EV (electric vehicle) News and Discussion

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#3359123 31-Mar-2025 15:07

jonathan18:

Because these chargers are powered by batteries, charging at Springs Junction isn't guaranteed. If the batteries run out, you won't be able to charge. We encourage you to check the amount of energy available in the batteries before you turn up.

Maybe they should be limiting the amount of charge that can be drawn, so that people can get from there to Murchison, Reefton or Hanmer Springs rather than all teh way to their destination. It would be a bit crap if you got there in the afternoon and a Tesla driver had drained it.

Edit: just seen that only 164kWh is available !. Crikey.

[Mod edit (MF): fixed company name]

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jonathan18

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#3359126 31-Mar-2025 15:10

fastbike:

It would be a bit crap if you got there in the afternoon and a [intentional bad name] driver had drained it.

Really? I don't think this is warranted or needed here.

SaltyNZ

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#3359129 31-Mar-2025 15:19

fastbike:

and a [intentional bad name] driver had drained it.

Yeah yeah we all know Elon is a Nazi. If you want to put YOUR money where your mouth is, I’ll flick you my bank account number so I can go replace it with a BYD Seal. Until then, whatever.

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jarledb

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#3359131 31-Mar-2025 15:24

fastbike:

Maybe they should be limiting the amount of charge that can be drawn, so that people can get from there to Murchison, Reefton or Hanmer Springs rather than all teh way to their destination. It would be a bit crap if you got there in the afternoon and a [intentional bad name] driver had drained it.

Remember that the FUG states:

When talking about a company, use their real name. We follow the principle that respect must go both ways.

So to be clear, you broke the FUG. Don't do it again.

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MikeFly

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#3359137 31-Mar-2025 15:54

SaltyNZ:

BYD Seal.

Nah mate, Uygher problem, anyone in Korea said or done anything offensive? Kia might not offend anyone :)

jarledb

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#3359138 31-Mar-2025 15:59

Let us not get into general politics here, there is a dedicated group for that.

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PolicyGuy

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#3359139 31-Mar-2025 16:04

jonathan18:
The BESS charges overnight when demand is low, then supplies energy to the chargers during the day.

Because these chargers are powered by batteries, charging at Springs Junction isn't guaranteed. If the batteries run out, you won't be able to charge.

The BESS only charges up at night?
It looks like they pump about 160kWh into the BESS in an 9-hour overnight charge, so that's about 18kVA load, say 70A single phase, only a little more than a 63A 'standard' single-phase residential supply. If the supply is 3-phase, it's not much load at all.
I can understand BESS recharging being turned off in the morning and dinner time peaks, but I can't believe that the local infrastructure so skinny that they can't even support at least a Blue Caravan trickle charge - more likely double that - in the gaps in between.

Weird

MikeFly

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#3359142 31-Mar-2025 16:08

jarledb:

Let us not get into general politics here, there is a dedicated group for that.

Sorry about that, dark sense of humour :)

SaltyNZ

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#3359146 31-Mar-2025 16:17

PolicyGuy:

The BESS only charges up at night?

Yes, under "How do I charge between 11pm and 4am?" It says that that is the only time they are connected to the local grid. I suppose they already considered whether they should be able to pull a trickle during the day and decided against it for a good reason.

But it also implies they can make changes under "What happens if there's no charge in the batteries when I arrive?" so perhaps after monitoring it for some time they may decide it can trickle during the day. Having said that the other answer also says it takes up to 10 minutes to change mode and you cannot charge during that time so it might not be as simple as we might think.

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Scott3

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#3359155 31-Mar-2025 16:46

fastbike:

Maybe they should be limiting the amount of charge that can be drawn, so that people can get from there to Murchison, Reefton or Hanmer Springs rather than all teh way to their destination. It would be a bit crap if you got there in the afternoon and a Tosler driver had drained it.

Edit: just seen that only 164kWh is available !. Crikey.

That's live, not total. Currently at 158 kWh,

Total battery pack size (in the FAQ) is 320 kWh.

RunningMan

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#3359250 31-Mar-2025 20:58

PolicyGuy:[snip]
It looks like they pump about 160kWh into the BESS in an 9-hour overnight charge, so that's about 18kVA load, say 70A single phase, only a little more than a 63A 'standard' single-phase residential supply.

They're saying 15 x 22kWh charges per day, (330 kWh total) from a battery capacity of 360 KWh. Presumably they can charge to full from zero in that 5 (not 9) hour window. That would be a 72 kVA load.

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RunningMan

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#3359251 31-Mar-2025 20:59

Scott3:

Total battery pack size (in the FAQ) is 320 kWh.

It's 360 kWh (3 x 120 kWh packs) from the FAQ.

RunningMan

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#3359252 31-Mar-2025 21:02

There's talk in the FAQ of no more than a 10 kW change in load at any given time. It may be the 10 minute changeover period is to slowly ramp up/down the load so as not to affect voltage/frequency.

Ge0rge

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#3359261 31-Mar-2025 21:41

Wonder if it will become a target for thieves? A standard charger would do most people no good at all, but a battery storage system might be rather more attractive?

Scott3

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#3359262 31-Mar-2025 21:47

RunningMan:

There's talk in the FAQ of no more than a 10 kW change in load at any given time. It may be the 10 minute changeover period is to slowly ramp up/down the load so as not to affect voltage/frequency.

That seemed like a really strange design decision. 10 kW is frustratingly slow.... Other battery buffered charge stations exist in NZ, strange that this one has a battery, but needs to be in distinct online / offline modes, rather than switching to a buffered mode when the grid is available.

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