NDLI: High-speed solid rotor induction motor design with improved efficiency and decreased harmonic effect

Content Provider	IET Digital Library
Author	Gulbahce, Mehmet Onur Kocabas, Derya Ahmet
Abstract	Depending on its mechanical and thermal advantages, solid rotor induction motors (SRIMs) are widely used in demanding high-speed applications. Since eddy currents are set free in SRIMs, great part of rotor losses is caused by space harmonics created in the air-gap. Rotor losses are increased tremendously in high-speed applications with the remarkable increase in driving frequency. Here, an innovative design representing a novel stator and rotor combination that is not achieved in previous studies is proposed by structural changes to stator to eliminate major effective space harmonics. An unconventional stator slotting pattern and winding distribution is calculated by nature-inspired numerical optimisation techniques while keeping the fundamental winding factor relatively high. An example design where novel concepts are implemented is presented and a comparison is given in terms of important operational quantities with that of a standard SRIM.
Starting Page	1126
Ending Page	1133
Page Count	8
ISSN	17518660
Volume Number	12
e-ISSN	17518679
Issue Number	Issue 8, Sep (2018)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-epa/12/8
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-epa.2017.0675
Journal	IET Electric Power Applications
Publisher Date	2018-01-02
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Air Gap Air-gap Asynchronous Machine Decreased Harmonic Effect Design Driving Frequency Fundamental Winding Factor Harmonics High-speed Solid Rotor Induction Motor Design Induction Motors Nature-inspired Numerical Optimisation Technique Numerical Analysis Numerical Method Optimisation Optimisation Technique Power Supply Quality Protection Apparatus Rotor Loss Rotors Space Harmonics SRIM Stators Unconventional Stator Slotting Pattern Winding Distribution
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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