| 摘要 |
PURPOSE:To prevent corroding of intake channel fittings by sea water by mounting the galvanic corrosion preventive device of an external power source system in the intake channel inlet of a power plant, etc. CONSTITUTION:A node supporting frames 2 are mounted on a quaywall, etc., adjacently to the intake channel fittings 1 in the intake channel inlet and plural low-potential metallic pieces 5 are supplied into these supporting frames 2. About +1.0V voltage is applied thereto via connecting terminals 7 and galvanic corrosion current is passed. A power source device 10 delivers DC current. |
