CodePudding user response:
Transformer belongs to electromagnetic & lt; -> Magnetoelectricity conversion components, power frequency and high frequency, when need to convert the element can be used, have dried shrimp curious!CodePudding user response:
Good question! DCDC for dc dc, dc is stable, not transform if transformer deputy direct input to the transformer original side cannot be induced to energy, can only produce alternating electric field, so before class to use switching devices with PWM opened shut off according to certain frequency wave caused the dc into "communication" the original edge magnetic field induction to the then deputy vice side of "communication" as a dc rectifier filtering completed DCDC conversion,