International Journal of Rotating Machinery / 2012 / Article / Fig 5

Research Article

A Rotor Flux and Speed Observer for Sensorless Single-Phase Induction Motor Applications

Figure 5

Stator currents of the no-load SPIM and their estimated values during a step variation from 10 Hz to 50 Hz in the stator frequency (computational simulation): (a) auxiliary winding , (b) details of , (c) main winding , (d) details of .
276906.fig.005a
(a)
276906.fig.005b
(b)
276906.fig.005c
(c)
276906.fig.005d
(d)

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