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International Journal of Engineering، جلد ۳۴، شماره ۵، صفحات ۱۲۱۳-۱۲۲۴
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عنوان انگلیسی Analytical Evaluation of Core Losses, Thermal Modelling and Insulation Lifespan Prediction for Induction Motor in Presence of Harmonic and Voltage Unbalance
چکیده انگلیسی مقاله Electrical motor are the ubiquitous workhorses of the industry, working over wide range of conditions and applications. Modern motors, designed to exact ratings using new materials and improved manufacturing techniques, are now much smaller but have higher loadings. They are being operated much closer to the point of overload than ever before. To ensure a satisfactory lifespan for the motor, temperature rise must be limited to the safe values. This paper proposes an analytical approach to estimate core losses of induction motor supplied by either harmonic content or voltage unbalance source. A model based on the thermal lumped parameters is introduced and used to predict the insulation lifespan of induction motors. Lumped parameters network of the motor is developed based on dimensions of the motor, thermal resistances, thermal capacitances, and loss sources. Then, the model is used to estimate the temperature in different parts of the machine and its insulation lifespan. Finally, the predicted results are verified by experiments.
کلیدواژه‌های انگلیسی مقاله Induction motor,Thermal Modeling,Insulation Lifetime,Harmonic and Voltage unbalanced voltage
نویسندگان مقاله M. Ghods |
Centre of Excellence on Applied Electromagnetic Systems, School of Electrical and Computer Engineering, College of Engineering, University of Tehran, Tehran, Iran

J. Faiz |
Centre of Excellence on Applied Electromagnetic Systems, School of Electrical and Computer Engineering, College of Engineering, University of Tehran, Tehran, Iran

A. A. Pourmoosa |
Centre of Excellence on Applied Electromagnetic Systems, School of Electrical and Computer Engineering, College of Engineering, University of Tehran, Tehran, Iran

S. Khosrogorji |
Faculty of Electrical Engineering, University of Shahid Beheshti, Tehran, Iran

نشانی اینترنتی https://www.ije.ir/article_129347_1a8058c555b9a819934ae7fdc8f9028d.pdf
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