HYBRID TYPE GAS INTERRUPTER WITH AN ARC CONTACT HAVING A COMPRESSIBLE CYLINDER

摘要

A hybrid type gas interrupter using an arc contact point having a compression cylinder is provided to improve an interruption performance of a small electric current by dualizing the interruption performance based on amplitude of the current. An operator, which provides power for driving a driving unit of a gas interrupter with power, is installed on the position to change an installation position from a conventional movable arc contact point to a fixed arc contact point. The conventional fixed arc contact point is a movable arc contact point(604). A compression cylinder(613), which compresses a gas to raise a pressure for interrupting a small electric current, is installed on the inside of the movable arc contact point(604). A conventional movable arc contact point becomes a fixed arc contact point(607) corresponding to a change from the conventional fixed arc contact point to the movable arc contact point(604). A second heat expansion room(612) as a space for expanding a gas by an arc generated from a separation of the movable arc contact point(604) and the fixed arc contact point is installed on a rear end of the fixed arc contact point(607).