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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22 Active Guideway MAGLEVs
22.1 Introduction
By MAGLEVs, we mean here magnetically levitated vehicles:
- For high-speed intercity movers
- For urban/suburban people movers
- For short-haul industrial platforms
Magnetic levitation means controlled suspension and guidance by means of electromagnetic (attraction) or electrodynamic (repulsion) forces. Magnetic levitation may be performed by dedicated d.c.-fed controlled electromagnets—with or without PM assistance—in attraction force MAGLEVs (Chapter 20) or in dc superconducting magnets (or PMs) with air-core active damping coils (Chapter 21). The airgap between the vehicle (platform) and the active guideway has to be dynamically controlled, around rated airgap gm, by ± 25%; ...
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