Method, device and equipment for designing magnetic element of dual-active bridge converter

The invention discloses a method, a device and equipment for designing a magnetic element of a dual-active bridge converter, and relates to the technical field of manufacturing of transformers, rectifiers and inductors. According to the method, the design of the magnetic element in the DAB can be quickly, efficiently and reliably completed, and the purposes of high efficiency, high power density and high reliability are achieved. According to the multi-objective optimization method, the shape of a magnetic core of a magnetic element, an inductance value and the number of turns of a winding serve as design variables, a model with two constraint conditions of circuit constraint and device constraint is constructed in combination with DAB specific parameters, and multi-objective optimization is carried out with the purposes of high efficiency and high power density. Influences of converter parameters on efficiency and power density are deduced theoretically, correlation rules of design variables and optimization