Question: The table below shows a factorys electrical power usage pattern. The utility contract calls for energy charge of $0.12/kWh and demand charge of $14 per

The table below shows a factory’s electrical power usage pattern. The utility contract calls for energy charge of $0.12/kWh and demand charge of $14 per peak kilovolt-ampere over any 15-min period during the month. Determine:

(1) The utility bill in a 30-day month and

(2) The new monthly bill if the pf during the first shift is improved to unity.

Shift 123 Hours Used 8 6 4 Average Kilowatt 1200 800 600 Peak Demand Kilovolt-Ampere 1800 1000 800

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