Cascaded Boost Converter for PV Applications

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Provided by: International Journal of Innovative Research in Electrical, Electronics, Instrumentation and Control Engineering (IJIREEICE)
Topic: Hardware
Format: PDF
Among renewable energy sources, solar power has the potential to become one of the main contributors to the future electricity supply. Low voltage photovoltaic systems require a high voltage gain converter for module's grid connection through a DC-AC inverter. This paper proposes a converter that achieves a high step-up voltage conversion ratio, which contains a coupled inductor, without extreme duty ratios and numerous turns-ratio; the leakage inductor energy of the coupled inductor is efficiently recycled to the load. Also, switch of the converter isolates energy from the PV panel when the AC module is off.
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