• A two-core feeder 3 km long supplies a maximum current of 200 A at 400 volts. The demand is such that the copper loss per annum is that which would be produced by the full load current flowing for 8 months. The resistance and cost of conductor 1 km long and 1mm2 section of conductor as 1/58 ohm and OMR(72 a + 480). The interest and depreciation charges are 10%. The cost of energy is 10 baisa per unit. Find the most economical cross section.

• A two-core feeder 3 km long supplies a maximum current of 200 A at 400 volts. The demand is such that the copper loss per annum is that which would be produced by the full load current flowing for 8 months. The resistance and cost of conductor 1 km long and 1mm2 section of conductor as 1/58 ohm and OMR(72 a + 480). The interest and depreciation charges are 10%. The cost of energy is 10 baisa per unit. Find the most economical cross section.

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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