Abstract
THREE-PHASE induction motors are the workhorses of industry. About 90% of electrical motors used in industry are of this type. Single-phase induction motors running from the 240V supply are among the commonest in domestic use. All induction motors are cheap, reliable, rugged, lightweight and reasonably efficient; in fact large (> 1 MW) induction motors have efficiencies of up to 98%. Their biggest drawback hitherto has been their small range of operating speeds, though this is changing with the introduction of solid-state, variable-frequency drives. Table 17.1 shows typical characteristics for a small and a large squirrel-cage motor.
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© 2003 L. A. A. Warnes
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Warnes, L. (2003). Induction motors. In: Electronic and Electrical Engineering. Palgrave, London. https://doi.org/10.1007/978-0-230-21633-4_17
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DOI: https://doi.org/10.1007/978-0-230-21633-4_17
Publisher Name: Palgrave, London
Print ISBN: 978-0-333-99040-7
Online ISBN: 978-0-230-21633-4
eBook Packages: Springer Book Archive