The 20kV 2500kVA Dry Type Transformer is a robust solution for high-voltage environments, engineered to excel in both industrial and commercial settings. Its oil-free design enhances fire safety while reducing energy losses and minimizing maintenance needs, ensuring a reliable power supply.
Our three-phase epoxy-resin dry-type transformers comply with IEC726 and GB/T10228-1997 standards, offering a compact, lightweight design that delivers low noise, superior moisture resistance, excellent mechanical strength, and flame retardancy. With strong overload capability and low partial discharge characteristics, these transformers are ideal for demanding power transmission and distribution systems—especially in heavy load centers and areas with strict fire protection requirements.
Enhance Efficiency and Reliability
Boost the operational efficiency and safety of your 20kV 2500kVA dry type transformer with our premium suite of high-performance accessories, designed for seamless integration within your power distribution network.
Standard Accessories
Bidirectional Trolley
Featuring omni-directional wheels and an integrated locking system, this trolley offers effortless maneuverability and precise placement during installation and maintenance.
Temperature Sensors
Equipped with at least three high-precision PT100 sensors, these devices continuously monitor winding temperatures, delivering real-time data to safeguard against overheating and maintain operational stability.
Temperature Control Unit
Fully integrated into the transformer’s protection and monitoring system, this unit ensures precise temperature regulation, significantly enhancing system reliability.
Lifting Lugs
Expertly positioned lifting lugs simplify handling and transport, ensuring safe and efficient movement during installation and routine servicing.
Neutral Terminal
A conveniently accessible neutral terminal on the low-voltage side facilitates straightforward grounding, further reinforcing overall system safety.
Product Specifications
| Specification | Details |
|---|---|
| Rated Voltage | 20KV |
| Capacity | 2500KVA（2.5MVA） |
| Phase Configuration | Three-phase |
| Standards Compliance | Meets IEC 60076, ANSI, and IEEE standards |
| Cooling Mechanism | Adopts a passive cooling design that leverages natural airflow to efficiently remove heat, eliminating the need for auxiliary cooling systems while maintaining optimal thermal performance. |
| Insulation System | Integrates a specialized blend of high-performance epoxy resin with finely milled quartz, ensuring superior moisture resistance and enhanced fire protection for a truly maintenance-free operation. |
| Core Construction | Engineered with precision, the core is built from advanced cold-rolled silicon steel with high magnetic efficiency, significantly reducing energy losses and boosting overall performance. |
| Winding Design | Features robust copper windings shielded by durable epoxy insulation, crafted to endure high short-circuit forces and ensure long-term reliability under demanding conditions. |
| Insulation Class | Utilizes premium Class F insulation materials that reliably support continuous operation at elevated temperatures, withstanding conditions up to 155°C. |
| Maximum Winding Temperature Rise | Optimized to maintain a controlled winding temperature increase, limiting the maximum rise to 105°C above ambient even during full-load operations. |
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