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The current study aims at investigating a Single Ended Primary Inductor Converter Power Factor Correction (SEPIC PFC) circuit of low power applications such as the adapters of laptops and mobiles. The SEPIC PFC is designed in CRitical Conduction Mode (CRM) to drive 30W load. A closed loop control circuit is designed to maintain 15V-DC constant output voltage with Constant On Time (COT). The designed...
This paper studies the performance of a three phase Soft Switching Inverter (SSI) under extremely light load conditions (7W, 150 mA-peak, 50 V-peak which is 10% of its thermally maximum permissible power). An Auxiliary Resonant Commutated Pole Inverter (ARCPI) has been selected as soft switching topology for this research. Analytic approaches are used to compute the losses and to select the power...
This paper studies the performance of a three phase Hard Switching Inverter (HSI) for low power applications, operating primarily at partial load (7W, 150 mA-peak, 50 V-peak which is 10%of its thermally maximum permissible power) in a home appliance application. Analytic methods are used to calculate the losses for different power transistors, resulting in an optimized H-Bridge Inverter (HBI) prototype...
In this paper, the development of a practical parallel hybrid power filter consisting of a shunt active power filter and passive filters is presented. This work explores design and analysis of Hybrid Active Power Filter (HAPF) based in p-q instantaneous theory and using hysteresis current band to obtain the gating signals for five-level diode clamped multilevel inverter (DCMLI). The technique used...
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