1. Refer to Figure 1. A Y-connected source supplies 3 balanced 3-phase loads. The source has voltage Vab=38020 V. a. Assume that load 1 is A-connected, what are the phase voltages & currents in that load? b. Assume that load 2 is Y-connected what are a the phase voltages & currents in that load? c. What real, reactive and apparent power does the generator supply when the switch is open? d. What are the line currents (laa, Ibb, cc)? e. What real, reactive and apparent power does the generator supply when the switch is closed? Y-Connected 100kW Source 0.9 LAG 80KVA 0.8 LAG Figure 1 80kW 0.85 LAG f. What are the line currents when the switch is closed? g. Determine the value of each capacitor when a Y-connected capacitor bank is to be connected in parallel with the loads to raise the PF to 0.95.

Introductory Circuit Analysis (13th Edition)
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1 answer A B C in a clean and detailed manner
1. Refer to Figure 1. A Y-connected source supplies 3
balanced 3-phase loads. The source has voltage
Vab=38020 V.
a. Assume that load 1 is A-connected, what are
the phase voltages & currents in that load?
b. Assume that load 2 is Y-connected what are
a
the phase voltages & currents in that load?
c. What real, reactive and apparent power does
the generator supply when the switch is
open?
d. What are the line currents (laa, Ibb, lcc)?
e. What real, reactive and apparent power does
the generator supply when the switch is
Y-Connected
b
100kW
Source
0.9 LAG
80KVA
0.8 LAG
Figure 1
80kW
closed?
0.85 LAG
f. What are the line currents when the switch is
closed?
g. Determine the value of each capacitor when
a Y-connected capacitor bank is to be
connected in parallel with the loads to raise
the PF to 0.95.
Transcribed Image Text:1. Refer to Figure 1. A Y-connected source supplies 3 balanced 3-phase loads. The source has voltage Vab=38020 V. a. Assume that load 1 is A-connected, what are the phase voltages & currents in that load? b. Assume that load 2 is Y-connected what are a the phase voltages & currents in that load? c. What real, reactive and apparent power does the generator supply when the switch is open? d. What are the line currents (laa, Ibb, lcc)? e. What real, reactive and apparent power does the generator supply when the switch is Y-Connected b 100kW Source 0.9 LAG 80KVA 0.8 LAG Figure 1 80kW closed? 0.85 LAG f. What are the line currents when the switch is closed? g. Determine the value of each capacitor when a Y-connected capacitor bank is to be connected in parallel with the loads to raise the PF to 0.95.
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