Traction & Auxiliary Power
Solutions
Our comprehensive portfolio of traction and auxiliary converters is designed to deliver exceptional reliability, high power density, and energy efficiency for demanding transit networks. Built on advanced IGBT/SiC technology and featuring robust thermal management, our systems ensure maximum uptime and seamless integration across diverse light rail, metro, and locomotive platforms.
State-of-the-art Power Electronics for Rolling Stock & Railway Infrastructure
Heavy-Duty Traction Converter Cabinet:
A fully enclosed, multi-phase traction converter cabinet designed for electric locomotives. Features modular phase-leg configurations, liquid cooling, and integrated gate driver diagnostics to optimize traction torque control under high-vibration railway operations.
Liquid-Cooled IGBT Auxiliary Converter:
Engineered for compact vehicle installation, this module combines highly efficient forced-liquid cooling plates with advanced IGBT switching. Ideal for powering secondary systems, onboard HVAC, and auxiliary pneumatic systems with ultra-low THD.
Modular Product Portfolio
AUXILIARY POWER
Liquid-Cooled IGBT Auxiliary Converter Module
This module delivers stabilized DC and AC power to critical onboard loads.
Featuring high-frequency switching and a high-density, integrated heatsink profile, it ensures minimal thermal resistance and continuous operation at high ambient temperatures.
- Advanced water-glycol cold plate technology for optimized heat dissipation
- Integrated gate-drive monitoring with fast short-circuit protection
- Robust ribbon cabling and visual diagnostics for rapid maintenance access
UNDER-CAR SYSTEM
Under-Frame Mounted Multi-Converter Enclosure
Designed for installation beneath passenger coaches, this IP65-rated enclosure houses multiple power electronics bays. It incorporates primary traction filters, input fuses, and high-voltage contactors within a structurally reinforced casing.
- Heavy-duty shock absorbers and vibration dampening mounts
- Hinged access panels with safety interlocks for simple trackside inspection
- Multi-point high-voltage isolation barrier design for optimal safety
COMPACT INTEGRATION
Compact IP67 Liquid-Cooled Power Electronics Unit
An ultra-compact converter module housed in a rugged, cast-aluminum chassis. Specifically optimized for limited-space installations on regional trains and electric buses, combining control intelligence with extreme environmental sealing.
- Full IP67 dust and water ingress protection rating
- Industrial-grade quick-connect fluid couplers for zero-leak serviceability
- Integrated micro-controller for direct CAN-bus/Ethernet telematics interfacing
Subsystems & Technical Specifications
POWER CORE
Modular IGBT Power Stack with Dual Handles
This slide-in drawer component represents the modular core of our converter lineup. Equipped with handles for rapid swap-out times, the module contains power semiconductors, gate driver boards, dc-link capacitors, and custom laminated busbars.
- Standardized mechanical interface allowing dynamic under-five-minute replacement
- Laminated planar busbar design minimizing parasitic inductance
- Optimized driver circuitry with optical fiber signal isolation for superior noise
- immunity
Technical Specifications :
| System / Module | Nominal Input Voltage | Max Power Output | Cooling Method | Protection Class | Weight |
| Traction Cabinet | 1500 VDC / 25 kV AC | 1.2 MW | Forced Liquid (Water / Glycol) | IP54 (Interior) | 820 kg |
| Auxiliary Module | 600 / 750 VDC | 120 kVA | Liquid Cold Plate | IP65 | 45 kg |
| Under-Frame Enclosure | 3000 VDC / 1500 VDC | 450 kVA (Total) | Natural / Forced Air | IP65 | 320 kg |
| Compact Power Unit | 400 to 800 VDC | 75 kW | Liquid-Cooled | IP67 | 28 kg |
| IGBT Power Stack | Up to 1200 VDC | 250 kW | Direct Contact Cold Plate | IP20 (Chassis) | 18 kg |