A New Sensorless MRAS Based on Active Power Calculations for Rotor Position Estimation of a DFIG

<table class="table-group" width="800px"><tr class="fig-image" id="a"><td><img alt="970364.fig.003a" src="https://static.hindawi.com/articles/ape/volume-2011/970364/figures/970364.fig.003a.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(a) </b>Vector diagram without errors on the estimation</td></tr></table></td></tr><tr class="fig-image" id="b"><td><img alt="970364.fig.003b" src="https://static.hindawi.com/articles/ape/volume-2011/970364/figures/970364.fig.003b.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(b) </b>Vector diagram with errors on the estimation</td></tr></table></td></tr></table>

Advances in Power Electronics

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Figure 3

Figure 3: A New Sensorless MRAS Based on Active Power Calculations for Rotor Position Estimation of a DFIG 