Onboard Dry-Type Railway Transformers
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- Onboard Dry-Type Railway Transformers
Compact and High-Safety Power Solutions for Rolling Stock Applications
Onboard railway electrical systems require specialized engineering solutions due to limited installation space, continuous vibration, mechanical shocks, and strict fire safety requirements.
ESTA Onboard Dry-Type Railway Transformers are specifically engineered to deliver reliable, lightweight, and fire-safe power solutions for rolling stock applications.
Electrical Scope
Power range
10 kVA – 2 MVA
Voltage level
Project-specific
Frequency
50 Hz / 60 Hz
Insulation class
Class F / Class H
Cooling method: Air Natural (AN) or Air Forced (AF)
Compact and lightweight configuration
Fully engineered-to-order according to rolling stock design requirements.
Applications

Metro vehicles

Tram systems

Electric multiple units (EMU)

High-speed trains

Passenger and suburban trains
Rolling Stock-Specific Design Features
Mechanical Robustness
- Designed for continuous vibration and mechanical shock
- Reinforced mounting structure
- Lightweight yet rigid construction
Fire Safety Compliance
- Self-extinguishing insulation system
- Low smoke emission materials
- Designed in accordance with railway fire safety standards
Compact Engineering
- Optimized for restricted installation spaces
- Improved power-to-weight ratio
Engineering Capability
ESTA provides comprehensive engineering support including:
- Vibration and shock resistance analysis
- Thermal performance calculations
- Compact design optimization
- Project-specific FAT procedures
Each transformer is engineered according to rolling stock manufacturer specifications and operational conditions.
Operational Advantages
- Compact and lightweight construction
- High fire safety performance
- Vibration-resistant design
- Long service life
- Engineered for rolling stock applications
Operational Reliability
In rolling stock applications, equipment failure directly affects service continuity. Therefore, ESTA designs prioritize:
- High operational reliability
- Extended insulation life
- Stable thermal performance
- Minimal maintenance requirements
Standards & Compliance
Designed and manufactured in accordance with:
- IEC 60076-11
- Railway rolling stock technical requirements
- Fire safety compliance standards
Project-specific type testing and FAT procedures available upon request.