Barter is the present and the future of international trade, especially for people who is starting in the import export business. Barter and more: Triangular operations.
The oil-immersed transformer is mainly composed of the main body of the transformer (iron core, winding, insulating material, lead wire and tap changer), the oil tank (the main body of the oil tank, the accessories including the oil drain valve, earthing screw, nameplate, etc.), cooling device (radiator, cooler), protective device (oil storage cabinet, oil margin, airway, desiccator, temperature measurement element and gas relay), outgoing line device (high and low voltage tube).