36 An industrial assembly hall is continuously lit by one hundred 40-W mercury vapor lamps in parallel and supplied by a 120 V rms, 60-Hz source. The power factor seen by the source is 0.65, which is so low that a 25 percent penalty is applied at billing. If the average price of 1 kWh is $0.05 and the average cost of a capacitor is $50 per mF, compute how long it will take before the billing penalty equals the cost of the capacitor needed to correct the power factor to 0.85.
36 An industrial assembly hall is continuously lit by one hundred 40-W mercury vapor lamps in parallel and supplied by a 120 V rms, 60-Hz source. The power factor seen by the source is 0.65, which is so low that a 25 percent penalty is applied at billing. If the average price of 1 kWh is $0.05 and the average cost of a capacitor is $50 per mF, compute how long it will take before the billing penalty equals the cost of the capacitor needed to correct the power factor to 0.85.
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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![7.36 An industrial assembly hall is continuously lit by
price of 1 kWh is $0.05 and the average cost of a
capacitor is $50 per mF, compute how long it will take
25 percent penalty is applied at billing. If the average
and supplied by a 120 V rms, 60-Hz source. The power
hundred 40-W mercury vapor lamps in parallel
and supplied by a 120 V
factor seen by the source is 0.65, which is so low that a
rms, 60-Hz source. The
power
before the billing penalty equals the cost of the
capacitor needed to correct the power factor to 0.85.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fd85b24bb-dcb8-4da6-8613-614e9a19dac7%2Ffd397b58-6224-4e35-9f1d-e265402733ec%2Fv34k3opo_processed.jpeg&w=3840&q=75)
Transcribed Image Text:7.36 An industrial assembly hall is continuously lit by
price of 1 kWh is $0.05 and the average cost of a
capacitor is $50 per mF, compute how long it will take
25 percent penalty is applied at billing. If the average
and supplied by a 120 V rms, 60-Hz source. The power
hundred 40-W mercury vapor lamps in parallel
and supplied by a 120 V
factor seen by the source is 0.65, which is so low that a
rms, 60-Hz source. The
power
before the billing penalty equals the cost of the
capacitor needed to correct the power factor to 0.85.
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