International Journal of Rotating Machinery / 2012 / Article / Fig 11

Research Article

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

Figure 11

Measured and estimated stator currents of the SPIM during the step from 10 Hz to 50 Hz in the frequency stator (experimental results): (a) auxiliary winding , (b) details of at 50 Hz, (c) main winding , (d) details of at 50 Hz.

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