Special-Purpose Electric Machine

1
18
Special-Purpose Electric Machine
2
Figure 18.1(a) Two-pole brushless DC motor with
three-phase stator winding
3
Figure 18.3 Transistor and SCR drives for a
brushless DC motor
4
Figure 18.4 Phase voltages and transistor (SCR)
switching sequences for the brushless DC motor
drive of Figure 18.3
5
Figure 18.5 Performance and efficiency
characteristics of brushless DC motor
6
Figure 18.8 Stepping motor configurations