A Step up DC-DC Converter with Closed Loop Control for PV Cell Fed Induction Motor Drive Applications

Ragini Siva Kumar, V. Nagaraju Nayak


Low voltage photovoltaic systems require highly efficient converters to deliver as much as possible energy to the load with high gain DC voltage conversion. This concept presents two efficient step-up DC/DC converters one composed of five identical phases driven interchangeably and latter partial parallel isolated converter with voltage doubler. Experimental validation of theoretical assumption and discussion on power losses has been carried out. The use of silicon carbide components and current sharing technique assures high efficiency within wide power range.

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