Home > Off Topic > Boris bans petrol, diesel, hybrids by 2035, 2032 ,2030 |
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Supacat Member Since: 16 Oct 2012 Location: West Yorkshire Posts: 11018 |
Looks like BMW are making strides in this direction: Click image to enlarge Autoblog (@therealautoblog) Tweeted: BMW X5 hydrogen fuel cell version coming by 2022: https://t.co/7hPkme3HrM https://t.co/OOxXyYrax7 https://twitter.com/therealautoblog/status...70534?s=20 |
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25th Jul 2020 6:16pm |
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Mossberg Member Since: 29 Feb 2020 Location: Lancs Posts: 553 |
I can see only one way electric cars will a viable alternative, and that is to have replaceable batteries. All batteries would have to be a universal standard where you would have to go to a battery changing station rather than a petrol station. You would need an attendant to change them (unless this could be automated). This would allow for an instant"fill up" which would remove the range issue. This would allow for focused charge areas (battery stations), so the infrastructure change would be significantly reduced.
You would still be able to charge at home or at a charge point. Another thing that this would do is protect the resale value of the vehicle. As batteries would be changed then the deterioration would not be an issue. The rolling cost of battery replacement would be included in the "fill up" cost or as an annual tax. The lower vehicle depreciation would make buying one more viable. If this was the basis of moving this forward then I feel EVs would be viable. Perhaps the UK could be a leader in this? |
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26th Jul 2020 8:20am |
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Bluest Member Since: 23 Apr 2016 Location: Lancashire Posts: 4216 |
It was an NG employee that told me that, but I guess you are inferring that is not the truth. 2007 110 TDCi Station Wagon XS |
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26th Jul 2020 8:28am |
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Supacat Member Since: 16 Oct 2012 Location: West Yorkshire Posts: 11018 |
Too late for us now...
https://www.defender2.net/forum/post834931...nio#834931 |
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26th Jul 2020 8:46am |
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Zed Member Since: 07 Oct 2017 Location: In the woods Posts: 3310 |
Potentially good news. https://www.theguardian.com/uk-news/2020/j...igafactory WARNING.
This post may contain sarcasm. |
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26th Jul 2020 9:40am |
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Bian Considine Member Since: 25 Jul 2020 Location: Margate Posts: 53 |
He may have been referring to the 132kV lines - the guys I've spoken to (mostly 415v & lower) certainly don't think it's up to it. My Southern Gas Networks neighbour knows a lot of National Grid guys & they are all of the same (unofficial) opinion. I suppose it depends on the "official" line or the personal & more accurate line. Certainly, the National Grid cable entering my house cannot provide any additional capacity. |
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26th Jul 2020 10:30am |
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Supacat Member Since: 16 Oct 2012 Location: West Yorkshire Posts: 11018 |
Excellent news for South Wales |
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26th Jul 2020 11:45am |
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Retroanaconda Member Since: 04 Jan 2012 Location: Scotland Posts: 2655 |
National Grid look after the major transmission network, mostly 400kv and above tower lines. They do not operate the distribution network, which deals with the lower voltage links from substations out to local networks and properties. Unless you have a strange setup the cable into your house will be managed by the local Distibution Network Operator and not National Grid. For you in Margate that is likely to be UK Power Networks. |
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26th Jul 2020 1:36pm |
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Bian Considine Member Since: 25 Jul 2020 Location: Margate Posts: 53 |
I stand corrected & should have remembered it's UK Power Networks on the lower voltage side.
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26th Jul 2020 5:09pm |
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Supacat Member Since: 16 Oct 2012 Location: West Yorkshire Posts: 11018 |
What sort of supply would you be wanting though? |
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26th Jul 2020 5:13pm |
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Bian Considine Member Since: 25 Jul 2020 Location: Margate Posts: 53 |
My house was built in 1928 when electrical demand was low. The cable conductors look to be 7/044" which is roughly equivalent to 6.0mm2
The incoming voltage goes up & down like a yo, yo, with frequent "brown outs" requiring the installation of a number of UPS units installed throughout the property for sensitive equipment. |
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27th Jul 2020 1:51am |
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miker Member Since: 13 Sep 2015 Location: Surrey Posts: 1763 |
Based on what I've been told, and my power distribution module at uni, diversity is the big issue. In the UK most homes have a feeder that is somewhere between 60&100A.
A kettle is around 12A, Electric shower anywhere from 20-40A. This is fine as even 40+12+all the other bits is comfortably under 60. The issue comes with adding a 32A fast charger onto that, and is compounded by the fact that the kettle runs 3 minutes at a time, the shower maybe 10-20 for a really long shower. The fast charger is pulling 32A for up to 4, maybe even 6 hours? While the cable into the property is good for 100A, the substation transformer is really only built for a long term average load of 20A per house. Whe. Everyone is trying to charge their car most nights, there will be issues, which will be compounded by the move away from fossil fuel heating in modern properties as well. |
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27th Jul 2020 2:44am |
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Supacat Member Since: 16 Oct 2012 Location: West Yorkshire Posts: 11018 |
I like the way you lay out your reasoning, but there's one element that I would challenge:
"Everyone is trying to charge their car most nights". Assuming 40kW battery (as in your 4-6 hours charge time), then the vehicle range will be 150 miles plus. Not many people will be doing that range daily. If you look to average range of 30 miles or less per day then average charges will either be less per day or less frequently - maybe just every 5 days. That's ignoring those that will leave their vehicles plugged in at home when not using them and so not using night time capacity; a further sub-set with solar who will trickle charge; and another with home battery capacity who can modulate charging. |
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27th Jul 2020 7:48am |
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Supacat Member Since: 16 Oct 2012 Location: West Yorkshire Posts: 11018 |
Wow - what size is the meter fuse? |
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27th Jul 2020 7:52am |
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