A small manufacturing plant on a single three-phase service consumes 126,000 kWh of electrical energy over a monthly billing period. Peak demand is typically measured at 400 kW during the day and 200 kW at night. However, because of an abnormality in plant operation, demand for power increases to 1200 kW over a 15-min period on one day during the month. Determine the total monthly charge based on the rate schedule provided in Table 17.3a. How much is the service charge?b. How much is the energy charge subtotal?c. How much is the demand charge subtotal?d. How much is the total monthly charge? FABLE 173 A SAMPLE RATE SCHEDULE FOR COMMERCIAL AND INDUSTRIAL OPERATIONSPublic Utility Company, Inc.General Commercial and Industrial Rate Schedule (Demand)Service ChargeSingle PhaseThree PhaseP305.00P518.00Energy ChargeFirst 1000 kWh of the monthP4.88 per kWhP4.43 per kWhP4.11 per kWhP3.56 per kWhP 3.29 per kWhNext 2000 kWh of the monthNext 5000 kWh of the monthNext 10,000 kWh of the monthAdditional kWh of the monthDemand ChargeFirst 25 kW of the monthP 442.50 per kW per monthP 397.50 per kW per monthP 375.00 per kW per monthP 360.00 per kW per month* Demand charge is based upon the greatest billing demand monthNext 475 kW of the monthNext 1000 kw of the monthAdditional kW of the monthfor that month and eleven successive months.

For the small manufacturing plant-The total consumed electrical energy = 126000kWhThe peak demand…

Answered: A small manufacturing plant on a single…

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

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A small manufacturing plant on a single three-phase service consumes 126,000 kWh of electrical energy over a monthly billing period. Peak demand is typically measured at 400 kW during the day and 200 kW at night. However, because of an abnormality in plant operation, demand for power increases to 1200 kW over a 15-min period on one day during the month. Determine the total monthly charge based on the rate schedule provided in Table 17.3 a. How much is the service charge? b. How much is the energy charge subtotal? c. How much is the demand charge subtotal? d. How much is the total monthly charge?

FABLE 173 A SAMPLE RATE SCHEDULE FOR COMMERCIAL AND INDUSTRIAL OPERATIONS
Public Utility Company, Inc.
General Commercial and Industrial Rate Schedule (Demand)
Service Charge
Single Phase
Three Phase
P305.00
P518.00
Energy Charge
First 1000 kWh of the month
P4.88 per kWh
P4.43 per kWh
P4.11 per kWh
P3.56 per kWh
P 3.29 per kWh
Next 2000 kWh of the month
Next 5000 kWh of the month
Next 10,000 kWh of the month
Additional kWh of the month
Demand Charge
First 25 kW of the month
P 442.50 per kW per month
P 397.50 per kW per month
P 375.00 per kW per month
P 360.00 per kW per month
* Demand charge is based upon the greatest billing demand month
Next 475 kW of the month
Next 1000 kw of the month
Additional kW of the month
for that month and eleven successive months.

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