CIRCUIT BREAKER OF GAS INSULATION SWITCHGEAR

摘要

A circuit breaker of gas insulation switchgear is provided to prevent increase of heat generation due to localized contact between collectors by forming section plate between collectors. An external frame(100) forms an outer shape of a breaker. An upper conductor(200) is installed at a top of the external frame. A current is flowed in the upper conductor. A lower conductor(300) is installed at a bottom of the external frame. The current is drawn from the lower conductor. A vacuum interrupter(400) is positioned between the upper conductor and the lower conductor, and selectively opens/closes the current. A top of a operation shaft(500) penetrates the lower conductor, and is inserted inside the vacuum interrupter. The operation shaft sends the current flowed from the upper conductor to the lower conductor according to a drive of a driving shaft(10). An insulation rod(600) is connected between the operation shaft and the driving shaft, and blocks that the current flowing the operation shaft is provided to the driving shaft. The upper conductor, the lower conductor, and vacuum interrupter are installed in the external frame with an insulation mounting unit(700). A collector is installed in a part of the lower conductor.