Description
Reliable, Compact & Efficient Power for Railway Electrification (15–25 kV AC)
📞 Call/WhatsApp: +254 707 122 122 | 🌐 shopstemaengineering.com
⚙️ Technical Specifications
| Parameter | Typical Values |
|---|---|
| Rated Input Voltage | 15 kV / 25 kV AC (50/60 Hz) |
| Rated Power Output | Up to 7 MVA (application-dependent) |
| Cooling Methods | ONAN / ONAF / Forced-Air / Water-cooled |
| Mounting | Onboard (underframe/roof), Trackside |
| Insulation Class | Class F / H |
| Dielectric Strength | IEC 60076-compliant surge and insulation levels |
| Shock & Vibration | Designed per railway standards (IEC 61373) |
| Temperature Range | –40°C to +55°C (rail-class compliant) |
| Standards Compliance | IEC 60310, EN 45545, IEC 60076, UIC, GOST |
🔍 Key Features & Benefits
🚄 Designed for Railway Applications
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Supports AC 15 kV / 16.7 Hz and AC 25 kV / 50 Hz electrified systems
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Custom primary voltage tapping and onboard auxiliary output options
⚡ Compact & Lightweight
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Reduced footprint for underframe or roof mounting
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Advanced insulation materials reduce size and weight without compromising power
🌡️ Reliable Thermal Management
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Air and water-cooled versions
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Designed to withstand rail environment heat, dust, and mechanical stress
🔇 Low Noise & Vibration
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Quiet operation to meet urban and intercity standards
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Supports passenger comfort in high-speed rail
🛠️ Minimal Maintenance
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Hermetically sealed tanks with optional condition monitoring
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Long service intervals and high operational uptime
🚆 Applications
| Rail Type | Use Case |
|---|---|
| High-Speed Rail | Traction power and onboard auxiliary supply |
| Commuter Trains (EMU) | Urban passenger rail with regenerative braking support |
| Freight Locomotives | Heavy-duty power transformation for haulage trains |
| Light Rail / Metro | Compact designs for confined infrastructure |
| Trackside Substations | Voltage transformation for feeder stations |
🔁 ABB Traction Transformer Variants
| Model / Series | Application | Cooling | Mounting |
|---|---|---|---|
| ABB Bordline H | High-speed trains, intercity | Air/Water-cooled | Underframe |
| ABB Bordline M | Metro, EMU | Natural-cooled | Roof / Inside cab |
| ABB Trackside TT | Feeder station | ONAN/ONAF | Ground pedestal |
🆚 ABB vs Other Traction Transformer Brands
| Feature | ABB | Other Brands (Avg) |
|---|---|---|
| Voltage Support (AC systems) | 15 kV / 25 kV | 15–25 kV |
| Weight Optimization | High (up to 20% lighter) | Medium |
| Cooling Options | Air & water (customizable) | Mostly air-cooled |
| Smart Diagnostics | Yes (optional sensors) | Limited |
| Efficiency & Losses | < 1% total losses | 2–4% total losses |
| Global Rail Compliance | IEC, EN, UIC, GOST | Region-specific only |
🔐 Safety & Standards
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🔒 IEC 60310 (Traction transformer spec)
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🔒 IEC 60076 (General transformer standards)
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🔒 IEC 61373 (Shock & vibration)
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🔒 EN 45545-2 (Fire protection in rail vehicles)
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🔒 UIC standards for interoperability across Europe
📦 Sample Configurations
| Model | Voltage | Output Power | Mounting Type | Use Case |
|---|---|---|---|---|
| Bordline H 25 | 25 kV AC | 5.5 MVA | Underframe | High-speed passenger train |
| Bordline M 15 | 15 kV AC | 2.5 MVA | Roof-mounted | Metro, commuter rail |
| Trackside TT | 25 kV AC | 6.5 MVA | Ground pedestal | Rail feeder substation |
🧰 Services Offered by Shop Stema Engineering
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🔧 Custom transformer sizing & design consultation
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📐 CAD layout assistance for rail integration
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🚛 Delivery, mounting, and commissioning support
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🧪 Routine testing and maintenance plans
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⚡ Spare parts & refurbishment services
📞 Request a Quote Today
Looking for efficient, safe, and rail-compliant traction transformers? ABB’s advanced designs offer unmatched performance for modern railway networks.
📞 Call/WhatsApp: +254 707 122 122
📧 Email: info@stemaengineering.com
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