Traction Transformers to boost Railway Performance
Powering the future of rail transport across North America
Traction environments are among the most challenging electrical applications. High levels of vibration, fluctuating thermal loads, and continuous cyclic stress are common. Transformers operating in these settings must guarantee uninterrupted performance, compact installation footprints, and long service life — often under adverse conditions such as tunnels, high altitudes, or coastal climates. TMC USA provides industry-leading dry-type transformers engineered specifically for traction applications.
The role of traction transformers in rail systems
Traction systems form the backbone of electrified rail transport. Whether installed along trackside substations, onboard locomotives, or within auxiliary power modules, transformers play a critical role in voltage adaptation, load balancing, and operational safety. Common traction applications include:
- AC and DC traction substations.
- Auxiliary and onboard converter systems.
- Feeding and sectioning posts.
- Depot power and maintenance facilities.
Rail operators and system integrators need transformers that deliver performance under variable load conditions, harsh environmental factors, and continuous vibration exposure—while remaining maintenance-friendly and compliant with tight space constraints.
Why dry-type transformers are the right fit for rail
In traction networks, traditional oil-filled units can pose risks in terms of fire safety, leakage, and environmental compliance. Dry-type transformers, especially those manufactured with advanced cast resin technology, offer several compelling advantages:
- Fire safety and minimal environmental impact.
With no flammable liquids involved, dry-type transformers are safer for confined environments such as tunnels, stations, and onboard equipment. - Compact design for rolling stock and substation integration.
Easily customizable for restricted installation spaces without sacrificing performance or reliability. - Low maintenance.
Dry-type solutions reduce maintenance cycles and are resistant to dust, humidity, and vibrations. - Proven long-term performance.
Designed to operate efficiently even under overload conditions, with high dielectric strength and thermal resilience.
TMC: your traction power partner
At TMC USA, we don’t just manufacture transformers - we engineer traction power solutions. With a deep understanding of transport infrastructure and decades of global experience, we develop solutions that meet the technical, environmental, and regulatory challenges of modern traction systems.
