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Nowadays the high-speed induction motors are widely used in many industrial installations and also in aircraft industry. Many of them are designed as converter-fed induction machines. Some electrical drives with not so sophisticated speed control have voltage shape with many higher harmonics. The main aim of the paper will be analysis of the no-load current and magnitude of magnetic flux density for...
In the paper, circuit and field-circuit analyses of the stator no-load current and core losses in the high-speed induction motors with stator core made from different magnetic materials are presented. The circuit analysis is possible only for the first harmonic of the supply voltage. For the real shape of the voltage which has many higher harmonics accurate field - circuit analysis is necessary. The...
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