Modified PWM Direct Instantaneous Torque Control System for SRM

Figure 6

Operation of MP-DITC with commutation and single-phase conduction. (a) PWM of phase A and instantaneous torque error during commutation conduction. (b) PWM of phase B and sampling of torque error during commutation conduction. (c) PWM of phase B and sampling of torque error during single-phase conduction.

(a)

(b)

(c)