July 2023
Intermediate to advanced
736 pages
21h 18m
English
Content preview from Linear Electric Machines, Drives, and MAGLEVs Handbook, 2nd Edition
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10 Linear Reluctance Synchronous Motors Modeling, Performance Design, and Control
Linear reluctance synchronous motors (L-RSM) are characterized by a short primary magnetic core with uniform slots that host a distributed three-phase ac winding and a long variable reluctance (magnetically anisotropic) secondary (Figure 10.1a and b). The distributed three-phase ac windings produce a traveling magnetic field in the airgap; its inductances (self and mutual) vary rather sinusoidally with 2θer (θer rotor electrical angle between phase a axis and the secondary d (high inductance) axis). The key to high performance is a high ratio (and difference) between d and q axis synchronous inductances: a Ld/Lq ≥ 3 is a minimum ...
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