Harmonic Injection Technique to Reduce Harmonic
Journal Title: International Journal for Research in Applied Science and Engineering Technology (IJRASET) - Year 2015, Vol 3, Issue 3
Abstract
A harmonic injection technique, which reduces theline frequency harmonics of the single switch three-phase boost rectifier, has been implemented. In this method, a periodic voltage is injected in the control circuit to vary the duty cycle of the rectifier switch within a line cycle so that the fifth-order harmonic of the input current is reduced to meet the total harmonic distortion (THD) requirement. Since the injected voltage signal, which is proportional to the inverted ac component of the rectified three-phase line-to-line input voltages is employed; the injected duty cycle variations are naturally synchronized with the three-phase line-to- neutral input voltages.
Authors and Affiliations
V. Sarathkumar, S. Gowdham Raj, M. Vignesh, B. Guruprasath, M. Sujith
Keywords
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