HIGH SENSITIVITY ON LINE EQUIPMENT FOR DETECTING DISSOLVED GASES IN OIL WITH MULTILATERAL MEMBRANE

摘要

A high-sensitivity on-line dissolved gas detector using polyhedral membrane is provided to measure dissolved gas generated from defects of inflow-type electric devices. A high-sensitivity on-line dissolved gas detector using polyhedral membrane comprises as follows. An insulation oil collector(10) collecting insulation oil from inflow-type electric devices on line. A polyhedral membrane(20) passes only dissolved gas from the insulation oil. A gas station unit(40) measures the dissolved gas flowing through the polyhedral membrane and discharges residual gas using an electro-chemical gas sensor(30). A gas density determination unit(50) determines gas density from output of the electro-chemical gas sensor.