Abstract
AbstractA new high step‐up DC–DC converter is proposed in this study. In the proposed converter with voltage lift technique and coupled inductors (CIs) a high voltage gain is achieved. Although the proposed converter has coupled inductors, the input current is continuous and the input current ripple is low. The proposed converter has only one switch and does not have any auxiliary switch, in which the control of the switch is easy. Soft switching condition is presented for the switch in the converter as zero current switching (ZCS) for turning on instant and zero voltage switching (ZVS) for turning off instant, in which the efficiency is increased. For all diodes expect two diodes in the converter ZCS condition is provided when diodes turn off that reverse recovery problem is solved for these diodes. The proposed converter is fully analyzed and described operation of it. To confirm theoretical analysis, 300 W of the proposed converter is implemented and tested, for which in full load an efficiency of 96.5% is achieved.
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