Introduction Electrical power is an important basic topic for every Electrical Engineering student. It is used to measure how much energy is...

The modern electric power system consists of several elements e.g. alternators, transformers, station bus-bars, transmission lines and other...

The present-day electrical power system is a.c. i.e. electric power is generated, transmitted and distributed in the form of alternating cur...

Protection of Transformers Transformers are static devices, totally enclosed and generally oil immersed. Therefore, chances of faults occurr...

In a power system consisting of generators, transformers, transmission and distribution circuits, it is inevitable that sooner or later some...

Refrigeration and air-conditioning has become necessary in every field of human utility in houses, schools, cinema houses, restaurants, cars...