Topic It causes corona discharge with cause of degradation and the like and from the oxygen in the atmosphere resolution, the ozone which is generated it is ill-smelling it perceives, it offers the corona discharge detection device of the high tension power reception and distribution system which prevents equipment damage and outbreak power failure.SolutionsAlarm means could be provided for the ozone gas ill-smelling detection device, it can provide corona discharge detection device 4, inside the high tension power reception and distribution system, by the fact that the ozone gas detection device detects the ozone gas, corona discharge phenomenon of the electrical machinery and apparatus of high pressure overload switch 1 and the like inside the high tension power reception and distribution system is detected, that electrical machinery and apparatus is decided as abnormality, the alarm signal is generated due to alarm means. It provided inside the high tension power reception and distribution system, the device which detects the ozone gas whose concentration monitoring is possible is featured. Choice figure Drawing 1
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