switchgear and protection

Excitation systems

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The generated electrical energy is distributed form the urban areas and delivered to the ultimate consumers through a network of transmission and distribution.There may be the variation of voltage at the consumers terminal which may cause erratic operation or even malfunctioning of the consumers appliances such as motors,lamps and other load.The main cause of the … Read more

Bus Bar arrangement

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Introduction Bus-bar is one of the vital elements in electric power stations and substations. The term bus is derived from the word omnibus which means collector of things. Thus the electrical bus bar is the collector of electrical energy at one location. Bus bar are convenient means of connecting switches and other equipment’s into various … Read more