Design and Simulation of Front-End Converter Based Power Conditioning Unit

Abstract

Commercial automation has led to profuse research and development on highly sensitive instruments which require quality power for their operation. The development of power electronic technology makes it possible to realize many kinds of power conditioning units (PCU) to obtain high quality electric energy and enhance the control over power system. Nowadays, axial-based PM (AFPM) alternators are being used, which generates a raw output depends on its speed of operation. To condition this raw output from AFPM DG set, power conditioner unit is required which takes a raw output and gives conditioned quality power output. In this paper, analysis and simulation of power conditioning system is done. This power conditioning system has active power factor correction (APFC) IGBT-based front-end converter, which generates a required DC bus and also controls the input power factor. This DC is further inverted via IGBT-based SPWM inverter module which generates constant voltage and frequency output for load system. Six-pulse converter SPWM technique is to be used for inverting purpose. L-C filter is used for filtering any further appearing distortions and to reduce the effects of the harmonics present.