25 kVA Transformer
25 kVA, 415V/415V, 3- Phase Dry Type Distribution Transformer With LC Filter
Specification No. ICF/ELEC/948
Description :
- 25 kVA, 3-phase, dry-type, natural/air-cooled distribution transformer.
- Specifically engineered for Self-Generation Military Langer (ML) railway coaches.
- Converts 415 V, 3-phase, 3-wire AC supply to 240 V, 3-phase, 4-wire AC.
- Provides reliable electric power for on-board systems in ML coaches.
- Built as per ICF specification ICF/ELEC/948 ensuring safety, reliability, and railway compatibility.
Technical Specifications :
| Input | |
| Nominal voltage | 3 Phase, 3 wire, 415 V ± 5%, 50 Hz ±3%, PWM sine wave supply from 25kVA Inverter |
| Output | |
| Power | 25 KVA |
| Output Voltage | 3 Phase, 4 wire, 415 V ± 5%, 50Hz ±3% (line to line), 240V (line to neutral, earthed), harmonic distortion <5%, pure sinusoidal |
| Efficiency | >96% from half load to full load |
| Class of insulation | H |
| Noise level | < 60db at 1.0 m distance |
| Protections | |
| Vector configuration | Delta – Star (Dy-11) |
| IP Protection | IP-67 |
| Winding Wire | Super enameled copper winding wire as per IS: 13730 Pt. 13, 13730 Pt. 29 |
| Max. Temp Rise | 95°C |
| Total Weight | 400 Kg (Max.) |
| Construction | |
| Enclosure | 2.0 mm thick CRCA Enclosure / Housing, Powder coated black, min. thickness 50 Microns |
| Overall Length | 970 mm |
| Overall Depth | 560 mm |
| Overall Height | 650 mm |
| Mounting | 360 mm × 215 mm, 500 mm × 215 mm |
| Weight | 300 Kg approx. |
| Cooling | Natural air cooled |