70 SOLVED PROBLEMS

Question: 7.9

We recall the following specifications from Exampl...

Question: 8.A.3

We need the backward-field impedance
Z_{b}=...

Question: 8.A.2

We have
Z_{f}=\frac{j0.5X_{m}[0.5(R_{2}^{\p...

Question: 8.A.1

The equivalent circuit of the motor yields
...

Question: 8.2

In Example 8.1, we obtained
Z_{i}=26.841\an...

Question: 8.1

Z_{f}=\frac{j\,36.7(30+j1.2)}{30+j37.9}=22....

Question: 7.13

(a)
P=\frac{V E_{f}}{X_{d}}\,\mathrm{sin}\,...

Question: 7.12

We have
\begin{array}{l}{{X_{d}=0.95+0.2=1....

Question: 7.11

We apply
E_{f}^{\prime}=V_{t}+j I_{a}x_{q}[...

Question: 7.10

(a) The line current with the induction motor oper...

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