View Single Post
  #272  
Old 11-17-2017, 08:14 AM
jz78817 is offline
Guest
 
Join Date: Aug 2010
Location: Under Oveur & over Unger
Posts: 11,873
Quote:
Originally Posted by SamuelA View Post
Where is your 1500 amp figure coming from?

I was calculating it as : 258 horsepower from model 3 drive motor. (from an EPA document)

745 watts per horsepower. 400 volts pack voltage. 258*745/400 = 480 amps.

Fun fact, in the industry I'm in, we've noticed a shortage of silicon carbide mosfets. To get 480 amps you need around 10-15 50-amp FETS per channel, which is around what people have found when tearing down model S motor controllers.
the Model S/Model X "P" variants.