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Underslung converter 5kW IGBT based for Metros.
Compliant Standards: IEC 61287-1 (Edition 2.0), IEC-60571 (Edition 2.1), IEC- 60310 (Edition 3.0), IEC 61373 (Edition 2.0), and other relevant IEC and Indian (BIS) standards.
UNDERSLUNG CONVERTER 5 KW
for Metro Railways
Technical Features
- State of the art DSP based system.
- Stabilized and balanced output (6 – 12 V DC adjustable).
- Wide DC input variation (500 – 990 V DC).
- Maintenance free, being fully static.
- Low noise level.
- Underslung structure with IP65 protection class.
- Online monitoring.
- Event and Data logging facility.
- Output galvanically isolated from input.
- Natural cooled.
Applications
Converts third rail DC input voltage with wide variation to stabilized 6 - 12 V DC (capacity 417 Amp) for the safe and reliable operation of DC motor braking, for metro vehicles.
Technical Specifications
(A) Input
| Factors | Values |
|---|---|
| Nominal Voltage |
750 V DC Range 500 – 990 V DC including ripple 4.5% |
(B) Output
| Factors | Values |
|---|---|
| Output power | 5 kW (nominal operation) |
| Over load | 6 kW for 5 seconds |
| Voltage | 6 - 12 V DC |
| Output voltage ripple | < 5% |
| Output DC current ripple | < 3% |
| Efficiency | ≥92% |
(C) General
| Factors | Values |
|---|---|
| Operating ambient temperature | 5°C to 55°C |
| Cooling | Natural |
| Display & Communication part | Vacuum fluorescent display (VFD and RS232, CAN part for data retrieval) |
| Control Voltage | Nominal 110 V DC (77 to 137.5 V) |
| Weight | ~ 200 Kg |
| Envelope size | 805 × 480 × 700 (L × W × H) in mm |