I have a primitive understanding of Joule Heating and I also understand P=IxV and the related equations based on V=IxR. However, i do not understand why in order to deliver a power of 213 kW (for the Roadster as an example) there are 99 batteries in series such that a voltage of 376V is used. Would a lower voltage, say 200V be used? A lower voltage would be good for safety and other benefits.
The current delivered would have to be proportionally higher based on on P=IxV. How much loss due to resistance does exist in this battery pack? The way the battery works now is P=376V x 567A = 213 kW of max power. Could it just as likely deliver the same power according to P=200V x 1066A = 213 kW?
How does the battery pack resistance influence the current delivered? If anyone can shed light on how I can think about this i would appreciate it.
Thanks
The current delivered would have to be proportionally higher based on on P=IxV. How much loss due to resistance does exist in this battery pack? The way the battery works now is P=376V x 567A = 213 kW of max power. Could it just as likely deliver the same power according to P=200V x 1066A = 213 kW?
How does the battery pack resistance influence the current delivered? If anyone can shed light on how I can think about this i would appreciate it.
Thanks