VKE Transformer Ships Multiple Dry-Type Units

Oct 11, 2025

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manufacturing process
Dry Type Transformers 1600kVA
01.

Preparation of Raw Materials

The production of dry type transformers begins with the preparation of various raw materials, mainly including copper wires, iron cores, insulating materials, and enclosures. Copper wires require high purity, and the iron cores need precise cutting.

02.

Iron Core Processing and Assembly

During processing, steel sheets are cut, stacked and insulated according to specifications. The precise manufacturing of the iron core is essential for enhancing the transformer's efficiency and reducing energy consumption. After pre-treatment, the iron core will be assembled with insulating materials.

Dry Type Transformers 1000kVA
Dry Type Transformers 1250kVA
03.

Coil Winding and Installation

In the winding process, particular attention must be paid to the number of turns, wire diameter, and the tightness of the winding. These factors directly affect the transformer's ratio and efficiency. Once wound, the coils are precisely installed onto the iron core and undergo insulation treatment to prevent current leakage or short circuits.

04.

Insulation Treatment

To enhance the transformer's safety and stability, high-performance insulating materials are used for treatment. These materials possess properties such as high temperature resistance, corrosion resistance, and high dielectric strength.

Dry Transformers 1250kVA
 
Dry Type Transformers 500kVA
05.

Impregnation and Curing

Following the assembly of the windings and iron core, the transformer unit undergoes an impregnation process. This treatment effectively enhance the transformer's insulation, preventing short circuits between internal conductors. Furthermore, it strengthens the transformer's resistance to vibration and moisture ingress, ensuring long-term operational stability in harsh environments. A subsequent curing stage solidifies the impregnation to further improve its overall durability.

06.

Testing and Inspection

Upon completion of manufacturing, every transformer undergoes rigorous testing and inspection. These tests include electrical performance tests, temperature rise tests, load tests, etc., to ensure that all parameters of the transformer meet the standards. Only after these strict inspections can the transformer be released from the factory and put into use.

Dry Transformers 1200kVA