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Sensorless speed detection of squirrel-cage induction machines using stator neutral point voltage harmonics (CROSBI ID 144636)

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Petrović, Goran ; Kilić, Tomislav ; Terzić, Božo Sensorless speed detection of squirrel-cage induction machines using stator neutral point voltage harmonics // Mechanical systems and signal processing, 23 (2009), 3; 931-939

Podaci o odgovornosti

Petrović, Goran ; Kilić, Tomislav ; Terzić, Božo

engleski

Sensorless speed detection of squirrel-cage induction machines using stator neutral point voltage harmonics

In this paper a sensorless speed detection method of induction squirrel-cage machines is presented. This method is based on frequency determination of the stator neutral point voltage primary slot harmonic, which is dependent on rotor speed. In order to prove method in steady state and dynamic conditions the simulation and experimental study was carried out. For theoretical investigation the mathematical model of squirrel cage induction machines, which takes into consideration actual geometry and windings layout, is used. Speed- related harmonics that arise from rotor slotting are analyzed using digital signal processing and DFT algorithm with Hanning window. The performance of the method is demonstrated over a wide range of load conditions.

induction squirrel-cage machines; rotor slot harmonics; sensorless speed detection

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Podaci o izdanju

23 (3)

2009.

931-939

objavljeno

0888-3270

Povezanost rada

Elektrotehnika

Poveznice
Indeksiranost