with not-1k hardward.

-Crissa
 
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GhostAndSkater

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Has anyone else dove into this yet?
The press release says the Tesla connector can handle 1 Megawatt (1MW) of power, but the downloadable specs says rated voltage of 500VDC and peak rated current of 400A DC. 500V x 400A = 200,000 W = 200kW = 0.2MW.

My best guess is the specs are for a "dry" cable. I'm guessing Tesla gets more than 200kW by liquid cooling the cable.

Let me rephrase. I do know Tesla uses liquid cooled cables. What I'm guessing is, the threshold between liquid cooled or not liquid cooled is 200kW.
Yes, that spec sheet is for that exactly part number, not every possible part number that use, evident also due to the lack of quick connects for liquid cooling

They liquid cooled version can do at least 900 A @ 1000V, so in reality 900 kW, which will be less when you consider you only hit peak voltage in lower states of charge which the voltage is lower
 


Bill906

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Tesla says they have demonstrated 900a on a dry cable.

And that the 1kw cable is backwards compatible with not-1k hardward.

-Crissa
Do you have a link? I am interested in this.

Also, I’m guessing you meant 1MW, not 1kw. Cable.
 

JBee

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That means at 400V we should still see over 350kW super charging on the low voltage network withthay connector.

350kW is good for 200kWh 500mile range CT.
 

Crissa

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No, I don't have a link to it. There's no public demonstration of the technology yet anyhow.

And I meant kV, not kW. Thanks for catching it.

-Crissa
 

firsttruck

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firsttruck

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The NACS standard plug/socket can support bi directional charging (V2x).

V2x would also need to be supported by both the vehicle itself and the external equipment (building electrical system, EVSE, etc).


---------------


review the
North American Charging Standard Technical Specification
https://www.tesla.com/support/charging-product-guides#NACS-resources

Table of Contents
.....
4. Functional Specifications ........................................................................ 5
4.1 Component and Reference Descriptions .............................................. 5
4.2 Charging Process: DC Charging ........................................................... 9
4.3 Charging Process: AC Charging ......................................................... 10
4.4 Safety Systems .................................................................................... 11
4.5 Communication between the EV and EVSE ........................................ 11
4.6 Vehicle to X (V2X) ................................................................................ 11

.....
4.6 Vehicle to X (V2X)
4.6.1
The North American Charging Standard is compatible with
Vehicle to X (i.e. Vehicle to load, Vehicle to home, vehicle
to grid) power transfer. Future versions of this technical
specification will specify the functional requirements and
specifications required to achieve vehicle to X power transfer.
 
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The connector can do it, but the Tesla onboard inverter is not currently capable (per Munro after their teardown)
 

Dids

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I think this means Aptera gets the Tesla connector. They have been saying they want it.
And since the spec says connector can handle 1kv does that mean we think CT will have a higher voltage architecture. 800v?
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