SpecialPurpose Electric Machine

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