Load Converter
2 X 500 kVA IGBT Based Hotel Load Converter
Specification No. CLW/ES/3/IGBT/0490 (Alt.D) Rev-1
Description
- Designed for shock and vibration endurance in compliance with IEC/EN railway standards.
- Low no-load and load losses ensure superior operational efficiency.
- Engineered to withstand transient overvoltages and high inrush currents.
- Meets RDSO and IEC requirements for electrical clearances and insulation levels.
Technical Specifications :
| Parameter | Specification |
|---|---|
| Type | LOT 7500 |
| Original Design | Secheron SA |
| Windings | Traction: 4, Auxiliary: 2, Filter: 1, Hotel Load: 2 |
| Frequency (f nom) | 50 Hz |
| Primary Voltage | Max: 30.0 kV, Nominal: 25.0 kV, Min: 17.5 kV |
| Voltage Ratings (at 25.0 kV) | Traction: 1269 V, Auxiliary: 1000 V, Filter: 1154 V, Hotel Load: 960 V |
| Current Ratings | HT: 311 A, Traction: 4×1142 A, Auxiliary: 333 A, Filter: 347 A, Hotel Load: 2×648 A |
| Thermal Ratings | Primary: 7775 kVA, Traction: 4×1449 kVA, Auxiliary: 333 kVA, Filter: 400 kVA, Hotel Load: 2×622.5 kVA |
| Winding Data | Traction: 37.0 mΩ, 2.1 mH ±15% Auxiliary: 60.0 mΩ, 0.43 mH Filter: 19.0 mΩ, 0.29 mH Hotel Load: 11.0 mΩ, 0.65 mH |
| Type | Coach Combination | Existing Connected Load (kW) | Power Requirement @ 0.8 Diversity Factor (kW) |
|---|---|---|---|
| 12 Coach Shatabdi | AC-9, Power Car-2, Pantry-1 | 440 | 352 |
| 19 Coach Rajdhani | AC-15, Power Car-2, Pantry-2 | 742 | 593.6 |
| 24 Coach Rajdhani | AC-20, Power Car-2, Pantry-2 | 932 | 745.6 |
| LHB Type 1-AC | — | 37.95 | — |
| LHB Type 2-AC | — | 38.2 | — |
| LHB Type 3-AC | — | 37.57 | — |
| LHB Pantry Car (Hot Buffet) | — | 62.276 | — |