Title :
Novel transformer connection to improve current sharing in high-current DC rectifiers
Author :
Olivier, G. ; April, G.E. ; Ngandui, E. ; Guimaraes, Cayley
Author_Institution :
Dept. of Electr. & Comput. Eng., Ecole Polytech. de Montreal, Que.
Abstract :
This paper presents a novel, nonconventional family of power converters for low-voltage, high-current applications based on a peculiar series connection of the primary windings. On the secondary side, all the semiconductors are directly connected in parallel without resorting to the use of interphase transformers or any other current sharing means. The series connection of the primaries ensures current sharing while a zigzag arrangement provides the desired pulse number
Keywords :
AC-DC power convertors; power transformers; rectifiers; rectifying circuits; thyristor convertors; transformer windings; DC rectifiers; LV; current sharing; power converters; primary windings; pulse number; secondary windings; series connection; transformer connection; zigzag arrangement; Bridge circuits; Industry Applications Society; Oil insulation; Pulse transformers; Rectifiers; Semiconductor device reliability; Semiconductor diodes; Senior members; Thyristors; Virtual colonoscopy;
Journal_Title :
Industry Applications, IEEE Transactions on
