An improved model for harmonic identification estimation and elimination in acdc and dcac converters

Abstract

The electric power system is one of the nations oldest newlineinfrastructures which is closely tied up with the gross domestic product With newlinethe increased usage of sophisticated utilities the applications of Power newlineElectronics devices play a very important role With the proliferation of newlinepower electronic converters in the supply systems waveform distortion of newlinecurrent and voltage has crossed all the permissible limits and causing a high newlinelevel of pollution of power system and the consequent ailing effects newlineHarmonic problem is a matter of series concern for the system engineers and newlinelaw making authority newlineTo overcome the problems of harmonics the harmonics should be newlinereduced below certain limits A number of standards have been established to newlinelimit the harmonics produced by these non linear loads newline newline