A motor load of a workshop and a wood shaper establish a 22 kVA power demand at 50 percent lagging power factor on a 408 V, 60 Hz supply. a) Establish the power triangle for the load. ball b) Determine the power-factor capacitor that must be place in parallel with the load to raise the power factor to 90 percent lagging. c) Suppose that the source is connected to the load by a long distance. What is the potential advantage of connecting the power-factor capacitor across the load? (Hint: find the current for "a" and "b” and compare)
A motor load of a workshop and a wood shaper establish a 22 kVA power demand at 50 percent lagging power factor on a 408 V, 60 Hz supply. a) Establish the power triangle for the load. ball b) Determine the power-factor capacitor that must be place in parallel with the load to raise the power factor to 90 percent lagging. c) Suppose that the source is connected to the load by a long distance. What is the potential advantage of connecting the power-factor capacitor across the load? (Hint: find the current for "a" and "b” and compare)
Introductory Circuit Analysis (13th Edition)
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ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
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Transcribed Image Text:A motor load of a workshop and a wood shaper establish a 22 kVA power demand at 50 percent lagging power
factor on a 408 V, 60 Hz supply.
a) Establish the power triangle for the load.
b) Determine the power-factor capacitor that must be place in parallel with the load to raise the power factor to
90 percent lagging.
c) Suppose that the source is connected to the load by a long distance. What is the potential advantage of
connecting the power-factor capacitor across the load? (Hint: find the current for "a" and "b" and
compare)
y 902.0032
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