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Optimized Dielectric Design of Medium Voltage Induction Motors
Dr. Pablo Gomez
Electrical and Computer Engineering
AC induction machines are exposed to fast-front pulses when fed from frequency converters. This type of excitation produces additional dielectric stress in the machine’s insulation system which can result in premature deterioration or even failure. In this work, a non-uniform transmission line modeling approach is used in combination with FEM-based parameter computation to predict the transient voltage distribution in a machine winding under fast-front pulse excitation. Using this voltage distribution as input, different optimization algorithms are applied to identify and evaluate modifications to the winding design aimed at minimizing the dielectric stress. A test case is provided to demonstrate that the optimized design considerably reduces the dielectric stress in the machine coils.
WMU ScholarWorks Citation
Hussain, Mohammed Khalil, "Optimized Dielectric Design of Medium Voltage Induction Motors" (2017). Research and Creative Activities Poster Day. 226.
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