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In this paper, we study about fly back and forward converter analyzed it and calculate power factor and efficiency of both the converters. The fly back converter gives good power factor but efficiency is low because of transformer magnetic inductor, which results large core loss which gives less efficiency. The forward converter has good efficiency but the power factor is low because of the input...
This paper presents a new standby structure where a forward converter is integrated with a dc–dc phase-shift full-bridge (PSFB) converter for server power supplies. While a typical standby structure consists of an independent flyback converter, the proposed standby structure is integrated with one leg of the dc–dc PSFB converter. Its main advantages are that the voltage across a standby switch is...
In this paper, a new isolated dc-dc bidirectional converter is introduced. This converter consists of flyback and forward transformers and only one switch in primary side and one switch in secondary side of transformers. In this converter energy transfers to the output in both on and off switch states and controlled by PWM signal. Therefore implementation of control circuits is easy. Also this converter...
In this paper a new zero voltage switching bidirectional dc-dc converter is introduced. This converter consists of flyback and forward transformers and only one main switch in primary side and one main switch in secondary side of transformers. Auxiliary circuits in this converter consist of a switch and one clamp capacitor. These circuits not only absorb spikes across the switches but also provide...
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