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Two low power single-stage flyback converters are compared in this paper. The only difference in topology of the two converters is the power factor correction (PFC) section. One has been designed based on buck-boost and the other one was implemented by boost converter. Features, specifications and performance of the two converters are compared in detail in this paper.
This paper presents a new ZVS-PWM reduced-switch three-phase inverter that can work bidirectionally for applications where energy storage or energy harvesting is involved. Switching losses are reduced due to a simple auxiliary circuit that provides ZVS condition for all the switches, including the auxiliary switches. The auxiliary switches are used for only a small fraction of every switching cycle...
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