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In this paper, an interleaved high step-down DC-DC converter with low switch voltage stress is proposed. The proposed converter provides an extended duty cycle for switches and also, the voltage stress across two switches and two didoes is one fourth of the input voltage and for the other semiconductor elements is smaller than half of the input voltage. This voltage stress is much lower than that...
In this paper a new high step-up DC-DC converter suitable for photovoltaic applications is investigated. Boosting the low input voltage in the proposed topology is implemented by using coupled inductors and one semiconductor switch. By using a passive regenerative clamp circuit, the energy of leakage inductor is absorbed and this provides a wider possible range of output power. Moreover, using just...
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