A 3-phase, star-connected, balanced load is supplied from a 3-phase, 400 V (rms), balanced voltage source with phase sequence R-Y-B, as shown in the figure. If the wattmeter reading is -400 W and the line current is IR = 2 A (rms), then the power factor of the load per phase is R 3-phase 400 V balanced source Y B IR M voo Coo 3-phase star connect balanced load

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3-phase star connection.

A 3-phase, star-connected, balanced load is supplied from a 3-phase, 400 V (rms),
balanced voltage source with phase sequence R-Y-B, as shown in the figure. If the
wattmeter reading is -400 W and the line current is IR = 2 A (rms), then the power factor
of the load per phase is
3-phase
400 V
balanced
source
R
Y
B
IR
M
voo
C 1000
3-phase
star
connect
balanced
load
Transcribed Image Text:A 3-phase, star-connected, balanced load is supplied from a 3-phase, 400 V (rms), balanced voltage source with phase sequence R-Y-B, as shown in the figure. If the wattmeter reading is -400 W and the line current is IR = 2 A (rms), then the power factor of the load per phase is 3-phase 400 V balanced source R Y B IR M voo C 1000 3-phase star connect balanced load
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