Description
Our Ground Power Unit 90 kVA delivers robust and reliable 400 Hz power, essential for keeping your aircraft’s critical systems online. From the flight deck to the cabin, it seamlessly energizes avionics, lighting, and climate control, and supports vital hydraulic checks. Engineered for efficiency, this unit allows for comprehensive pre-flight preparations and maintenance without engaging the aircraft’s engines or APU, ensuring reduced fuel consumption and lower emissions while parked at the gate or in the hangar.
Features & Benefits
- No-break power transfer
- Over/under voltage protection (input/output)
- Over/under frequency protection
- Overload protection
- Overheating protection
- Short-circuit protection
- Neutral verification
- Asymmetric load verification
- Lockable doors with interlock functionality
- Tropical package for high humidity environments (10-100%)
| Output Parameters | ||
|---|---|---|
| Rated output power (at PF=1) | 90 kVA | |
| Qty of output | 1 | |
| Rated output voltage line/phase | 3 x 115/200 V | |
| Output voltage adjustment range | 15% | |
| Output voltage frequency | 400 Hz | |
| Frequency stabilization accuracy | ± 0.001 Hz | |
| Output voltage regulation accuracy | ||
| – for balanced load | ± 0.5% | |
| – for 40% unbalanced load | ± 0.5% | |
| Total harmonic content THDU | ||
| – line-to-line (neutral) for linear load | ≤ 2% | |
| – line-to-line (neutral) for non-linear load | ≤ 2% | |
| Maximum single harmonic distortion | ||
| – linear load | ≤ 1.5 | |
| – non-linear load | ≤ 2 | |
| Voltage modulation | ≤ 0.5% | |
| Phase symmetry, electrical degree | ||
| – for balanced load | 120 ± 1% | |
| – for 30% unbalanced load | 120 ± 2% | |
| Power factor | From 0.8 to 0.95 leading | |
| Range of load change | 0 – 100% | |
| Voltage setting time at 100 % load connection at output voltage deviation not more than 8% | ≤ 2 ms | |
| Crest factor | 1.414 ± 0.04 | |
| Permissible overload, % | ||
| – within 600 s | 125 | |
| – within 60 s | 150 | |
| – within 30 s | 200 | |
| – within 10 s | 300 | |
| – within 2 s | 400 | |
| Input Parameters | ||
|---|---|---|
| Supply main rated voltage | 3×400 V, PE | |
|
Supply main voltage permitted deviation |
± 15% or according to customer’s spec |
|
| Supply nominal frequency | 50/60 Hz | |
| Supply main rated frequency | ± 8 Hz | |
| Overall Efficiency at 30-100 % load | ≥ 0.95 | |
| Power factor | > 0.97 | |
| Line Current Distortion at nominal load THDI | ≤ 5% | |
| Power interruption | Up to 50 ms | |
| Miscellaneous | ||
|---|---|---|
| Ingress protection (converter module) | IP55 | |
|
Maximum / Minimal ambient temperature |
plus 50ºС / minus 50ºС |
|
| Audible noise |
55dB at 1 meter |
|
| Relative humidity | 0 to 100% | |
| Operational useful life | Minimum 25 years | |
| Mean Time To Repair (MTTR) | Maximum 20 minutes | |
| Performance | Mobile | |
| Control panel/Display | TFT with touchpad | |
| Cable IN | 15 m | |
| Cable OUT | 10 m | |
