Example 8. A hydro-electric power station has a reservoir of area 2-4 square kilometres and capacity 5 x 10° m'. The effective head of water is 100 metres. The penstock, turbine and generation efficiencies are respectively 95%,90% and 85%. (i) Calculate the total electrical energy that can be generated from the power station. (ii) If a load of 15,000 kW has been supplied for 3 hours, find the fall in reservoir level.

Example 8. A hydro-electric power station has a reservoir of area 2-4 square kilometres and capacity 5 x 10° m'. The effective head of water is 100 metres. The penstock, turbine and generation efficiencies are respectively 95%,90% and 85%. (i) Calculate the total electrical energy that can be generated from the power station. (ii) If a load of 15,000 kW has been supplied for 3 hours, find the fall in reservoir level.

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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Question

Example 8. A hydro-electric power station has a reservoir of area 2-4 square kilometres and
capacity 5 x 10° m'. The effective head of water is 100 metres. The penstock, turbine and generation
efficiencies are respectively 95%,90% and 85%.
(i) Calculate the total electrical energy that can be generated from the power station.
(ii) If a load of 15,000 kW has been supplied for 3 hours, find the fall in reservoir level.

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