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CEEG Oil-Immersed Railway Traction Transformer - High-Reliability Power Supply for Electric Locomotives and High-Speed Rail
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Home  >  Products  >  Oil-Immersed Transformer  >  CEEG Oil-Immersed Railway Traction Transformer
CEEG Oil-Immersed Railway Traction Transformer
A high-temperature oil-immersed transformer designed for electrified railway traction power supply. It converts high-voltage electricity into low-voltage power suitable for traction locomotives. It features high-mechanical-strength windings and automated core stacking technology, delivering excellent short-circuit resistance and low losses. Designed for heavy-duty and high-speed railway applications, it ensures reliable performance under demanding operating conditions.
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CEEG Oil-Immersed Railway Traction Transformer - High-Reliability Power Supply for Electric Locomotives and High-Speed Rail
CEEG Oil-Immersed Railway Traction Transformer - High-Reliability Power Supply for Electric Locomotives and High-Speed Rail
CEEG Oil-Immersed Railway Traction Transformer - High-Reliability Power Supply for Electric Locomotives and High-Speed Rail
CEEG Oil-Immersed Railway Traction Transformer - High-Reliability Power Supply for Electric Locomotives and High-Speed Rail
CEEG Oil-Immersed Railway Traction Transformer - High-Reliability Power Supply for Electric Locomotives and High-Speed Rail
CEEG Oil-Immersed Railway Traction Transformer - High-Reliability Power Supply for Electric Locomotives and High-Speed Rail
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Scope of application
High-Speed Railways
Long-duration, high-load operation with strict requirements on temperature rise control and short-circuit withstand capability.
High-Speed Railways
Heavy-Haul Railways
Frequent load impacts require strong mechanical strength and high operational reliability.
Heavy-Haul Railways
Mainline Traction Systems
Used as core equipment in traction substations, focusing on lifecycle cost efficiency and long-term stable performance.
Mainline Traction Systems
Product Description
Product Description
1 High Temperature Resistance: Uses high-temperature insulation materials and liquid cooling technology to ensure stable long-term operation in harsh environments.
CEEG Oil-Immersed Railway Traction Transformer
2 High Efficiency: Low-loss, high-efficiency design meets the heavy power demands of railway traction systems.
CEEG Oil-Immersed Railway Traction Transformer
3 Eco-Friendly & Safe: Employs environmentally friendly insulating fluids that are fire-resistant, non-toxic, and compliant with international safety standards.
CEEG Oil-Immersed Railway Traction Transformer
4 Built for Harsh Conditions: Reliable operation under humidity, salt mist, and vibration, suitable for diverse railway applications.
CEEG Oil-Immersed Railway Traction Transformer
5 Flexible Customization: Modular design allows tailored configurations for different line requirements, with easy installation and maintenance.
CEEG Oil-Immersed Railway Traction Transformer
6 Long Service Life & Low Cost: Optimized structure reduces maintenance needs and lifecycle costs, ensuring stable and economical railway power supply.
CEEG Oil-Immersed Railway Traction Transformer
Product Features
CEEG Oil-Immersed Railway Traction Transformer

Safe & Reliable

  • Railway System Reliability: Serves as a critical component in electrified railway systems to support efficient operations.
  • Outage Prevention: Ensures stable performance and actively prevents power outages caused by equipment failure.
CEEG Oil-Immersed Railway Traction Transformer

Energy Efficient

  • High Efficiency: Low-loss design significantly reduces energy consumption and improves overall system efficiency.
  • Cost Reduction: Minimizes operating costs to deliver better economic returns.
CEEG Oil-Immersed Railway Traction Transformer

Excellent Overload Capacity

  • Optimized Thermal Performance: Features low loss and low temperature rise to maximize equipment capacity utilization.
  • Overload Stability: Formulated to maintain highly stable performance even under demanding overload conditions.
CEEG Oil-Immersed Railway Traction Transformer

Long Service Life & Low Maintenance

  • Maintenance-Free Design: Engineered for minimal or maintenance-free operation to reduce downtime and ensure continuous power supply.
  • Lifecycle Optimization: Aligns with modern lifecycle management concepts to maximize long-term operational efficiency.
CEEG Oil-Immersed Railway Traction Transformer

High-Temperature Oil-Immersed Design

  • Advanced Thermal Control: Uses high-temperature insulating fluid and a sealed structure for optimized thermal management.
  • Extreme Condition Readiness: Engineered for stable operation in harsh environments, such as tunnels and areas with high ambient temperatures.
CEEG Oil-Immersed Railway Traction Transformer

Vibration & Shock Resistant

  • High Impact Resistance: Features a reinforced structure and robust clamping design to withstand severe vibration and impact in traction applications.
  • Operational Stability: Engineered to guarantee stable and highly reliable operation under dynamic and demanding conditions.
Main Parameters
Typical Range 5 MVA - 50 MVA
High Voltage Side 110 kV / 220 kV
Low Voltage Side 27.5 kV / 55 kV
Cooling Method ONAN (Oil Natural Air Natural) / OFAF (Forced Oil Circulation Air Cooling)
Insulation Class High-temperature insulation materials
Implementation Standard
Implementation Standard
GB 1094 Power Transformers
GB/T 6451 Oil-Immersed Power Transformer Technical Parameters and Requirements
IEC 60354 Transformer Loading Guide
TB/T 1027 Technical Specifications for Electrified Railway Traction Transformers
Technical Advantages
R&D Cloud Platform
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
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
Smart Operation & Maintenance Platform
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.
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