Page 298 - Solutions Manual to accompany Electric Machinery Fundamentals
P. 298
Thus the line voltage lags the corresponding phase voltage by 30. The phasor diagram for this
connection is shown below.
V
bc
V bn
V an
V
V ab
cn
A-5. Find the magnitudes and angles of each line and phase voltage and current on the load shown in Figure
P2-3.
SOLUTION Note that because this load is -connected, the line and phase voltages are identical.
V V V 120 0 V 120 120 V 208 30 V
ab an bn
V V V 120 120 V 120 240 V 208 90 V
bc bn cn
V V V 120 240 V 120 0 V 208 150 V
ca cn an
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