Implementation and Analysis of Thermal Model of High Voltage Induction Motors

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Khosravifar, Mahdi | 2024

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Type of Document: M.Sc. Thesis
Language: Farsi
Document No: 56826 (05)
University: Sharif University of Technology
Department: Electrical Engineering
Advisor(s): Oraee Mirzamani, Hashem
Abstract:
Today, various industries rely on high-power, high-voltage induction motors for diverse applications. Given the critical role these motors play, any reduction in their lifespan or occurrence of failures can lead to substantial financial losses and even pose risks to lives. One significant factor influencing motor life is the temperature of its components. Manufacturers strive to enhance motor power while minimizing dimensions for economic reasons, but this increases power density and subsequent losses, elevating motor temperature. Consequently, thermal analysis becomes crucial, posing a significant challenge for companies producing high-power induction motors. In this study, a thermal model based on heat transfer equations has been presented, employing the lumped parameters method and tailored for 6.6 kV induction motors from Jemco. We assess its accuracy by comparing it with practical test results, exploring the impact of various parameters on different motor components' temperatures
Keywords:
Thermal Modeling ; Heat Transfer ; Temperature Distribution ; Lumped Parameter Method ; Induction Motors ; High Voltage Induction Motors

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