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An analytical study of total harmonics reduct...

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An analytical study of total harmonics reduct...

An analytical study of total harmonics reduction in AC Chopper by using BFO techniques

Author Name : Deepak Kumar, Pawan Rana

ABSTRACT Harmonics in power distribution system are current or voltage that are integer multiples of fundamental frequency. For example if the fundamental frequency 50 Hz, then the 2-nd harmonics is 100Hz, the 3-rd is 150Hz, etc. A pure voltage or current sine wave has no distortion and no harmonics but non sinusoidal wave has distortion and harmonics. To quantify the distortion, the term total harmonics distortion (THD) is used. The THD value is the effective value of all the harmonics current added together, compared with the value of the fundamental current. Wave form distortion can be analyzed using fourier analysis as a periodical oscillation at different frequency. The study includes the analytical survey of total harmonics reduction in AC Chopper by using BFO techniques