The Application of a New SEPIC in Photovoltaic System

The traditional SEPIC converter switch is turned on for a long time and as time is short, resulting in loss and temperature rise is too large, etc, isolated SEPIC converter is proposed to analyze the working principle and the transmission efficiency. And the circuit is improved, designed clamp isolated converters, photovoltaic cells based on the characteristics of the circuit used in photovoltaic power generation MPPT (Maximum Power Point Tracking, referred to as MPPT) system. Simulation and experimental results verify its feasibility.