Transformer used as a series inductor for ZVS or LLC resonance converters

摘要

Transformer, used as a series inductor for ZVS or LLC resonance converters, comprising:a magnetic core with a cylindrical or polygonal cross section;A coil (1) of an electrical insulating material which provides a coil body;-a primary (2) and secondary (4),which are electrically isolated and coaxially wrapped around a ring-nut of the coil, with the coil (1) extensions (1b) equipped to be attached to connectors (5) for electrical connection to the primary (2) and secondary (4) winding; that a flexible magnetic film (3) with low permeability is arranged between primary (2) and secondary (4) that surrounds the magnetic film (3) at least partially around primary (2), with the three elements: primary (2),Magnetic film (3) and secondary winding (4) are coaxial to each other and surround the magnetic core coaxially, which is introduced by a hollow core (1a) of the coil (1).