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This paper proposes a three phase wound-field switched-flux (WFSF) machine. It is found that under the constraint of same copper loss, this machine has much higher average torque compared with the conventional 12-slot/8-pole machine with segmented rotor and 12-slot/5-pole WFSF machine. All of those machines have been optimized to achieve the maximum torque for comparison. The performance, including...
This paper presents a comparative study of two types of low cost single-phase wound-field switched flux machines with DC field and AC armature windings having the same coil-pitch of 2 slot-pitches and having different coil-pitches of 1 and 3 slot-pitches, respectively. Both can share the same stator lamination but the later can have shorter end-windings and lower iron loss for the 12-slot/6-pole configuration...
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