International Journal of Rotating Machinery / 2012 / Article / Fig 13

Research Article

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

Figure 13

Estimated rotor fluxes of the SPIM during the step from 10 to 50 Hz in the frequency stator (experimental results): (a) estimated rotor fluxes, (b) details of the estimated rotor fluxes at 50 Hz.

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