Change-over switch for an on-load tap changer

Details Change-over switch for an on-load tap changer Change-over switch for an on-load tap changer

1984-12-13

1986-08-05

Scott, J. R.

Electricity: circuit makers and breakers

Multiple circuit control

Pivoted contact

200144R, 200277, H01H 1954, H01H 116

Patent

active

046045031

ABSTRACT:
A change-over switch for an on-load tap changer comprising a main arcing roller contact for achieving the arc interrupting function upon tap changing, a current-carrying roller contact, disposed in axial alignment with the main arcing roller contact, for achieving the current-carrying function upon current carrying, a current-carrying bushing, rotatably extending through the axes of the current-carrying roller contact and the main arcing roller contact, for providing a current-carrying path upon tap changing and current carrying, and a roller contact holder supporting opposite ends of the current-carrying bushing and accommodating both of the main arcing roller contact and the current-carrying roller contact.

REFERENCES:
patent: 3632908 (1972-01-01), Bliebtreu et al.
patent: 4356359 (1982-10-01), Dufranse et al.

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