On-load tap changer

Details On-load tap changer On-load tap changer

1976-10-26

1978-03-28

Goldberg, Gerald

Electricity: power supply or regulation systems

Remote sensing

H02P 1306, H01F 2904

Patent

active

040817415

ABSTRACT:
On-load tap changer apparatus of the type having two connection branches, each of which is connected between a common connection point and a separate movable contact, at least one branch having a resistor in series with the first contact device, and the other branch including a vacuum element with a second contact device connected in parallel with the vacuum element in the second connection branch. Alternatively, the contacts of a change-over switch are connected to the two connection branches and a vacuum element is connected between the contacts of the change-over switch.

REFERENCES:
patent: 3581188 (1971-05-01), Watanabe et al.
patent: 3628128 (1971-12-01), Buhler
patent: 3934174 (1976-01-01), Bleibtreu et al.

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