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Question 7.3: Consider a DFIG as a “test” machine, described in Chapter 1.......

Consider a DFIG as a “test” machine, described in Chapter 1. Design the controller and show the output results.

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A detailed controller design procedure and the results are on the accompanying website.

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Question: 7.2

A DFIG is operating in the generator mode at a supersynchronous speed at a leading power factor (supplying Qs to the grid). Calculate the signs of various quantities in this mode of operation (Fig. 7-5). ...

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\begin{aligned} \omega_{\text {slip }} &am...
Question: 7.1

A DFIG is operating in the motoring mode at a subsynchronous speed at a lagging power factor (drawing Qs from the grid). Calculate the signs of various quantities in this mode of operation. ...

Verified Answer:

\begin{aligned}\omega_{\text {slip }} &...