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Oil transformer

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Description

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Typically used in medium and high voltage power transmission and distribution systems such as 10 kV, 35 kV, 110 kV. A corrugated tank with radiators (corrugated radiators) is used, without an expander (fully sealed design); usually found in energy saving transformers of the S11 and S13 series. The body is completely coated with anti-corrosion paint in gray or silver-gray, industry standard paint; on the left are high-voltage bushings (usually 10 kV or 35 kV), usually 3 porcelain bushings; on the right are low-voltage bushings (0.4 kV or 10 kV) in larger numbers (usually 4 or 6). A dial type oil level indicator, visible from the front, serves to monitor the oil level. There is a stainless steel plate in the front middle indicating the model, power, voltage class, short circuit voltage, serial number, etc. There is a channel base for easy lifting and mounting. Cooling method - ONAN (natural oil cooling), without a fan, cooling is carried out by natural circulation. It is used in industrial and mining enterprises, in residential areas, in photovoltaic and wind power plants, and in the assembly of complete transformer substations. It can be used both as a step-up and step-down transformer, depending on the connection diagram.