What should the installation of current transformer core material conform to.The transformer shall be in good condition with good insulation, clear secondary wiring mark and firm connection of the terminal.The oil level of the oil-immersed transformer is normal, and there should be no leakage at the porcelain bushing flange joint and the oil drain valve.
Installation surface of current transformer core material shall be horizontal;The transformers installed side by side shall be in neat arrangement.The polarity direction of the same set of transformers shall be the same.
When gaskets are included in the stopper for the breathing hole of the current transformer core material, remove the gaskets before electrification.
Current transformer core material with equal potential spring fulcrum, all of the spring fulcrum shall be firm and in good contact with the bus;The bus shall be located at the center of the transformer.
Secondary terminals and oil level indicators for current transformer core material shall be located on an accessible side.
Current transformer core material with moisture absorber shall be dry with normal oil seal oil level.
In current transformer core material with equalizing rings, equalizing rings shall be securely installed, level and in the correct direction.
Capacitive voltage current transformer core material must be installed according to the component number supplied in a complete set of products and shall not be used interchangeably.When the damper is installed outside, it should be rainproof.
The contact surfaces of the joints shall be free of oxide and coated with conductive paste or electric compound grease.
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