A factory has a maximum load of 240 kW at 0·8 p.f. lagging with an annual consumption of 50,000 units (kWh). Calculate the annual cost of energy if energy is charged at (a) OMR 20 per kVA of maximum demand plus 10 Baisa per unit of actual consumption. (b) A flat rate structure of 15 Baisa per kWh (c) Which tariff is economical and (d) what is the annual saving (in OMR).

A factory has a maximum load of 240 kW at 0·8 p.f. lagging with an annual consumption of 50,000 units (kWh). Calculate the annual cost of energy if energy is charged at (a) OMR 20 per kVA of maximum demand plus 10 Baisa per unit of actual consumption. (b) A flat rate structure of 15 Baisa per kWh (c) Which tariff is economical and (d) what is the annual saving (in OMR).

Power System Analysis and Design (MindTap Course List)

6th Edition

ISBN:9781305632134

Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Chapter2: Fundamentals

Section: Chapter Questions

Problem 2.31P: Consider two interconnected voltage sources connected by a line of impedance Z=jX, as shown in...

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