High-Temperature Liquid-Immersed Railway Traction Transformer
This high-temperature-resistant liquid-immersed transformer is dedicated to traction power supply for electrified railways. Its main function is to convert high-voltage electric energy into low-voltage power suitable for traction locomotives. Built with high mechanical strength windings and an automatic lamination process, it offers excellent short-circuit withstand capability and low losses, fitting heavy-load and high-speed railway lines.
Product Introduction
Key Specifications
Typical range
5 MVA - 50 MVA
High Voltage Side
110 kV / 220 kV
Low Voltage Side
27.5 kV / 55 kV
Cooling Method
Liquid-immersed self-cooled / forced oil circulation air-cooled
Insulation Class
High-temperature resistant insulation material
Applications
High-speed railway
Long-term high-load operation, with focus on temperature rise and short-circuit withstand
Heavy-haul railway
Frequent impact loads, emphasizing mechanical strength and reliability
Mainline traction
Main equipment for traction substations, focusing on life-cycle cost
Product Overview
- High-temperature resistance: high-temperature insulation materials and liquid cooling technology adapt to high-temperature environments, ensuring long-term stable operation.
- Efficient energy conversion: low losses and high efficiency meet the high-power load demands of railway traction.
- Eco-friendly and safe: environmentally friendly insulating liquid, fire-resistant and non-toxic, complying with international safety standards.
- Harsh-environment ready: suited to complex conditions such as high humidity, salt fog, and vibration, widely used in all types of railway scenarios.
- Flexible customization: modular design supports customization, offers convenient installation and maintenance, and adapts to diverse line requirements.
- Long service life, low cost: optimized structure with minimal operation and maintenance is economical and efficient, ensuring a stable railway power supply.
Product Features
Safe & Reliable
As key equipment for electrified railways, the traction transformer is reliably built to prevent complete substation outages caused by equipment failure, ensuring efficient railway transportation.
Energy saving and highly efficient
The low-loss design significantly reduces operating energy consumption and production costs, improving energy utilization efficiency for railway systems.
Superior Overload Capacity
Low loss and low temperature rise ensure stable operation under overload conditions, improving capacity utilization and further reducing operating costs.
Long Life and Low Maintenance
Low-maintenance or maintenance-free design reduces power interruption time and ensures continuous operation, in line with the modern equipment management philosophy of 'condition control and life management'.
High-temperature liquid-immersed
High-temperature-resistant insulating liquid and sealed structure suit high-temperature tunnels, summer sun exposure, and similar conditions, with better-controlled temperature rise
Anti-vibration and anti-impact
Reinforced structure and clamping design withstands vibration and shock in traction applications for more stable operation
Standards and certifications
GB 1094
Power transformer
GB/T 6451
Technical Parameters and Requirements for Oil-Immersed Power Transformers
IEC 60354
Transformer Loading Guide
TB/T 1027
Technical Conditions for Electrified Railway Traction Transformers
Technical Advantages
R&D cloud platform
Integrates electromagnetic optimization design, parametric drawing, performance analysis, structural optimization, and automatic drawing output for transformers, enabling shared transformer design resources and search, modification, and version control of all kinds of data.
Simulation Analysis
Flow field, temperature field, electric field, leakage magnetic field, wave process, and short-circuit force. The R&D and design of every product series are verified through flow field and temperature field simulation analysis to determine the winding average temperature rise and hot-spot temperature, ensuring product performance.
Smart O&M platform
By collecting key data such as transformer temperature, current, voltage, vibration, and grid harmonics, it enables online power quality analysis and fault alarms, and can be installed on mobile phones.
