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This paper presents a transformer-less, single stage, doubly grounded, buck-boost single phase inverter. The inverter is derived from SEPIC converter by replacing its output side inductor with a coupled inductor. Stand-alone operation of the inverter is discussed with resistive and inductive load. Simulation results are given to validate the operational ability of proposed inverter.
This paper presents a novel single stage, single phase, common ground, transformer-less inverter for PV application. The ideal gain of the inverter is minus infinity to plus infinity. Converter is derived from intelligent circuit connections of Ćuk converter and Watkins-Johnson converter. The control to output transfer function contains right half plane (RHP) zeros, which leads to a limited closed...
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