Open Access
Table 2
Technical specifications of MV UPS.
| Item | Specification | |||
|---|---|---|---|---|
| Nominal voltage | 4.16 kV ± 10% | |||
| Rating | 10 MW | |||
| Efficiency (full load) | 99.5% | |||
| Autonomy | Up to 15 min | |||
| Displacement power FACTOR | 0.7 lagging to 0.9 leading | |||
| Typical transfer time | ≤1.8 ms (typical) | |||
| UPS footprint | 54 m2 (without storage) | |||
| System DC nominal voltage | 750 V DC (812 ∼ 554 V DC) | |||
| The MV UPS may be equipped with one of three storage devices |
||||
| Energy storage | Volt/Cell | AH | Autonomy | Footprint |
| Super capacitor | – | – | 1 s | 10 m2 |
| Lead-acid | 12 V | 50 | 30 s | 25.6 m2 |
| Lithium-ion | 3.7 V | 60 | 15 min | 42 m2 |
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