Gas-insulated electrical apparatus having gas channel system, and method of operating the apparatus

摘要

A gas-insulated electrical apparatus (1) comprises a housing (10), a high-voltage component (20) arranged within the housing (10) and adapted for application of a high voltage, and a gas channel system (30) having a gas channel (31), a channel inlet (32) and a channel outlet (34) in gas communication with the housing (10). The housing (10) and the gas channel system (30) form a gas-containing volume containing an insulating gas therein, and define a closed loop allowing a circulation of the insulating gas through the housing (10) and the gas channel system (30) along the closed loop.