Small high-speed induction motors

Small high-speed induction motors

This paper presents the design, construction and testing of two high-speed induction motor prototypes. Both machines have a laminated squirrel-cage rotor and a rated torque of 0.29 Nm at 50000 rpm, i.e. a rated power of 1.5 kW. The main difference between the machines is the number of poles, one 2-p...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Johansson, M., Larsson, M., Naslund, L., Hylander, J.
Format: Tagungsbericht
Sprache:eng
Schlagworte:
Current measurement
Frequency measurement
Harmonic analysis
Induction motors
Phase measurement
Prototypes
Rotors
Testing
Time measurement
Torque
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Beschreibung
Zusammenfassung:This paper presents the design, construction and testing of two high-speed induction motor prototypes. Both machines have a laminated squirrel-cage rotor and a rated torque of 0.29 Nm at 50000 rpm, i.e. a rated power of 1.5 kW. The main difference between the machines is the number of poles, one 2-pole design and one 4-pole design. The machines are compared regarding harmonics, based on measurements and the interaction between harmonics in the time and space domains are theoretically discussed. Harmonic analysis of the measured phase current at different frequencies and inverter modulations is also compared.
DOI:10.1109/IEMDC.2003.1211276