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The S400-A integrates a solid-state ground power unit and a 25-meter cable coiling device into an all-in-one system, suitable for boarding bridge installations.
Leveraging advanced technologies such as low-voltage ride-through (LVRT), space vector pulse width modulation (SVPWM), voltage decoupling control, and dynamic voltage compensation, the system ensures stable voltage output and low distortion. It continues to deliver reliable power under unbalanced load conditions and effectively protects connected equipment.
Modular, smart, and safe
Flexible Installation & Easy Maintenance
Compact, modular architecture enables flexible deployment and simplifies maintenance and operations.
Comprehensive Protection
Includes over/under voltage, overcurrent, and frequency protections to ensure safe and reliable operation.
Cloud-Based Management
Connected to a cloud platform for digital monitoring, full-process diagnostics, and precise fault detection, enhancing overall operational efficiency.
| AC Input | |
| Rated voltage range | 380VAC |
| Rated frequency range | 50/60Hz |
| Connection mode | 3P+N+PE |
| Power factor | ≥0.99 |
| Surge current | No |
| 400Hz Output | |
| Rated capacity | 90kVA |
| Rated frequency range | 400Hz |
| Power factor | 0.7~1 |
| DC component | ±0.1V |
| Voltage THD | <2% |
| Crest factor | 1.414±3% |
| Phase voltage unbalance | < 1% |
| Steady-state frequency | 400Hz |
| Voltage modulation amplitude | < 1% |
| Phase shift | 120°±0.1° |
| Overload | |
| 110% | Lasts 60 min |
| 125% | Lasts 10 min |
| 150% | Lasts 60s |
| 200% | Lasts 30s |
| 300% | Lasts 10s |
| 400% | Lasts 1s |
| Protect | |
| Level of protection | IP55 |
| Uninterrupted power transmission | Available |
| Output over/under voltage protection | Available |
| Overload protection | Available |
| Internal over-temperature protection | Available |
| Output short circuit protection | Available |
| Output N line disconnection protection | Available |
| Output N-line voltage monitoring | Available |
| Leakage current monitoring | Available |
| Input over/under voltage protection | Available |
| Input over/under frequency protection | Available |
| Input overcurrent protection | Available |
| Other | |
| Mean time between failure(MTBF) | >15000 hours |
| Mean time to repair MTTR | <20 minutes |
| Environment | |
| Operating temperature | -20℃~65℃ |
| Relative humidity | 0～100%(no condensation) |
| Noise level | <70dB |
| Structure | |
| Dimensions (L*W*H) | 1580*1050*800mm |
| Weight | 775kg |
| Efficiency | |
| Operational efficiency | ≥91% |
