Grainger CEME

Center for Electric Machinery and Electromechanics

Trunnion Effect on a PMSM with External Rotor Designs

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MS student Yangxue (Sherry) Yu with advisor K. Haran It is important to understand rotor dynamics and correctly capture the rotor’s critical frequencies to predict and improve a motor’s performance. For an external rotor design, the presence of the trunnion effect, modeled as a rotational stiffness at the hub of the trunnion plate, may shift […]

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Brushless Doubly-Fed Reluctance Machines for Turboelectric Distributed Propulsion Systems

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MS student Shivang with Advisor A. Banerjee Turboelectric propulsion uses no batteries for propulsive energy during any phase of flight (unlike hybrid and all-electric systems) and is considered a critical enabler for low-carbon emissions in the aircraft industry. As batteries with high enough power capacity and the specific power required for commercial aircraft are unlikely […]

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Insulation Design and Qualification for Form-Wound Air-Core Armature Windings in High-Frequency Machines

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PhD student Thanatheepan Balachandran, Post-doc Yalin Wang, and MS student Yovahn Hoole with advisor K. Haran A NASA-funded inside-out permanent magnet synchronous motor (PMSM) is developed to demonstrate electric propulsion for commercial electric aircraft. Air-core machine windings are manufactured at UIUC. Insulation qualifications of these windings are evaluated for ground, high-altitude, and life-time tests. The […]

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