12 Flat Linear Permanent Magnet Synchronous Motors
By flat linear permanent magnet synchronous motors (F-LPMSM), we mean here single- or double-sided, short mover or long stator three-phase ac-fed primary and long (stator) or short (mover) secondary configurations, with sinusoidal or trapezoidal emf or current waveform control. Both distributed (q > 1) and tooth-wound three-phase windings in iron or air-core primaries are considered. The tubular linear PM motors (T-LPMSMs) are treated in a separate chapter as their design and control is related to the rather short travel length (below 2–3 m). Linear PM brushless motors with variable reluctance short (mover) or long (stator) secondary and PM primaries that contain both the PMs and three-phase ...
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