"Where you say, "...To fast charge at 250KW you need some crazy thick cable......" you are right if the EV system is a 400V system. But if it's an 800V system then the cable/wiring size can be the same because the increase voltage level provides the increased power/KwH while the amperage level does not have to be increased. Wire size is driven by "amperage" and not voltage.
Since Power (KwH) equals Voltage times Current (i.e, P=EI) if a charger cranks out 450V times 300A into the EV that is 135KW going into the EV. On a 400V system approx 450-475V is used to reach full/100% charge. But on an 800V system (which more and more EVs are slowing coming out with) using a 850V charging voltage at 300A (same amperage as on the 400V system) that pumps 255KW into the battery. The EV's physical electrical wiring size is primarily determined by the "amperage" which needs to flow thru its charging wires; you can basically keep the wiring the same size by increasing the voltage while maintaining the amperage level.
Yeap...800V and even some 1000V charging systems which allow really high KW power levels is because the increased KwH is obtained from using an increased voltage level and not an increased amperage level.....that is, the P=IE reason. Increase power by increasing the voltage level (no need to increase wire size) and not the amperage level.
Thanks for the response. She manages it and has power of attorney for the place so she'll have the owner's details and docs like she did for my extension a couple of years ago.
I guess the hooker look is in, not that it was ever out. Strange for an Asian to fall for it. If standing on a corner in Philly, she'd be rousted by PoPo and told to move along
Unless you are genetically blessed and have the face and body, then all women are gold diggers. Women select based on two attraction factors, one is exciting lifestyle, money and resources, the other is face, body and overall looks. Intelligence, kindness and loyalty are nice to haves, but not really important.
This is about a man who criticizes the government support of housing. The US Government was a major factor in how so many US citizens were able to afford housing in the 1940-s to 1960's. And yet it seems that he wants to stop that role so that his cronies can make a bigger profit from affordable residential housing. This is not about other people who you are tossing out here to distract.
Recommended Posts
Create an account or sign in to comment
You need to be a member in order to leave a comment
Create an account
Sign up for a new account in our community. It's easy!
Register a new accountSign in
Already have an account? Sign in here.
Sign In Now