New bidirectional step-up DC-DC converter derived from buck- boost DC-DC converter

<span lang="EN-US">This paper proposes a new bidirectional step-up DC-DC converter, namely modified buck-boost converter. The proposed converter was derived from the conventional Output voltage expression of by considering drops across inductors and switching devices. results have shown that with same parameter input LC filter, has lower conduction losses. Moreover, rated filter capacitor than boost which lead to cost efficiency. Finally, scaled-down prototype laboratory experiment used verify its theoretical analysis.</span>