EV (electric vehicle) News & Discussion

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#3314150 29-Nov-2024 12:09

Other than having the V2L cable sitting in my wife's car, the only other thing we've got sorted is a portable induction hob. I mean to get around to testing running the microwave off V2L; I get there's a risk the load may be too much at full power but as an inverter microwave I'm hoping at reduced power it'll be ok.

For us, the most common use of V2L would be when on road trips - making a cuppa, cooking when camping etc. Our problem is, though, our EV with V2L (an MG4) is too small for family trips, and our family tripper EV (a Model Y) doesn't have V2L. Really frustrating in that the MY is otherwise so well set up for overnight stays; we have the window shades, a mattress etc, and of course the camp mode... (The dumb solution would be to take both cars!)

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Scott3

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#3314152 29-Nov-2024 12:12

HarmLessSolutions:

This V2L discussion is exactly why we disregarded it as a practicality. For us it would involve running extension leads to the water pump (which is in the garage next to the car so easy), but more a problem is a fridge and 2 chest freezers across the driveway and for one freezer then downstairs, so all in all not a workable solution in the case of an outage. Add to that router, laptop and VoIP connected phones and it all just gets ridiculous.

Far better to add battery storage with blackout facility to our solar system, or hold out until V2G fills the same role which looks to be getting closer with the regulatory changes being implemented in Australia, whose electrical standards also apply here.

But for those pursuing a V2L based approach perhaps myenergi's V2L based AC V2H system is worth considering. Then it's just a matter of restricting what you hook onto a feed that has available ampage due to the EV's limitations.

Your solution is technically better: Automated switch over, ability to run indefinitely if you manage consumption below the capability of the system, doesn't require the car to be home, doesn't require running down the car battery (and indeed could charge the car) which could be important if it was your only car and you wanted to use it to leave the region.

But it is both much more expensive and leverages off your existing solar system.

As an intermediate solution, it is possible to get an electrician to wire a change over switch, and generator inlet socket to power the entire house. While one would need to be very careful about max current drawn, it avoids the need to trail extension cords everywhere.

richms

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#3314178 29-Nov-2024 13:24

lchiu7:

Just wanted to gain the group's view on this topic. If you have an EV with V2L, have you made provisions to use that feature should you have a power outage? Obviously you need to work out which are they the key pieces of equpment that need to have power. I would imagine they would be the ONT (if you have fibre), your broadband router, possibly a portable induction hob and some portable lights. In case of an extended outage (how can you tell) you would want your fridge/freezer covered also. And that is the dilemma. Most of us would have our fridges connected to an outlet behind them against the wall and would be loathe to drag the fridge out to connect to the car. Ideally if we could plug in an electrical extension into the wall, and somehow drape it over the top or side of the bridge, and then plug the fridge into that. Then in an outage, it should be easier to unplug the bridge from the extendion cable into the power stirp attached to the car. According this video (this is using an Iioniq 5) you could run the house on the car for a few days. This is 110V but the avalable power would be comparable.

https://www.youtube.com/watch?v=yO5fJ8z66Z8&t=700s

My car doesn't, but if it did, it would be no different from when I have to use the generator which is a few extension cords out of the basement door and up thru the trapdoor into the house to important things.

My fridges/freezers all have accessible power plugs, so with 2 extensions to the house and 1 to the garage I would have them all running off whatever source when needed. The equipment rack is beside the basement trap door so easy to plug that in to get the internet etc working again and the server rack is not really important enough to power up in an extended outage.

Richard rich.ms

johno1234

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#3314184 29-Nov-2024 13:32

How expensive/hard is it to wire in a manual disconnect-change over switch to disconnect the house from the network and connect an alternative supply?

Obviously you wouldn't be able to power stuff like HWC and cooking etc but could run the house refrigeration, LED lighting and internet off a small generator or similar?

MikeFly

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#3314215 29-Nov-2024 15:05

johno1234:

How expensive/hard is it to wire in a manual disconnect-change over switch to disconnect the house from the network and connect an alternative supply?

Obviously you wouldn't be able to power stuff like HWC and cooking etc but could run the house refrigeration, LED lighting and internet off a small generator or similar?

Cost me just on $1000 to have an appliance socket, 63A breaker and change over switch put on the meter board, however that also included rewiring some of the switchboard to move things I wanted onto the same phase (3 phase feed) as the backup feed.

deepred

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#3314216 29-Nov-2024 15:06

SaltyNZ:

johno1234:

They must have got stuck with a lot of EV9 stock - they are so heavily discounted. Quite luxurious and all the bells and whistles but the size of an aircraft carrier. The EV9's giant 100kWh batteries are LiPo type

LiPo!? That's going to look hilarious (and scary) when they inevitably swell up to twice their original size.

So just to clarify, that's lithium-polymer, not lithium-polonium, right?

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#3317424 6-Dec-2024 07:23

SaltyNZ

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#3317437 6-Dec-2024 08:14

deepred:

So just to clarify, that's lithium-polymer, not lithium-polonium, right?

No, those ones are only homologated for the Russian market. For reasons unclear, not only are cars with such batteries exempted from Russian export sanctions, they're actively encouraged. *shrug*

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HarmLessSolutions

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#3317652 6-Dec-2024 22:03

Why is China so dominant in today's international car market?

https://www.harmlesssolutions.co.nz/

deepred

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#3317656 7-Dec-2024 02:59

SaltyNZ:

deepred:

So just to clarify, that's lithium-polymer, not lithium-polonium, right?

No, those ones are only homologated for the Russian market. For reasons unclear, not only are cars with such batteries exempted from Russian export sanctions, they're actively encouraged. *shrug*

Russia + polonium = Alexander Litvinenko.

fastbike

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#3317660 7-Dec-2024 06:50

HarmLessSolutions:

Why is China so dominant in today's international car market?

This guy is saying that the legacy car makers are getting wiped out by Chinese electric cars that are cheaper (for a variety of reasons) and many are just better.

https://www.youtube.com/watch?v=O2lbs80dwN8

In the meantime we have the clowns running Toyota and BMW shilling for hydrogen. What will the market look like in 5 years, both here and globally. Expect to see massive retrenchment as well as some marques disappearing all together.

HarmLessSolutions

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#3317724 7-Dec-2024 09:39

fastbike:

HarmLessSolutions:

Why is China so dominant in today's international car market?

This guy is saying that the legacy car makers are getting wiped out by Chinese electric cars that are cheaper (for a variety of reasons) and many are just better.

https://www.youtube.com/watch?v=O2lbs80dwN8

In the meantime we have the clowns running Toyota and BMW shilling for hydrogen. What will the market look like in 5 years, both here and globally. Expect to see massive retrenchment as well as some marques disappearing all together.

I don't have a lot of time for Sam Evans/Electric Viking videos. Click baity titles full of (AI sourced?) statistics being read out with Sam's suppositions slotted in between. His piece on the NZ RUC was way off the mark as he joined all the wrong dots on its workings.

Ed Conway in contrast is a well researched journalist and author of the brilliant 'Material World'. If you want to gain a deep insight into how the extraction and marketing of the ingredients that are essential to our lives and modern technologies influence geopolitical matters this is a must read. It puts a whole new light on many of the conflicts we're witnessing at present.

https://www.harmlesssolutions.co.nz/

tweake

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#3317742 7-Dec-2024 10:35

fastbike:

This guy is saying that the legacy car makers are getting wiped out by Chinese electric cars that are cheaper (for a variety of reasons) and many are just better.

https://www.youtube.com/watch?v=O2lbs80dwN8

In the meantime we have the clowns running Toyota and BMW shilling for hydrogen. What will the market look like in 5 years, both here and globally. Expect to see massive retrenchment as well as some marques disappearing all together.

you have to take electric viking comments with a bucket of salt. hes an ev fanboy.

china is pushing heavy on electric cars as it allows them to jump ahead in the automotive world. no doubt there's govt incentives for people to buy ev's, especially in china and a bit of national pride goes a long way. so legacy manufactures have lost a lot of sales in china.

ice vehicles are not going anywhere anytime soon, there is technical reasons for that. the only way to replace some of those is to go hydrogen. so having brands invest and develop hydrogen tech is a good thing. but its going to take time.

there is so many brands now, i think there will be a fight and we will have to wait and see to see who is left standing. i think quite a few Chinese brands will disappear, but also quite a few legacy brands as well.

the battery tech thats in development at the moment, looks like a game changer and should enable ev's to be sold based on real world realities not hype for mass market. add to that the improvements in home energy production (mostly solar) will really aid it a lot, however our housing market will be a liability to that.

HarmLessSolutions

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#3317783 7-Dec-2024 12:29

tweake:

fastbike:

This guy is saying that the legacy car makers are getting wiped out by Chinese electric cars that are cheaper (for a variety of reasons) and many are just better.

https://www.youtube.com/watch?v=O2lbs80dwN8

In the meantime we have the clowns running Toyota and BMW shilling for hydrogen. What will the market look like in 5 years, both here and globally. Expect to see massive retrenchment as well as some marques disappearing all together.

you have to take electric viking comments with a bucket of salt. hes an ev fanboy.

china is pushing heavy on electric cars as it allows them to jump ahead in the automotive world. no doubt there's govt incentives for people to buy ev's, especially in china and a bit of national pride goes a long way. so legacy manufactures have lost a lot of sales in china.

ice vehicles are not going anywhere anytime soon, there is technical reasons for that. the only way to replace some of those is to go hydrogen. so having brands invest and develop hydrogen tech is a good thing. but its going to take time.

there is so many brands now, i think there will be a fight and we will have to wait and see to see who is left standing. i think quite a few Chinese brands will disappear, but also quite a few legacy brands as well.

the battery tech thats in development at the moment, looks like a game changer and should enable ev's to be sold based on real world realities not hype for mass market. add to that the improvements in home energy production (mostly solar) will really aid it a lot, however our housing market will be a liability to that.

This is the best presentation I've seen on the viability and realities of hydrogen. If you want to avoid Robert's preamble skip the first 6 minutes or so. Prof. Cebon is an expert in his field and presents the information very eloquently.

https://www.harmlesssolutions.co.nz/

tweake

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#3317785 7-Dec-2024 13:11

HarmLessSolutions:

[This is the best presentation I've seen on the viability and realities of hydrogen. If you want to avoid Robert's preamble skip the first 6 minutes or so. Prof. Cebon is an expert in his field and presents the information very eloquently.

was there any particular point you wanted to make about that ?

i only skimmed through it, it looks like the usual.

the simple problem is batteries don't have enough energy density for the weight for heavy use. plus the massive problem of charging. while green hydrogen can be inefficient and therefore costly, its energy dense enough to be useable and the infrastructure is easier to set up than the massive wide spread upgrades required for charging batteries.

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