SCB14 10-35kV
Future Electric
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Features / Highlights
1. The core is made of high permeability oriented cold rolled silicon steel sheet, which can effectively reduce losses.
2. The windings are made by vacuum casting with epoxy resin, which ensures excellent insulation performance and protection against moisture and contamination.
3. The transformer is small in design, small in size, light in weight and easy in installation.
Overview of the Product
Core: The core is constructed with high permeability oriented cold-rolled silicon steel sheets. The core takes a fully oblique-slot laminated structure, and the columnar part of the core has a multi-stage circular cross-section. The cross section of the yoke is identical to the core.
Coils: The high voltage and low voltage windings are made from oxygen free copper wire. The low voltage winding adopts the foil structure, which can effectively reduce the load losses. The windings are epoxy resin vacuum cast, completely eliminating air bubbles and ensuring excellent insulation performance. The high-voltage winding is equipped with connectors for the required tap-voltage. These connectors are connected to a disconnect switch mounted on the cover. The voltage of a tap must be changed with the power off.
Enclosure:The transformer can be supplied with an IP20 or IP30 protective enclosure. Accidental contact by personnel and dust intrusion are effectively prevented and operational safety is guaranteed. The enclosure is made of high-quality steel with painted surface providing durable paint film and excellent corrosion resistance.
The windings are manufactured using a vacuum casting process. This process successfully removes the moisture and air bubbles from the windings and ensures a solid union between the epoxy resin and windings. This effectively prevents the ingress of oxygen and moisture into the windings and hence prevents the reduction of the insulation performance of the transformer. This measure significantly enhances the reliability of transformer operation.
Insulation structure: The dry-type distribution transformer adopts F-class insulation structure. The high voltage coil and low voltage coil are concentric, and the gaps between the coils are formed by insulating partitions and air gaps to ensure good insulation performance.
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