Why does oil-immersed transformer leak oil
Causes of Oil Leakage in Oil-immersed Transformers 1. Welding quality The oil-immersed transformer shell is a combination of steel plate welding and connection. Longer welds and more welded joints have higher requirements for welding operations. Due to the influence of external environment, temperature, experience skills, welding materials, plates and other factors, the quality results after […]