A 208-V three-phase power system is shown below. It consists of an ideal 208-V Y-connected three-phase generator connected through a three-phase transmission line to a Y-connected load. The transmission line has an impedance of 0.06+j 0.12 2 per phase and the load has an impedance of 12 + j9 per phase. For this simple power system, find: The magnitude of the line current IL )a The magnitude of the load's line and phase voltages VLL and VØL )b The real, reactive, and the apparent powers consumed by the load )c 0.06.2 j0.12

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A 208-V three-phase power system is shown below. It consists of an ideal 208-V Y-connected three-phase generator
connected through a three-phase transmission line to a Y-connected load. The transmission line has an impedance of
0.06 +j 0.12 per phase and the load has an impedance of 12 + j9 N per phase. For this simple power system, find:
Ω
The magnitude of the line current IL )a
The magnitude of the load's line and phase voltages VLL and VØL )b
The real, reactive, and the apparent powers consumed by the load )c
0.06 Ω
10.12 Ω
ww
Ven 120-240°
Vo = 1202–120° (
bn
Van=12020°
0.06 Ω
www
208 V
0.06 Ω
www
30.12 Ω
J0.12 Ω
Lo
Zo
Zo
Z = 12 + j9 Ω
6
Transcribed Image Text:Examples A 208-V three-phase power system is shown below. It consists of an ideal 208-V Y-connected three-phase generator connected through a three-phase transmission line to a Y-connected load. The transmission line has an impedance of 0.06 +j 0.12 per phase and the load has an impedance of 12 + j9 N per phase. For this simple power system, find: Ω The magnitude of the line current IL )a The magnitude of the load's line and phase voltages VLL and VØL )b The real, reactive, and the apparent powers consumed by the load )c 0.06 Ω 10.12 Ω ww Ven 120-240° Vo = 1202–120° ( bn Van=12020° 0.06 Ω www 208 V 0.06 Ω www 30.12 Ω J0.12 Ω Lo Zo Zo Z = 12 + j9 Ω 6
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