Airfield rectifier AR-800A with 400Hz input is designed for use on AC ground power units to supply 28V DC to aircrafts and helicopters. It is also can be used as a power unit of test benches, hangars and aircraft manufacturing plants.
The rectifier can be power supplied by any type of 400Hz 200V converter (50/60Hz based units also available):
– Diesel generators
– Static frequency converters
The rectifier is designed to supply 800 A continuous output and 2500 A soft engine start. The rectifier is available in mobile and stationary version.
Features:
- Low line current distortion
- High quality of output voltage
- High efficiency coefficient
- Heavy duty design
Main features:
- Low input harmonic distortion
- Output current high quality
- High efficiency class
- Adjustable output
- 800 A continuous output power
- 2500 A (adjustable) soft-start engine starting
- Phase loss and phase imbalance protection
- Heavy duty design
- Average pre-repair working time: 100 000 h
- Maximum repair time: 20 min
Technical characteristics:
| 1. | Output parameters: | |
| 1.1 | Rated output voltage, V DC | 28 |
| 1.2 | Output voltage stabilization accuracy, V | ± 0,5 |
| 1.3 | Voltage regulation | 21-36 |
| 1.4 | Pulsation coefficient of output voltage, % | ≤ 7,4 |
| 1.5 | Rated output current, A | 800 |
| 1.6 | Current overloads, A | |
| – 60 sec | 1800 | |
| – 30 sec | 2100 | |
| – 5 sec | 2500 | |
| 1.7 | Overall efficiency, % | ≥ 92 |
| 1.8 | Quantity of outputs | 1 |
| 1.9 | Crest factor | 1,414 ± 3% |
| 2. | Input parameters: | |
| 2.1 | Supply main rated voltage, V AC | 3×115\200V |
| 2.2 | Supply main voltage permitted deviation, % | ± 15 |
| 2.3 | Supply nominal frequency, Hz | 400 |
| 2.4 | Supply rated frequency deviation, Hz | ± 10 |
| 2.5 | THD, % | < 5 |
| 2.6 | Power factor | > 0,9 |
| 2.7 | Inrush current | no, soft start |
| 3. | Miscellaneous: | |
| 3.1 | Overall dimensions (stationary), W x H x D, mm | 660 х 625 х 660 |
| 3.2 | Weight, kg | ≤ 200 |
| 3.3 | Ingress protection | IP55 |
| 3.4 | Maximum ambient temperature, ºС | plus 45 |
| 3.5 | Minimal ambient temperature, ºС | minus 10 (minus 40 optionally) |
| 3.6 | MTBF | 100 000 hours |
| 3.7 | MTTR | max 20 minutes |