2021-03-252021-03-252020-09-15http://hdl.handle.net/10919/102826A power converter is basically provided with at least three switching circuits, at least one power source, at least one load, and a resonant circuit. Input terminals of the switching circuits are connected to either the at least one power source or the at least one load, and output terminals of the switching circuits are electrically serially connected to the resonant circuit to form a closed circuit.application/pdfenPatenthttp://pimg-fpiw.uspto.gov/fdd/10/781/107/0.pdf1576737310778110