Applications of Power Transformers

Applications of Power Transformers: Transformers are the first to encounter lightning and other high voltage surges. The transformer insulation has to withstand very high impulse voltages many times the power…

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System Grounding

System Grounding: The process of connecting some electrical part of the power system (e.g. neutral point of a star-connected system, one conductor of the secondary of a transformer etc.) to…

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Symmetrical Faults on 3 Phase System

Symmetrical Faults on 3 Phase System: Most of the Symmetrical Faults on 3 Phase System on the power system lead to a short-circuit condition. When such a condition occurs, a…

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Bus Bar Arrangement in Power Station

Bus Bar Arrangement in Power Station: When a number of generators or feeders operating at the same voltage have to be directly connected electrically, bus-bars are used as the common…

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Three Wire DC Distribution System

Three Wire DC Distribution System: The great disadvantage of direct current for general power purposes lies in the fact that its voltage cannot readily be changed, except by the use…

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Requirements of a Distribution System

Requirements of a Distribution System: A considerable amount of effort is necessary to maintain an electric power supply within the requirements of various types of consumers. Some of the good…

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Distribution System Connection

Distribution System Connection: All Distribution System Connection of electrical energy is done by constant voltage system. In practice, the following distribution circuits are generally used 1.Radial System: In this system,…

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Overhead vs Underground System

Overhead vs Underground System: The distribution system can be Overhead vs Underground System. Overhead lines are generally mounted on wooden, concrete or steel poles which are arranged to carry distribution…

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