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C<br />

14. Repeat Problem 13 if the phase impedances are changed<br />

to a 100-� resistor in series with a capacitive reactance<br />

of 100 �.<br />

15. Repeat Problem 13 if the phase impedances are changed<br />

to a 3-� resistor in parallel with an inductive reactance of<br />

4 �.<br />

16. For the system of Fig. 22.43, find the magnitude of the<br />

unknown voltages and currents.<br />

3-phase<br />

Y-connected<br />

4-wire generator<br />

Phase sequence: ABC<br />

A<br />

A<br />

N<br />

E CA = 208 V ∠v 3<br />

B<br />

E AB = 208 V ∠0°<br />

c<br />

E BC = 208 V ∠v 2<br />

FIG. 22.42<br />

Problems 13, 14, 15, 34, and 45.<br />

I Aa<br />

E AB = 220 V ∠0°<br />

E CA = 220 V ∠ + 120°<br />

IBb B<br />

C<br />

ICc EBC = 220 V ∠ –120°<br />

FIG. 22.43<br />

Problems 16, 35, and 47.<br />

c<br />

10 �<br />

+<br />

V ca<br />

10 �<br />

I ca<br />

10 �<br />

–<br />

a<br />

22 � 22 �<br />

–<br />

22 �<br />

a<br />

I bc<br />

V bc<br />

+<br />

I ab<br />

10 �<br />

10 �<br />

+<br />

b<br />

V ab<br />

PROBLEMS ⏐⏐⏐ 1009<br />

10 �<br />

–<br />

b

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