Small-signal model of the single phase rectifier with power factor correction and high frequency resonant circuit

摘要

The power factor correction system consisted of: bridge converter, parallel resonant circuit, high frequency transformer, diode rectifier and L{sub}C{sub}F filter is presented. The system is controlled by a pulse density modulation method and the principle of its operation is based on the boost technique. The paper presents the small-signal model and the mathematical description of the AC/HF/DC converter confirmed by simulations in SIMULINK program.