GAS INSULATED SWITCHGEAR WITH SHAPE MEMORY ALLOY

摘要

PURPOSE: A gas insulated switchgear is provided to reduce operation noise by using shape memory alloy instead of a mechanical actuator. CONSTITUTION: A first internal conductor(110) comprises a first internal space. A second internal conductor(120) is separated from the first internal conductor. One end of a first movable contact(140) is inserted into the first internal space. The first movable contact is arranged between the first internal conductor and the second internal conductor. A first shaped memory alloy connection part(161) connects the first movable contact to the first internal conductor and the second internal conductor by being contracted when first current is applied.