Thursday 15 August 2013

Student Project: Power Quality Improvement by DC Drives


Power Quality (PQ) has become an important topic of discussion and research, especially in a deregulated environment. As per IEEE 519 std. these parameters of power quality measurement, are four in number, of which Total Harmonic Distortion is most widely used. Semiconductor switching devices in Power Electronics which are generally used in converter circuits produce significant harmonic voltages as they chop voltage waveforms during the transition between the conducting and cutoff stages. The diode bridge rectifiers/converters are considered as a major contributor to the power system harmonics and the consequences are varying from components overheating to communication

interference. This project links the field of electrical power conversion and electrical drives (DC), where these power converters find applications. Electric drives play an important role in industry as well as our day-to-day life. They are use the electrical power input and provide mechanical work as output. This project can be well designed and simulated in MATLAB environment. 

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