Oil-immersed transformer core is an important structure and type of oil-immersed transformer, oil-immersed transformer core is an important operation, oil-immersed transformer core has a series of operations, for the main operation of oil-immersed transformer core and the main steps are what? We and oil-immersed transformer manufacturers xiaobian for details to understand it。
1, lift oil-immersed transformer core is to solve oil-immersed transformer internal fault and hidden danger maintenance maintenance method, general oil-immersed oil-immersed transformer) (also known as wet oil-immersed transformer malfunction or iron loss test is unqualified, hoisted out need iron core to bake, piled up, again suit, rolling, baking, assembly and test. When hoisting the core, loosen the bolt of the big cover of oil-immersed transformer directly, and lift the core (iron core and winding) together with the big cover.
2. Core lifting steps: select the core position and drain oil (placed below the large plate); Remove the explosion-proof cylinder, oil pillow, gas relay; Remove the big cover bolt; The iron core is hoisted out and placed in the oil pan by balancing iron; Check the internal no problem should be loaded back in time, the iron core back into the tank; Strong big cover bolt; Install the removed accessories; Injection qualified oil; Complete pressure test after 6-10 hours of rest.
3. Oil samples can be taken for chromatographic analysis to determine whether the lifting core is needed. The following analysis results require the lifting core: hydrogen content exceeds 150ppm; The total hydrocarbon content exceeds 150ppm; Acetylene content exceeds 150ppm.
The above is the introduction of the main steps of the common oil-immersed transformer core and the common core. If you have any other questions about the common oil-immersed transformer core, please log in to our website for detailed understanding.
Post time: Nov-04-2021
