HEATING SYSTEM OF GIS CIRCUIT BREAKER

摘要

PURPOSE: A heating system of GIS circuit breaker is provided to ensure the performance and reliability of a GIS by preventing liquefaction. CONSTITUTION: A heating system of GIS circuit breaker comprises a heater insertion hole(30), a rod type heater(31), and a dampproof cover(32). The heater insertion hole is installed to a bottom plate(14) in a predetermined depth vertically. The rod type heater is inserted into the inside of the heater insertion hole to receive power from a driving unit and heats SF6 gas filled into a metal outer surface. The dampproof cover covers the entrance of the heater insertion hole for dampproof of the inside of the heater insertion hole.