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The core of the dry-type power transformer adopts high-permeability high-quality grain-oriented cold-rolled silicon steel sheet 45 ° full oblique step seam. The core adopts a special square tube pull plate structure. The core post is bound by insulating tape. Special resin coating to prevent moisture and rust, effectively reducing no-load loss, no-load current and core noise.
Dry-type transformers are widely used in local lighting, high-rise buildings, airports, terminals, CNC machinery and other places. Simply speaking, dry-type transformers are transformers whose cores and windings are not immersed in insulating oil.
In the production process, pouring is a key to ensure the best insulation and mechanical properties, and there should be strict process control. On the one hand, the windings are placed in a preheating furnace until the prescribed pouring temperature is reached.
10KV epoxy resin cast dry-type transformer can be used as the replacement product of oil-immersed distribution transformer. It is the best product among various types of dry-type transformers, especially suitable for urban power grids, high-rise buildings, business centers, theaters, Hospitals, hotels, tunnels, subways, underground power stations, laboratories, stations, terminals, airports, combined substations and other important places.
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