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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18 Resonant Linear Oscillatory Single-Phase PM Motors/Generators
18.1 Introduction
Fixed-frequency linear motion applications [1] such as compressors, pumps, vibrators, as well as speakers/microphones use linear oscillatory single-phase PM motors (LOMs), while short-stroke (up to 20 mm in general) applications use linear single-phase PM generators (LOGs) such as Stirling engines or other linear piston engines due to:
- Elimination of rotary to linear motion mechanical transmission
- Simplicity and ruggedness of their topology
- Rather high efficiency and high force density, especially with mechanical springs and operation at resonance frequency (mechanical eigenfrequency = electrical frequency)
- Simplicity (single-phase ...
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