Highest KW AC Charger?

[P-38]

Are you at 240VAC for commercial voltage in Canada or 208VAC?

If you are at 208 getting to 240 would make the 80amp charger slightly faster. Maybe an autotransformer to boost it up, more losses but faster charge time and get preconditioning.

I'm poking the maintenance team at my work to adjust the taps on the 480 to 208 transformer as we are at 199 at the panel (even less at the truck)and going to the high side of inspec for 208 would net me like 3kwh over 8 hours...

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[Maquis]

Tesla onboard chargers will accept 277V single-phase and older Tesla EVSEs were rated for it. That's 22kW. I don't know if Ford's equipment - in the truck or their branded Siemens EVSE - can handle 277V without blowing up and I don't think I'd try it.

When the Mach-E first came out, the voltage limit was +5% (252). Some people with had supplies of 255-256 and the cars would t charge. Ford did a software change to raise the limit, but I don’t know the new limit, but I’d bet it won’t allow 277.

ETA - he’s in Canada so instead of 480/277, it would be 600/346 anyway.

 

[Maquis]

Are you at 240VAC for commercial voltage in Canada or 208VAC?

If you are at 208 getting to 240 would make the 80amp charger slightly faster. Maybe an autotransformer to boost it up, more losses but faster charge time and get preconditioning.

I'm poking the maintenance team at my work to adjust the taps on the 480 to 208 transformer as we are at 199 at the panel (even less at the truck)and going to the high side of inspec for 208 would net me like 3kwh over 8 hours...

If it’s a 3 phase service, it’s 208, otherwise 240.
But your point is valid - charging power is proportional to voltage.

 

[TaxmanHog]

 

[NW Ontario Ford Lightning]

I have the Grizzl-E charger - and I recall they have some larger commercial chargers available - check out Grizzl-E EV Kodiac

 

[P-38]

Yeah he is in Canada so parts of it are 600/346 or 480/277...

Since Canada uses 120 for outlets like the US they must have transformers that drop it down. So typically in US that ends up with 208 3 phase. But can be high leg and get you one leg of 240. Or any other number of ways to get 240.

If it's 208 the max FCSP will do is 16.64 kW. At 240 19.2kW. I don't know how the FCSP would react if you ran 240 at the high end of "in spec" at say 250 and then voltage drop under load and all that...so many variables...

Just trying to help by pointing out the AC voltage level affects how quickly the truck charges, run the highest voltage without causing faults on rest of electrical panel, the FCSP or the truck and you will get the fastest charge times at level 2 charging

 

[Ragman]

Thanks to all, good learning's - it is the Kodiak's we bought (also have their Duo and Smart's) though note the Kodiak's are "designed in France, made in China" it's a rebranded Keywall. I'd dump it if I was them hurts the "Made in Canada" claims. No mention anywhere on the limitations and obviously missed that in the Ford documents (thanks again Maquis).

We have both three phase and single, as well as transformers if needed on voltage ends - we also have a 50kw DC charger that needed the 600/480 swap.

Those who have the 22/23 Lightnings with Dual Inverters consider your self more future proofed then the 24s - long term I think people will come to realize the dual chargers are actually valuable - we have.

Yep Taxman, trying to train people to swap out the cord at end of shift its just a hassle. We'll be swapping the one truck that we have the main "benefit" in being fast charged (its a single invertor) to a different one that has the dual invertors. Just another hassle due to accessories and wrap installed on it.

Now into the market for the best 19.2 kw AC charger ideally dual head (for our lovely single inverter trucks). The Duo's are great but error out if two trucks try to pre-condition (or just battery temp maintain) at same time.

 

[SpaceEVDriver]

https://www.chargepoint.com/fleet/stations/cp6000

Up to 19.2 kW per port, relatively easy management software (well, the consumer level software for the HomeFlex works well enough anyway), and relatively decent reliability in my limited experience. I don’t do fleets, though. I think they may even be cheaper than what you have now, as long as the stupid tariff war isn’t hitting them yet.

 

[tls]

If it's 208 the max FCSP will do is 16.64 kW. At 240 19.2kW. I don't know how the FCSP would react if you ran 240 at the high end of "in spec" at say 250 and then voltage drop under load and all that...so many variables...

I don't know about the FCSP but we are about 50' from the transformer feeding a long run up the mountainside with about 100 houses on it, and we routinely see 250-253V instead of the nominal 240 - about a 5% difference. Neither our Tesla wall chargers (the old 80A Gen 2 models) nor the onboard chargers in our '22 Lightning mind.

That would be about a 15 minute savings on a 5 hour, 100kW charge cycle. I would not mess around with a step up transformer etc. to get that. However, if already considering a transformer to boost 208V to a nominal 240V, then sure, why not go for 250V output if possible?

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