JP2005129966A5 - - Google Patents

Claims (3)

In an amorphous iron core transformer comprising an iron core coil assembly formed by assembling a wound iron core made of an amorphous magnetic ribbon and a primary coil and a secondary coil into which the wound iron core is inserted ,
Before SL secondary coil is a coil made of aluminum conductors,
The primary coil is a coil made of a copper conductor, and is disposed on the inner side in the coil radial direction, and the copper conductor cross-sectional area is small so that the electric resistance conversion current density is higher than the secondary coil ,
The amorphous iron core transformer , wherein the secondary coil made of the aluminum conductor is longer in the coil axial direction than the primary coil made of the copper conductor . In the amorphous iron core transformer according to claim 1,
The amorphous iron core transformer, wherein the copper conductor is a flat wire, and the aluminum conductor is an aluminum strip. In the amorphous iron core transformer according to claim 2 ,
A transformer container for housing the iron core coil assembly;
The transformer container is filled with an insulating cooling medium;
On the outside of the transformer container, amorphous core transformer height and wherein Rukoto which have a cooling fin 17Mm～280mm.