Your Professional Dry Type Transformer Supplier
Perfect(Jiangsu) Electrical Group Co., Ltd. is located in Zhenjiang New District, Jiangsu Province. It is a National High-Tech Enterprise, a Jiangsu Province Key Software Enterprise, a Jiangsu Province Private Technology Enterprise, an AAA Credit Enterprise, and a Director Unit of the China Power Supply Association. The company is committed to providing smart power system solutions for large-scale industrial customers in sectors such as power generation, transportation, and new energy.
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![10-35KV Dry Type Distribution Transformer]()
10-35KV Dry Type Distribution TransformerBrand: PFK. Type: Dry Type Transformer. Phase: Three Phase . Vector Group: Dyn11 / Yyn0. Model: SCB Series. Rated High Voltage: 10-35 KV. Rated Low Voltage: 0.4 kV. Insulation Level: LI 75 AC 35 / LI
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![35KV Dry Type Power Transformer]()
35KV Dry Type Power TransformerBrand: PFK. Type: Dry Type Transformer. Phase: Three Phase. Vector Group: Yd11, YNd11/ Dyn11. Model: SC Series. Rated High Voltage: 35（38.5, 37.5, 36.5, 33）kV. Rated Low Voltage: 10.5（6.3, 6,
Why choose us
Sales Market
Our products are exported to Europe, the Americas, the Middle East, Southeast Asia, and other regions, where they have received widespread recognition and praise from customers.
Certifications
We have obtained ISO 9001 Quality Management System certification, ISO 14001 Environmental Management System certification, ISO 27001 Information Security Management System certification, and OHSAS 18001 Occupational Health and Safety Management System certification. Our products have passed multiple standards certifications, including GB, IEC, and CE. The company holds numerous invention patents, more than 60 utility model patents, and over 10 software copyrights.
Service
We provide on-site installation, commissioning, and maintenance services for busway systems, switchgear, and transformers, ensuring stable and reliable operation of each system. Our professional teams are experienced in handling complex site conditions and provide comprehensive support throughout the full life cycle of customers’ power distribution equipment.
Benefits of Dry Type Transformer
Enhanced Safety
The fire risk is significantly reduced since dry-type transformers don’t use oil or liquid coolants.
Environmentally Friendly
Without the risk of oil leaks or spills, dry-type transformers are a more sustainable option.
High Efficiency
Dry-type transformers are designed to operate with minimal energy loss. This efficiency means lower operational costs and reliable performance, even in high-voltage applications.
Durability in Harsh Conditions
Thanks to their robust construction, dry-type transformers can withstand extreme temperatures, high humidity, and other challenging conditions without compromising performance.
Voltage Rating: The voltage rating of a dry-type transformer indicates the maximum voltage the transformer can handle on both the primary and secondary windings. This rating is essential for ensuring the transformer can operate efficiently within the system’s voltage requirements, whether in a low or high-voltage application.
Power Rating (kVA): The power rating, expressed in kilovolt-amperes (kVA), reflects the maximum power the transformer can deliver. Selecting a transformer with the appropriate power rating is vital for maintaining system stability and avoiding overloading the transformer.
Temperature Rise: This rating measures the maximum temperature increase in the transformer windings during regular operation. Dry-type transformers are designed to minimize temperature rise, which helps extend the unit’s lifespan and maintain efficient operation, even under heavy loads.
Insulation Class: The insulation class indicates the maximum operating temperature the insulation can withstand without degrading. Higher insulation classes allow the transformer to operate in more demanding environments.
Dielectric Strength: This refers to the ability of the transformer’s insulation to withstand electrical stress without breaking down. High dielectric strength ensures the transformer’s reliability and safety, particularly in high-voltage applications.
Dry Transformer Manufacturing Process
Core Construction
The process begins with constructing the magnetic core, typically made from high-quality, grain-oriented laminated steel. The core is carefully designed and assembled to minimize energy losses and ensure efficient magnetic flux.
Winding Preparation
Next, the primary and secondary windings are prepared using high-grade copper or aluminum conductors. These windings are precisely wound around the core to achieve the desired electrical characteristics, such as voltage and current ratings.
Vacuum Casting
Once the windings are in place, the assembly undergoes vacuum casting. During this process, the windings are placed in a mold, and an epoxy resin is poured over them under vacuum conditions. This ensures that the resin thoroughly penetrates the windings, eliminating air pockets that could compromise the transformer’s insulation.
Curing
After the resin is cast, the transformer is subjected to a curing process. This involves heating the assembly to a specific temperature to harden the resin. The curing process solidifies the resin, creating a robust and durable insulation layer that protects the windings from environmental factors such as moisture, dust, and corrosive elements.
Final Assembly and Testing
The final step in the manufacturing process involves assembling the transformer’s protective enclosure and performing rigorous testing. These tests ensure the transformer meets all electrical, thermal, and mechanical specifications, guaranteeing its performance and safety in the field.
Our Certificate
FAQ
We are one of the most professional dry type transformer manufacturers and suppliers in China, also support customized service. Please rest assured to buy high quality dry type transformer made in China here from our factory. Welcome to view our website for more information.
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