Fully Sealed 50kva-5000kva Oil Immersed Distribution Transformer Manufacturer

Henan GNEE Electric Co., Ltd. is one of the most reliable manufacturers and suppliers of fully sealed 50kva-5000kva oil immersed distribution transformer manufacturer in China. If you're going to buy customized fully sealed 50kva-5000kva oil immersed distribution transformer manufacturer made in China, welcome to get quotation from our factory. Quality products and reasonable price are available.

Product Introduction

A fully sealed oil-immersed distribution transformer is a transformer that uses insulating oil as the insulating medium. Its core feature is that the transformer oil is completely isolated from the air, ensuring that the transformer does not require maintenance during its life. This design significantly improves the safety and reliability of the transformer.

Features of fully sealed oil-immersed distribution transformers

Fully sealed: The fully sealed distribution transformer is specially designed to ensure that the transformer oil is completely isolated from the air, avoiding moisture and deterioration of the transformer oil, thereby extending the service life of the transformer

Safety protection: Oil-immersed distribution transformers are usually equipped with a pressure relief valve, which can release pressure when the internal pressure is too high to protect the transformer from damage

Maintenance-free design: Due to the tight internal structure of the distribution transformer and the automatic adjustment of the oil level and pressure, this transformer requires almost no maintenance during normal operation

Efficient cooling: The expansion radiator is used, which can expand and contract with the volume of the transformer oil, effectively adjust the pressure and oil level inside the oil tank, and ensure the stable operation of the transformer

Application scenarios
Fully sealed oil-immersed three-phase distribution transformers are widely used in power supply and distribution systems such as industrial and mining enterprises and civil buildings. They are able to reduce the 10kV or 35kV network voltage to the 230/400V bus voltage used by users, suitable for AC 50Hz or 60Hz systems. The maximum rated capacity of this type of transformer is 2500kVA (three-phase) or 833kVA (single-phase), which can usually be used indoors or outdoors, and can even be installed on poles when the capacity is 315kVA and below. ‌

Maintenance and maintenance ‌

Due to the fully sealed design, this type of transformer requires almost no maintenance under normal use conditions. However, it is still necessary to regularly check the external equipment and connection status to ensure the normal operation of the transformer. In addition, regular inspections and tests should be carried out in accordance with relevant standards to ensure its performance and safety‌

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