China 100 KVA 11KV Three Phase Distribution Transformer

The structure of 100KVA 11KV distribution transformer mainly includes the following parts:

‌Body‌: The body of the distribution transformer includes iron core, winding, insulation, lead and tap changer. The iron core is the magnetic circuit part of the transformer, which consists of iron core column and iron yoke, and is used to provide a magnetic flux path; the winding is the circuit part, usually made of copper wire or aluminum wire wrapped in insulating paper.

‌Protective device‌: Oil-immersed distribution transformer includes dehumidifier, oil pillow, safety airway, oil meter, temperature measuring element, gas relay, etc. These devices provide protection during the operation of the transformer to prevent abnormal conditions such as overload and overheating.

‌Oil tank‌: The 11kv distribution transformer is the outer shell for loading the iron core and winding. The oil tank is filled with transformer oil, which plays the role of insulation and heat dissipation. The oil tank includes the main body (tank cover, wall, bottom) and accessories (such as drain valve, trolley, nameplate, sampling valve, grounding bolt) ‌
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Outlet device‌: The distribution transformer with a rated capacity of 100kva includes high and low voltage bushings, which are used to lead the lead wires of the winding from the inside of the oil tank to the outside of the oil tank, and play the role of fixing the lead wires and insulating the ground ‌
‌Cooling device‌: Mainly a radiator, which is used to dissipate the heat generated inside the transformer to the surrounding environment through natural convection and radiation. For large-capacity and high-load transformers, forced cooling methods may be used, such as oil-immersed air cooling, forced oil circulation air cooling, etc. ‌
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