DC drives offer the ability to control the speed & torque of heavy duty DC motors. Compare Armature Control & Field Control here. Contact Carotron for more!
Separately Excited DC Motor: Example & Problem (PDF & PPT)
Armature Voltage - an overview
Ideal field-weakening power versus speed characteristics at rated and, rated speed
Electrical M/C's and Power Utilization: LESSON 21. DC motor speed control methods-field and armature control
Speed control methods of DC motor
DC Motors
DC motor - Wikipedia
DC Motor: What Is It? How Does It Work? Types, Uses
Speed Control of DC Motor: Armature Resistance Control and Field Flux Control - Circuit Globe