- Joined
- Mar 1, 2014
- Messages
- 4,579
- Points
- 828
The trouble is, they've only got another 22 years before the petrol/diesel ban arrives!
Sorry Andy you are completely wrong apart from "Anything is possible if you are willing to pay your money.". Every house is NOT "Plugged into the 3 phase system" and every house one the same side of the street is not on the same phase. The 3 phase feeder runs down the street and each house has a single phase cable tapped into it, every third house on the same phase. They do not waste metal feeding two unused phases to each house. On modern systems they don't even have seperate neutral and earth conductors, the use the sheath/armour for both. Yes industrial unirs have 3 phase supplies houses don't. To get 3 a 3 pase supply involves digging up the road, trenching (or blind boring) from there to the house and installing a new 3 phase cable. Not a cheap job. The company I knew that had to pay for a substation was in a fairly modern (1970's) industrial estate, no housing at all. Still no nswer on how they will supply hundreds of charging stations at motorway services. A conservative number for the near future would be 50 80kW and 20 120kW (Tesla) charging at a services would consume over 6MW. Thats a lot of power.
Robert G8RPI
Roberts right, every third house on single phase, flats multi dwellings usually have 3 phase at entry point, but then down to single phase at individual consumer units. Hence not all the houses go out in the event of a fault/power cut, same will apply with street lighting depending on scale.
If this were the case then as previously noted, in the event of a power cut every third house would neatly go without power, which of course doesn’t happen, 100/200 yards of houses go out while others in the street still have lights.
Robert talks about wasting money, they don’t waste money running an individual cable to every house from the 3 phase supply.
One line off the 3 phase system can power dozens of houses in a row
You are wrong,
Just quit it.
You work on aeroplane avionics for a living, that has nothing to do with 3 phase power transmission and and isn’t even in the same ball park as power transmission and distribution.
The other day you claimed you did optical design on a discussion about head lights. You’ve plastered your CV on the internet, doesn’t appear to mention any of this stuff you now claim, just many years of playing with planes.
You just like to troll any arguments and try and hide behind a qualification to claim you know about any given subject.
I worked for Fluke Precision measurements as an engineer 9 years ago, we built and designed and repaired power meters, installation testers and calibration equipment. For all of the above.
We wrote the book on this stuff and every sparky in the country used our stuff. I still have a lot of friends work in the industry, my father in law owns an electricians company in North Yorkshire. Also this stuff hasn’t changed since the 1950s I might be a little rusty on things these days but I still remember and know enough to know when someone is google bashing.
That thought just randomly occurred to me, as I'd imagine a lot of mass produced EVs will be made from steel in order to help keep costs down?
Out of interest, how many electric Souls did Kia manage to sell in the UK?
A thought crossed my mind during the evening. If the EV needs charging overnight, it sort of prevents going out for the evening, or maybe even popping out for a takeaway if a full charge is important next day. So, early to bed everyone.
I'm going to be honest and say I probably wasn't entirely awake when I made the 7kwh comment..god knows.
I've mainly been playing around with this https://leccy.net
You won't have a 3 phase charger at your home address but you can certainly plan one into your route. Also the leaf has previously had a fast charge capability and continues to offer that in the new model which allows 80% charge in 40 minutes off the correct power source.
Main point was though unless you are charging off a 2.3kw domestic socket charging all night is not required.
The Leaf has the option of a home fast charger 7kw charger full charge in around 7.5 hrs
Pod point do a 22kw home charger (provided your local infrastructure supports) for 1k installed taking into account 500 quid government grant. Not quite the full 50kw beast that you get in public places but should be more than enough to charge a 40kw leaf pretty damn quickly.
Won't charge a Leaf any quicker as the onboard charger is what will limit this. Only the Zoe and B-Class ED will charge at 22kw. Most EV onboard chargers are either 3.3 or 6.6kw.
Did wonder about that..find it a little odd it apparently accepts 50kw (I'm guessing that's part of the optional fast charge system) but that's DC rather than AC if I have the correct understanding.
Had the pleasure of riding in the back of a '14 reg Prius yesterday, for about 20 miles. Don't often get the opportunity to sit in the back of any car, so a nice opportunity. Very comfortable.
Surprisingly a little noisier than expected. Taxi driver says it is the only downside to this and earlier Prius models. Presumably some soundproofing left out to save weight, helps compensate for heavy batteries. Working as a taxi, mostly in and around Oxford, his display shows 65mpg, so overall not bad at all.
Working as a taxi, mostly in and around Oxford, his display shows 65mpg, so overall not bad at all.
Surprisingly a little noisier than expected.