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ABB Traction Transformers (15–25 kV AC)
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🧭 Overview
ABB Traction Transformers are built to meet the rigorous demands of railway electrification, delivering safe and efficient power conversion for electric locomotives, EMUs (Electric Multiple Units), and high-speed trains. Designed to operate in 15 kV to 25 kV AC overhead systems, these transformers ensure energy efficiency, low noise, and long life cycles even in extreme conditions.
With lightweight, compact, and vibration-resistant designs, ABB’s traction transformers are ideal for both onboard and trackside railway applications. They play a key role in reducing emissions and improving energy efficiency across modern transportation networks.
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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