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Product series of enclosed oil-impregnated transformers feature rational structure, high-load capacity, reliable operation and maintenance-free
Corrugated oil tank is used for the transformer, transformer oil is subject to volumetric change caused by temperature difference and adjusted by elastic expansion of corrugated sheet
Air inside and outside the transformer is fully isolated, to prevent moisture from entering into the transformer inside, normal operation without charging oil during lifetime with less maintenance of transformer and higher reliability of network operation
No oil conservator, transformer protectors (pressure relief valve and gas relay) are mounted on tank cover, to ensure normal operation of transformer.
When the transformer is stored and stored, the oil level of the fuel tank should always be kept above the tank cover, and the storage condition should be checked regularly. For transformers that are transported by the oil conservator, the oil conservator must be installed during storage to ensure a certain amount of oil pressure and oil to meet the needs of temperature changes.