Voltage controlled SPMC with unity voltage conversion ratio and low total harmonic distortion

Abstract

This paper presents a closed-loop voltage controlled SPMC with the characteristic of unity voltage conversion ratio and low THD that comply the IEEE Standard 519-1992 and 1159-1995. The voltage controlled SPMC has a similar output voltage as compared to the input voltage which is 12Vac. The THD at the input and the output of the SPMC also reduced to below than 5%. The SPMC is controlled by a feedback control that measures the output voltage that has to be compared with the set point, Vref. This paper is based on the simulation done using MATLAB/Simulink. The results obtained are compared between opened-loop SPMC and the proposed closed-loop voltage controlled SPMC.