Generator Load 1 Zfl Zfl VL 201 201 201 Zfl Load 2 202 202 Z42 V Consider the 440Hz three-phase system shown below. Load 1 is 4 - connected presenting P = 5 60' kW and Q = -1kVAr. The impedance of the feeder between Load 1 and Load 2 (Y - connected) is 0.5 + j 0.20 A. The impedance of Load 2 is 10llcorner25°2. Compute: a. The impedance of the 4- connected load. b. The (rms) voltage that appears across each element of the Y - connected load. c. The active power losses across the feeder. d. The voltage drop across the feeder. e. The reactive power consumed by the Y - connected load f. The apparent power supplied by the source g. Draw the per-phase equivalent circuit of the system. h. Draw the phasor diagram for the per-phase equivalent circuit, showing: Voltage and current of the source, current of Load 1. current in the feeder.

Introductory Circuit Analysis (13th Edition)
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Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
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Generator
Load 1
Zfl
Zfl
VL
201
201
201
Zfl
Load 2
202
202
Z42
Transcribed Image Text:Generator Load 1 Zfl Zfl VL 201 201 201 Zfl Load 2 202 202 Z42
V
Consider the 440Hz three-phase system shown below. Load 1 is 4 - connected presenting P = 5
60'
kW and Q = -1kVAr. The impedance of the feeder between Load 1 and Load 2 (Y - connected) is 0.5 + j
0.20 A. The impedance of Load 2 is 10llcorner25°2. Compute:
a. The impedance of the 4- connected load.
b. The (rms) voltage that appears across each element of the Y - connected load.
c. The active power losses across the feeder.
d. The voltage drop across the feeder.
e. The reactive power consumed by the Y - connected load
f. The apparent power supplied by the source
g. Draw the per-phase equivalent circuit of the system.
h. Draw the phasor diagram for the per-phase equivalent circuit, showing: Voltage and current of
the source, current of Load 1. current in the feeder.
Transcribed Image Text:V Consider the 440Hz three-phase system shown below. Load 1 is 4 - connected presenting P = 5 60' kW and Q = -1kVAr. The impedance of the feeder between Load 1 and Load 2 (Y - connected) is 0.5 + j 0.20 A. The impedance of Load 2 is 10llcorner25°2. Compute: a. The impedance of the 4- connected load. b. The (rms) voltage that appears across each element of the Y - connected load. c. The active power losses across the feeder. d. The voltage drop across the feeder. e. The reactive power consumed by the Y - connected load f. The apparent power supplied by the source g. Draw the per-phase equivalent circuit of the system. h. Draw the phasor diagram for the per-phase equivalent circuit, showing: Voltage and current of the source, current of Load 1. current in the feeder.
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