PWM VSI Induction Motor Drive

PWM VSI Induction Motor Drive: PWM VSI Induction Motor Drive for traction is shown in Fig. 10.21. A pulsewidth modulated voltage source inverter converts dc into variable frequency and variable…

Continue Reading PWM VSI Induction Motor Drive

Polyphase AC Motors for Traction Drives

Polyphase AC Motors for Traction Drives: Polyphase AC Motors for Traction Drives - Advantages of ac motors over dc we already know. Because of negligible maintenance, ruggedness and higher power…

Continue Reading Polyphase AC Motors for Traction Drives

Traction Motors

Traction Motors: Motors Employed in Traction : Earlier, dc series motor was widely used in Traction Motors. It has high starting torque and capability for high torque overloads. With an…

Continue Reading Traction Motors

Switched Reluctance Motor

Switched Reluctance Motor: The switched reluctance motor (SRM) has both salient pole stator and rotor, like variable stepper motor, but they are designed for different applications, and therefore, with different…

Continue Reading Switched Reluctance Motor

Drive Circuits for Stepper Motor

Drive Circuits for Stepper Motor: A Drive Circuits for Stepper Motor is usually driven from a low voltage dc source. When a phase is to be energised, the dc source…

Continue Reading Drive Circuits for Stepper Motor

Advantage and Disadvantage of Stepper Motors

Advantage and Disadvantage of Stepper Motors: Advantage and Disadvantage of Stepper Motors are as follows; Advantages They are compatible with digital systems and do not require digital to analog conversion…

Continue Reading Advantage and Disadvantage of Stepper Motors

Variable Reluctance Stepper Motor

Variable Reluctance Stepper Motor: Variable reluctance stepper motor can be of single-stack or multi-stack type. Single Stack Variable Reluctance Motor: A variable reluctance stepper motor has salient pole (or tooth)…

Continue Reading Variable Reluctance Stepper Motor