On-load tap-changing transformer

Details On-load tap-changing transformer On-load tap-changing transformer

1982-07-26

1984-09-11

Tolin, G. P.

Inductor devices

With means to change coil length or connections

Series change

336145, 336146, 336147, 323340, H01F 2112

Patent

active

044713347

ABSTRACT:
An on-load tap-changing transformer in which its high-voltage winding is axially divided into parallel-connected halves, and an end conductor constituting part of the high-voltage winding is connected to the other terminal of each of the halves. A coarse tap coil connected by the end conductor to the other terminal of each of the halves of the high-voltage winding is disposed adjacent to the associated half, and a fine tap coil connected to the coarse tap coil through a coarse tap selector used for the change-over of the tap position to the taps of the coarse tap coil is disposed at a radial position spaced apart from the coarse tap coil. The end conductor is wound together with the conductors of the fine tap coil.

REFERENCES:
patent: 3560843 (1971-02-01), Nakagawa et al.

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