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Kondo, Yuki; Takaya, Shigeru; Yada, Hiroki; Hashidate, Ryuta
no journal, ,
In sodium-cooled fast reactors, a large number of temperature sensors are used for temperature monitoring and heater control of sodium-containing equipment. In the conventional insulation resistance measurement method for temperature sensors, preparation work such as stopping the temperature measurement function and separating from the electric board is required, and the workload also increases with increasing the number of target equipment, which has become a problem from the viewpoint of inspection period. In this study, we have developed a new temperature sensor of which insulation resistance is measurable online, and evaluated the performance by experiments.