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Voltage harmonic variation in three phase induction motors with different coil pitches

Deshmukh, R., Moses, Anthony John and Anayi, Fatih Jamel 2006. Voltage harmonic variation in three phase induction motors with different coil pitches. Journal of Magnetism and Magnetic Materials 304 (2) , e810-e812. 10.1016/j.jmmm.2006.03.005

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Abstract

A pulse-width modulation (PWM) inverter feeding four different chorded three-phase induction motors was tested for low-order odd harmonic voltage component and efficiency at different loads. Total harmonic distortion (THD) due to 3rd, 5th and 9th harmonics was less in a motor with 160° coil pitch. Particular harmonic order for each coil pitch was suppressed and the efficiency of a 120° coil pitch motor was increased by 7.5%.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Engineering
Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering
Publisher: Elsevier
ISSN: 0304-8853
Last Modified: 04 Jun 2017 04:31
URI: http://orca-mwe.cf.ac.uk/id/eprint/40413

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