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Abstract
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In this paper, a new transformerless buckboost converter based on ZETA converter is introduced.
The proposed converter has the ZETA converter
advantages such as, buck-boost capability, input to output
DC insulation and continuous output current. The
suggested converter voltage gain is higher than the
classic ZETA converter. In the presented converter, only
one main switch is utilized. The proposed converter offers
low voltage stress of the switch; therefore, the low onstate resistance of the main switch can be selected to
decrease losses of the switch. The presented converter
topology is simple; hence, the control of the converter is
simple. The converter has the continuous output current.
The mathematical analyses of the presented converter are
given. The experimental results confirm the correctness of
the analysis.
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