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SOLAR ENERGY IN DISTRIBUTED GENERATION AND GRID-CONNECTED PROBLEM

Grid-connected photovoltaic power systems are power systems energised by photovoltaic panels which are connected to the utility grid. Grid-connected photovoltaic power systems comprise of Photovoltaic panels, MPPT, solar inverters, power conditioning units and grid connection equipments. Unlike Stand-alone photovoltaic power systems these systems do not have batteries. When conditions are right, the grid-connected PV system supplies the excess power, beyond consumption by the connected load, to the utility grid.[1]. | CHƯƠNG TRÌNH ĐÀO TẠO KY SƯ CHẤT LƯỢNG CAO VIỆT-PHÁP PFIEV Energy System SOLAR ENERGY IN DISTRIBUTED GENERATION AND GRID-CONNECTED PROBLEM Instructor Prof. Assoc. Nguyen Huu Phuc Student Vo Nguyen Qui Tu Khoa Điện-Điện Tử 2002 -2007 J 1 2 Characteristics of a solar cell CHƯƠNG TRÌNH ĐÀO TẠO KỸ SƯ CHẤT LƯỢNG CAO VIỆT-PHÁP Vmpp Impp Maximum Power Point Short-circuit current Isc 20 mA cm2 40 mA cm2 Open circuit voltage V 0.6V 0.7V oc PV light-to-electricity efficiency 10 to 15 Khoa Điện-Điện Tử 2002 - 2007.