Hi Blast,

Checked the arithmetic, its actually a lot more ridiculus than first indicated,

1 horsepower hour = 0.745 699 861 kilowatt hour

Therefore a typical family saloon may have 130 hp

Lets be conservative and assume 60hp continuously for a 55 mph journey

Therefore a 500 mile journey = 500/55 x 60 hp = 545.5 hphrs = 406.7 kilowatt hours

Power = Voltage * Current

Therefore Current = Power/Voltage

Current would be 406.7*1000*(60/5) / 220 = 22172 amps

Lets Assuming 95% load efficiency so lets add an additional 5% to the amperage

Total Current load for 5 min = 23281 Amps at 220 Volts

Hmm lets see the 5% energy loss during the energy conversion would be equivalent to 256091 Watts or 0.256 Megawatts. Darn those transistors are going to get mighty warm.

Total Power consumption for 5 minutes for each car is 5.12 Megawatts. A 1250 Megawatt Power station (huge nuclear) would be required for every 245 cars. Lets assume a contention ratio of 1:10. Therefore for every 2450 cars a new 1250 Megawatt power station would be required. For a city of the size of houston about 20-40 new nuclear powers station would be required for the peak rush hour load. (lets assume each car is charged every other 10 days)

Does anyone want to calculate the diameter of the copper cable for the 23281 Amp load at 220v