I also am amazed at the length of time to develop (or publish) the standard. Looks to me like the automotive industry would begin with a viable standard and design around that or at least plan on their product being tested to it. I am not in the automotive industry so I don't really know the ins and outs of the industry but it does seem strange.
10 minutes get's us to 80% charged. How long will it take to get to 100%?
You typically would not fast charge past 80%. You'd revert to Level 1 or 2, as it is then approaching the top-off region. At level 2 that would typically add about 24 miles of range per hour for a 6.6kW on-board charger.
So, I'm not an Engineer, so, this may be an incredibly ignorant question, but, from a consumer (who is *extremely* interested in getting an electric car) standpoint I wonder about compatibility. The article mentions that the quick charging stations won't be available for homes (which is fine), but also mentions that the hardware will have two extra pins... will the interfaces still be able to be used with home-based charging stations?
Good question, Lardo140. I'll try to get an answer for you (or maybe one of our readers knows the answer). The last 20% takes a long time because the charge rate slows down at that point. Because these battery packs are so expensive, everyone is afraid of damaging them through overcharging.
Of course you mean most homes in North America, not France, for example. In any case, a home either has a 24 kVA or 48 kVA power entry. A full charge is perhaps 16 kWh. The math says 20 minutes but likely more if you want to keep the lights on or less if you have storage. But everything has to start somewhere. Setting the vehicle capability high in a standardized way permits standards to be developed. 10 minute charging implies 96 kVA at the vehicle and ~10 kWh of storage in a residential charger. Or, houses could be supplied with 240/120 3-phase (wild phase) power, like many commercial buildings, increasing the service to 83 kVA for the cost of one wire. But in the real world, most people don't drive around running on empty. Nor is their average time parked in the drive less than 30 minutes. Obviously for PHEVs - you get what you get based on time available but full charge is only 4-10 kWh so 10 minute charge at home may just be doable.
You don't have to burn any coal. No one is holding a gun to your head. It's a concious decision on your part to do so. Each and every individual American uses 3.4 tons of coal each year. Good choice. There are plenty of better energy sources. The only excuse for coal is that it's cheap mostly because they are exempt from environmental regulations which everyone else must meet and because no one put a value on the land use (now over 200 mountains and 15000 miles of waterways obliterated). At the current rate, in your lifetime you personally will have destroyed 2.5 acres of land and along with 250 friends killed one human. Nice one.
At least this coal burning is domestically made energy rather than part of the $37 Billion we send each month to foreign countries that want to kill us. The implementation of EVs and PHEVs could have profound impacts on our debt while creating thousands of new jobs in the energy production and distribution related fields.
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