Fuel Economy, Hypermiling, EcoModding News and Forum - EcoModder.com - View Single Post - Paul & Sabrina's cheap DIY 144v motor controller

MazdaMatt · 04-30-2009, 05:01 PM

lets see now... 144V - 1.2V (approximate diode drop, total guess, actually) = 142.8V... now... P=(V^2)/R.... 142.8*142.*/2.5 = 8.1kW... I'm thinking that's more kW than 0.040

So... how about that PWM pre-charge mosfet circuit?

edit: what's the capacitance and time constant, btw?

04-30-2009, 05:01 PM	#1106 (permalink)
MazdaMatt Master EcoModder Join Date: Jun 2008 Location: London, Ontario Posts: 1,096 2k2Prot5 - '02 Mazda Protege5 90 day: 33.82 mpg (US) Thanks: 0 Thanked 17 Times in 14 Posts	lets see now... 144V - 1.2V (approximate diode drop, total guess, actually) = 142.8V... now... P=(V^2)/R.... 142.8142./2.5 = 8.1kW... I'm thinking that's more kW than 0.040 So... how about that PWM pre-charge mosfet circuit? edit: what's the capacitance and time constant, btw?