Kabushiki Kaisha Toshiba

Toshiba Energy Systems & Solutions Corporation

Tooru Washiyama

Kei Takano

A gas leakage detection systemwith high detection accuracy for a remaining gas amount and a gas leakage amount of an insulation gasin a containerforming a electrical apparatusis provided. The gas leakage detection systemincludes: the electrical apparatusincluding: the containerto which a power distribution apparatusis fixed and in which the insulation gasis contained; a plurality of divided spacesin the containerdivided in parallel with a ground; a plurality of temperature sensorswhich detects temperature of the insulation gasand which is positioned in the plurality of the divided spaces; and a pressure sensorwhich detects a pressure in the container; and a monitorwhich calculates the remaining gas amount Mg of the insulation gasremaining in the containerbased on the temperature Ta and Tb of the insulation gasdetected by the plurality of the temperature sensorsand the pressure Pg of the insulation gasdetected by the pressure sensor

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Yokohama Kanagawa, Japan

Tooru Washiyama