Wednesday, May 22, 2013

Lab 14: MOSFET Control of an electric motor



Intro:
The purpose of this lab is to set up a mosfet for speed control of a provided motor.


Open Loop Voltage Control Circuit






The Gate Voltage is about 4V.
Turning the pot controls motor voltage because it regulated the voltage into the MOSFET
It is difficut to control the speed because there in not a linear relationship with VGS

PWM Chopper MOSFET




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