ABSTRACT OF THE DISCLOSUREA split structure type transformer has a coreupper and lower split-up secondary windings and aprimary winding which are wound about the core, a singletap winding having a plurality of tap winding parts anda plurality of tap terminals, and a single tap selector.The secondary windings are respectively connectable toindependent loads, only one end of the tap winding isconnected to the primary winding, and the tap terminalsare respectively connected to terminals of the tapselector. A pair of tap winding parts connected to thesame terminal of the tap selector are arranged ad-jacently along the axial direction of winding. Each ofthe tap winding part pairs may be replaced by a singletap winding part which is formed by winding a singlestrand having a crosssectional area which is twice acrosssectional area of a strand used for winding eachtap winding part pair.
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