Adopting resin-cast insulation and an oil-free structure, the transformer is suitable for indoor installations and areas with high personnel density. It emphasizes fire safety, environmental protection with zero leakage risk, and low maintenance requirements. Optional natural air cooling or forced air cooling configurations are available to meet different load conditions and continuous operation demands.
The 1250 kVA dry-type transformer is better suited for projects with increasing load demand and higher peak loads, providing sufficient capacity margin for future expansion and system scalability.
Suitable for production line expansion and projects with significant load increase, providing sufficient capacity margin for future scalability.
Buildings with High HVAC & Elevator Loads
Ideal for commercial complexes, hotels, and similar facilities with high peak-load demand driven by air conditioning and elevator systems.
Zoned Industrial Park Power Distribution
Applicable to secondary substations and zoned centralized power supply in industrial parks, balancing system expansion capability and stable operation.
Product Description
1
Excellent Heat Dissipation: Supports both natural air cooling and forced air cooling, enabling increased capacity output under high load conditions while ensuring stable and reliable operation.
2
Superior Mechanical Strength & Durability: Epoxy resin-cast windings provide strong short-circuit and mechanical shock resistance, making the transformer suitable for high-humidity and dust-prone environments.
3
Easy Operation & Maintenance: No complex maintenance required, ideal for applications with high reliability requirements and low maintenance needs.
4
High-Performance Insulation & Thermal Resistance: Adopts a hybrid insulation system combined with DuPont Nomex® materials, ensuring long-term stable operation under high-temperature and heavy-load conditions.
Product Features
Excellent Insulation Performance
Uses epoxy resin insulation with strong dielectric strength, moisture resistance, and high-temperature resistance, improving overall equipment reliability and durability.
Safe & Reliable
Oil-free design with strong fire resistance eliminates the risk of oil leakage. It can withstand short-circuit currents and overvoltage conditions, ensuring stable operation in harsh environments.
Outstanding Heat Dissipation
Supports natural air cooling or forced air cooling. Under high load conditions, cooling performance can be enhanced to increase capacity output and ensure stable operation.
Eco-Friendly Design
Environmentally friendly, non-toxic, and harmless. No oil cooling medium is required, eliminating oil pollution risks and meeting energy-saving and environmental protection requirements.
Robust and Durable Structure
Optimized coil and core structure with enhanced short-circuit withstand capability, suitable for long-term continuous operation conditions.
Easy and Hassle-Free Maintenance
Oil-free design simplifies daily inspection and maintenance, enables easier fault localization, and reduces maintenance workload and downtime risk.
Main Parameters
Rated Voltage
6 kV, 10 kV, 35 kV and other standard voltage levels
Capacity Range
50 kVA – 2500 kVA
Cooling Method
Natural air cooling (AN) / Forced air cooling (AF)
Insulation Class
Class F / Class H
Implementation Standard
GB/T 6451-2015Technical Specifications for Power Transformers
GB 1094.1-2013Power Transformers Part 1: General Requirements
GB/T 10228-2015 Technical Parameters and Requirements for Dry-Type Power Transformers
JB/T 10393-2002Technical Conditions for Dry-Type Transformers
ISO 9001Quality Management System Certification
Technical Advantages
R&D Cloud Platform
An integrated digital platform combining electromagnetic optimization design, parametric modeling, performance analysis, structural optimization, and automatic drawing generation. It enables transformer design resource sharing and efficient data management, including search, modification, and version control.
Simulation Analysis
Comprehensive multi-physics simulation covering fluid flow, thermal field, electric field, leakage magnetic field, transient processes, and short-circuit forces. Each transformer series is optimized through thermal and flow analysis to accurately control winding temperature rise and hotspot distribution, ensuring reliable and stable performance.
Smart Operation & Maintenance Platform
By collecting key data such as temperature, current, voltage, vibration, and grid harmonics, the system enables real-time power quality analysis and fault alarms. It also supports mobile access for remote monitoring and intelligent O&M management.
