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   Mahmoudi, Mohsen ; Ajami, Ali ; Babaei, Ebrahim ; Abdolmaleki, Nima ; Wang, Caisheng ( March 2020 , 2020 IEEE Applied Power Electronics Conference and Exposition (APEC))

   null (Ed.)

   A new high-voltage-gain non-isolated dc-dc topology for applications in renewable energies is proposed. A coupled inductor with three windings is used to increase the proposed topology voltage gain. In addition to increasing the voltage gain, the proposed topology also has other prominent features including continuous input current and zero dc magnetizing inductance current, which reduces the losses and size of coupled inductor core. Furthermore, the continuous input current guarantees a low-volume input filter, which is essential for renewable energy applications. The leakage inductor stored energy is recycled via the diode and capacitor and transferred to the converter output for increasing the efficiency and reducing voltage stresses on the converter components. 

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   https://doi.org/10.1109/ECCE.2019.8913249  

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   We develop a small and lightweight high-voltage high-gain power converter for applications where weight and size are premium. By driving a Dickson and Cockcroft-Walton voltage multiplier with a megahertz-frequency class-E inverter, we implement two converters, one that achieves 40 V-to-2 kV conversion with 16 cm3 box volume and the other that achieves 3.7 V-to-2.9 kV conversion with 0.2 cm3 box volume and 0.49 g weight. Presented converters achieve comparable or better power density and specific power to those of commercial high-voltage power supplies. 

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   Khan, Muhammad Rizwan ; Zhang, Xin ; Huang, Cheng ( October 2022 , 2022 IEEE Energy Conversion Congress and Exposition (ECCE))