A Comparative Study and Analysis of Power Factor Correction Methods

This paper presents a study of the power factor improvement in single phase ac voltage controllers through various methods. The overall efficiency is improved by some advanced methods. This analysis about power factor correction can be utilized in learning process. On the basis of power factor improvement, this paper compares two methods. One method is a modified phase angle control (PAC) technique & another is the extinction-angle control (EAC) technique. PAC technique deals with reduced number of controlled switches but EAC technique as applied to a single- phase voltage converter to verify the feasibility of the proposed technique.