University of South Carolina

of DC motor. 4 point(s) Derive the torque (T) equation of a DC motor. Sketch the relationship between torque (T) and speed (ω) at a given voltage in ω-T coordinates 4 point(s) Derive the expression for the startup torque. Tstartup. This is the torque that the DC motor needs to start up from a stationary condition. 2 point(s) ................
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