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DC-DC Converter with Reduced Stress Using Switched Inductor Technique with Feedback Control

Rosemary Mathai, Bindu Elias, Beena M Varghese

Conventional DC-DC converters are unable to provide high step up voltage gain due to reverse recovery problem of diodes. In this paper, DC-DC converter using switched inductor technique with feedback control is introduced to achieve high voltage gain without high duty ratio. In the DC-DC converter using switched inductor technique, two inductors with same level of inductance are charged in parallel during the switch on period and are discharged in series during the switch off period. Simulation has been carried out to study the performance of the converter. Further performance comparison of this converter is done with transformer less high step up DC-DC converter.