Matlab Simulink Electrical Projects chhattisgarh -2015/2016/2017
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ELECTRICAL ENGINEERING is a field of engineering that generally deals with the study and application of electricity, electronics. This field first became an referable occupation in the later half of the 19th century. After degradation of the electric telegraph, the telephone and electric power distribution and use. Finally, broad casting and recording media made electronics part of daily life.The invention of the transistor, and later the integrated circuit, reduced the cost of electronics. Thus it can be used in almost any household object.
POWER ELECTRONICS is the application of solid-state electronics to the control and conversion of electric power. The first high power electronic devices were mercury-arc valves. In modern systems, the semiconductor switching devices performs the conversion. Examples of these devices are diodes, thyristors and transistors, pioneered by R. D. Middlebrook and others beginning in the 1950s. In contrast to electronic systems, in power electronics substantial amounts of electrical energy are processed. An AC/DC converter (rectifier) is the most typical power electronics device. It is found in many consumer electronic devices, e.g. television sets, personal computers, battery chargers, etc. The power range is typically from tens of watts to several hundred watts. In industry a common application is the variable speed drive (VSD) that is used to control an induction motor. The power range of VSDs start from a few hundred watts and end at tens of megawatts.
An ELECTRIC POWER SYSTEM is a network of electrical components deployed to supply, transfer, and use electric power. An example of an electric power system is the the grid that provides power to an extended area. An electrical grid power system can be broadly divided into the generators, the transmission system and the distribution system. The generators supply the power. The transmission system carries the power from the generating centres to the load centres. The distribution system feeds the power to nearby homes and industries. Smaller power systems are also found in industry, hospitals, commercial buildings and homes. The majority of these systems rely upon three-phase AC power—the standard for large-scale power transmission and distribution across the modern world. Specialised power systems that do not always rely upon three-phase AC power are found in aircraft, electric rail systems, ocean liners and automobiles.