International Journal of Rotating Machinery / 2012 / Article / Fig 12

Research Article

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

Figure 12

Estimated and measured rotor speed of the SPIM during the step in the frequency stator (experimental results): (a) from 10 Hz to 50 Hz, (b) from 50 Hz to 10 Hz.

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