A new structure and control system for boost converter based on state space modeling for power factor correction

In this paper a new topology for boost converter as well as an efficient control system based on state space modeling is presented in order to improve the power factor of the network. The main objective of this study is to adjust the real power of DG resources connected to network. The proposed power factor correction (PFC) boost converter includes two loops for current and voltage control and on this basis proportional-integral (PI) controllers are considered for both voltage and current. Controller parameters are determined to optimize the power factor correction and improve the current quality for load variations in both dynamic and steady states. Performance of the proposed converter and modeling procedure for control system is explained in this paper. Theoretical analysis are verified in PSIM which shows the control scheme of the proposed converter exhibits fast and very desirable dynamics for load variations.