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The most familiar form of energy in our daily lives is electrical energy. The branch of engineering which deals with producing, managing and utilizing this energy, is referred as electrical engineering. This field of engineering was introduced in an organized manner in the mid of 19th century. Interest in this field of study grew after the invention of electricity. It was June 1752 when Benjamin Franklin first tried to catch electricity from clouds during a heavy storm with the help of a flying kite. This was the beginning and to date still we are trying to manage this energy.
On which this field of engineering is built, are related to electromagnetism. The law of electromagnetism was invented by Michael Faraday in the year 1831. This law is popularly known as Faraday’s law of electromagnetic induction. The relation between current and voltage in a conductor was already stated by Georg Ohm, in 1827. This is Ohm’s law . Based on these two theories development of electrical technology began. In his experiment with electromagnetic induction, Michael Faraday designed the most basic model of an electrical rotating machine. In 1873, James Clerk Maxwell, published his famous article on magnetism and electricity.
Morden Power system network is becoming more complex as demand always remains more than generation. Hence to maintain system stability, reliability and continuity power supply, interconnection of grid , ring and radial distribution has become essential.
We are deliever introductry to advanced solution in the field of power system. It provides a comprehensive understanding of the principles of digital Power System relaying specifically tailored to Industrial facilities. And cover the major components of a Power System, basic of Transmission line parameters, ferranti effect, Symmetrical and unsymmetrical fault analysis and Relay characteristics.
Today’s electric infrastructure is comprised of a complex system of power generation, transmission systems, and distribution systems. The major components of this system are Generation, Transmission and Distribution.
Although there were so many developments and research works going on before 1882, the study of electricity was not recognized as a separate field of engineering. In that year electrical engineering was introduced as a separate branch of engineering After development of the distribution network, electricity reached consumers. After electricity reaches the consumer, it is utilized for operating different equipment run by electricity. Electrical engineering is also involved in developing such industrial and domestic equipment at the consumer end.
Power generation plants, which are facilities designed to produce electric energy. Typical power generation plants are fueled by coal, natural gas, hydroelectric, or nuclear, but can also be solar powered, wind powered, or geothermal powered.
A substation is a high-voltage electric system facility. It is used to switch generators, equipment, and circuits or lines in and out of a system. Some substations are small with little more than a transformer and associated switches. Others are very large with several transformers and dozens of switches and other equipment.
Transmission lines, which can be hung overhead or underground, carry electric energy from one point to another in an electric power system. The main characteristics that distinguish transmission lines from distribution lines are that they are operated at relatively high voltages, they transmit large quantities of power, and they transmit the power over large distances.
A distribution system originates at a distribution substation and includes the lines, poles, transformers and other equipment needed to deliver electric power to the customer at the required voltages.
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