Surge Diverter | Lightning Arrester Types: The earthing screen and ground wires can well protect the electrical system against direct lightning strokes but they fail to provide protection against travelling…
Types of Lightning Strikes: There are two Types of Lightning Strikes may strike the power system (e.g. overhead lines, towers, sub-stations etc.), namely; Direct stroke Indirect stroke 1. Direct stroke:…
Distance Protection: Both time-graded and pilot-wire system are not suitable for the protection of very long high voltage transmission lines. The former gives an unduly long time delay in fault…
Time Graded Overcurrent Protection: In this scheme of Time Graded Overcurrent Protection, time discrimination is incorporated. In other words, the time setting of relays is so graded that in the…
Requirements of Satisfactory Electric Supply Connection: The Electric Supply Connection in India is 3-phase a.c. operating at a frequency of 50 Hz. The power station delivers power to consumers through…
Electric Supply System: The conveyance of electric power from a power station to consumers' premises is known as Electric Supply System. An electric supply system consists of three principal components…
Various Types of Electricity Tariff: The electrical energy produced by a power station is delivered to a large number of consumers. The consumers can be persuaded to use electrical energy…
Methods of Determining Depreciation: There is reduction in the value of the equipment and other property of the plant every year due to depreciation. Therefore, a suitable amount (known as…