Tap changer for a tapped or stepped transformer

Details Tap changer for a tapped or stepped transformer Tap changer for a tapped or stepped transformer

1996-08-26

1997-12-02

Hecker, Stuart N.

Electricity: power supply or regulation systems

External or operator controlled

Using a transformer or inductor as the final control device

323258, 200 11TC, G05B 2402, G05F 116

Patent

active

056940343

ABSTRACT:
A tap changing circuit has each tap of a power transformer connected with a selector vacuum switching cell. The odd numbered cells and the even numbered cells are connected to respective sides of a load switch each including a further vacuum switching cell. The sides are bridged by a transition inductor or resistor.

REFERENCES:
patent: 3662253 (1972-05-01), Yamamoto
patent: 3783206 (1974-01-01), Lingenfelter
patent: 5488212 (1996-01-01), Fukushi et al.
patent: 5594223 (1997-01-01), Fukushi et al.
patent: 5604423 (1997-02-01), Degeneff et al.
patent: 5604424 (1997-02-01), Shuttleworth

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