Multiple input DC-DC converters for solar cell power supply system and its maximum power point tracker

Recently environmental problems have attracted great attention on a worldwide scale. Therefore, the exploitation of clean-energy resources such as solar arrays, wind generators, fuel cells, and so forth has been concretely attempted. In this case, a multiple-input dc-dc converter is useful to combine the several input power sources and to supply the regulated output voltage for the load from the power sources. This paper proposes the new boost type two input dc-dc converter, in which a solar array and a commercial ac line are exploited as two input power sources and are combined by two input windings of the energy-storage reactor. Its operational characteristics and maximum power point is tracked and verified through matlab simulink.