The design of 35kV series oil immersed power transformer is relatively advanced, and the material, structure and process have been greatly improved. The high and low pressure clamps are tensioned by steel tension belt or upper beam and side beam to form a solid frame structure, which can enhance the clamping force of iron core and withstand the impact of transportation. It has strong short-circuit resistance, beautiful appearance, reliable operation, low loss and low noise, reaching the advanced level of foreign similar products. The sz11-8000 / 35 transformer prototype produced by our company has passed the sudden short circuit test conducted by the National Transformer Testing Center once and for all. The longitudinal oil duct of high and low voltage coils is conducive to heat dissipation, which can greatly reduce the temperature difference between copper and oil and the temperature rise of the hottest spot inside the coil.
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