Characteristics of orthogonal-core type dc-ac converter and its application to a photovoltaic power system

This paper reports the orthogonal-core type dc-ac converter and its application to a photovoltaic power system for connecting the solar cell array to an ac distribution line. In the system, a simple control circuit for tracking the maximum array power which varies with the solar radiation is presented. Good operating characteristics are obtained in the experimental photovoltaic power system.