Outdoor current transformer
The current transformers which the insulation material is oil.
The current transformers are vertical structure inverted structure, assemblied by a metal expander, high voltage porcelain bushing, pressure relief valve, oil tank and oil-letting valve. The primary windings whose main insulation is made up of crepe paper and capacitor screens. The secondary windings are through the primary windings and are fixed inside the oil tank together.
The secondary terminals block is casted by epoxy resin, the frame of the secondary terminals box is a seal structure, it suits for outdoor.