产品中心
菏泽High Reliability Encapsulated Dry Type Transformer
产品描述
Dry-type transformers are mainly divided into three types: open type, closed type and cast type.
Winding processing technology characteristics
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. On the other hand, a resin mixing table is prepared in a continuously operating apparatus. The various components of the resin are only mixed together before pouring. After this, the preheated windings are transferred to the vacuum casting chamber. Once the degree of vacuum in the casting chamber reaches the specified value, the resin is poured into the mold. In this way, when the resin is poured into the mold, the viscosity of the mixed resin is very low. Can fill the gap. Thereby reaching the lowest partial discharge level. After pouring is completed. The winding is cured to the final good performance.
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