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In this paper, a new boost converter is introduced.
In the proposed converter, a coupled inductor and voltage lift
technique is used for raising the voltage gain .The designed
converter especially for large voltage conversion ratio
applications. By combining coupled inductor and voltage lift
technique, the energy stored in the leakage inductor is
recycled, therefore reduce the switch turn- off voltage and
implement soft switching turn-on operation. The operating
principles and steady-state analyses of continuous –conduction
mode is discussed in detail. A 250W Converter Operating at
50KHZ with 25V input and 240V output simulation is presented
to demonstrate the performance.