Influences of Deterioration in Capacitor and Inductor on Current Sensorless Static Model DC-DC Converter

摘要

This paper discussed the influences of deterioration on capacitor and inductor in the sensorless static model with the filter system. The effects of variations in input supply and output load to the proposed system have been confirmed in previous studies. Nonetheless, the influences of variations in the capacitor and inductor on the system have not been confirmed yet. Therefore, this paper focuses on discussing about what kind of impacts will be caused to the stability analysis of the filter and stable operation of the converter when the inductance and capacitance of converter are varied. The impacts have been confirmed by a 5 W, 20 V/5 V buck-type dc-dc converter via simulation.