7.73 To correct the power factor problems of the motor in Problem 7.72, the company has decided to install capacitors as shown in Figure P7.73. Assume rms values. a. What capacitance must be installed to achieve a unity power factor if the line frequency is 60 Hz? b. Repeat part a if the power factor is to be 0.85 (lagging). 50 j62 50 jó N 50 j6 2 Figure P7.73 all ele ww

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Publisher:Robert L. Boylestad
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7.73 To correct the power factor problems of the motor
in Problem 7.72, the company has decided to install
capacitors as shown in Figure P7.73. Assume rms
values.
a. What capacitance must be installed to achieve a
unity power factor if the line frequency is 60 Hz?
b. Repeat part a if the power factor is to be 0.85
(lagging).
50
j62
50
jó N
50
j6 2
Figure P7.73
all
ele
ww
Transcribed Image Text:7.73 To correct the power factor problems of the motor in Problem 7.72, the company has decided to install capacitors as shown in Figure P7.73. Assume rms values. a. What capacitance must be installed to achieve a unity power factor if the line frequency is 60 Hz? b. Repeat part a if the power factor is to be 0.85 (lagging). 50 j62 50 jó N 50 j6 2 Figure P7.73 all ele ww
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