| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a gas-in-oil detector capable of easily installing, removing and manufacturing and inhibiting invasion of insulation oil into an optical transmission line. SOLUTION: The gas-in-oil detector separates gas dissolved in oil, and optically detects the collected gas by using an optical fiber. In this case, the detector comprises a gas-in-oil separator 21 for separately extracting the gas dissolved in oil, an optical detecting unit 22 for detecting the separately extracted oil to be formed divisionally from the separator 21, and a conduit 23 for coupling the separator 21 to the unit 22.</p> |
