NR Electric · Natural air · 20-ft container, PCS & MV Skid
3,500 kVA integrated medium-voltage skid pairing 2x PCS modules with an oil-immersed MV transformer and RMU in a compact 20-ft container. The most compact unit in NR Electric's MV Skid lineup, suited for mid-size BESS projects. Covers 6.6-33 kV grid connection with four-quadrant reactive power compensation.
| Rated Power | 3,500 kVA (3,150 / 2,750 / 2,500 / 2,000 kVA optional) |
| MV Operating Voltage Range | 6.6-33 kV +-5% |
| Transformer Vector | Dy11 |
| Transformer Model | Oil type |
| Cooling Method | ONAN (KNAN optional) |
| Type | Ring Main Unit, CCV |
| Rated Voltage | 12/24/36 kV |
| Rated Operating Current | 630A |
| Short Circuit Rating | 20 kA/3s (25 kA/3s optional) |
| DC Input Voltage Range | 1,050-1,500V |
| Max DC Input Current | 1,833A per PCS |
| Nominal Output Power | 1,750 kVA per PCS |
| Max AC Power | 1,900 kVA per PCS |
| LV Nominal Voltage | 690V |
| PCS Efficiency | 98.5% |
| THD | < 3% |
| Power Factor | > 0.99 |
| Dimensions (W x H x D) | 6,058 x 2,896 x 2,438 mm (20 ft) |
| Weight | 19,000 kg |
| IP Rating | IP54 |
| Operating Temperature | -35 to +60 C (derating above 45 C) |
| Max Altitude | 5,000 m (derating above 3,000 m) |
| Ventilation | Natural air cooling (forced air optional) |
| Auxiliary Power | 11.6 kVA (peak) |
| Communication | CAN, RS485, RJ45, Optical fiber |
| Protocols | CAN, Modbus, IEC 60870-103, IEC 61850 |
NR Electric, founded in 1995 and headquartered in Nanjing, China, is a power system solution provider and subsidiary of NARI Group under the State Grid Corporation of China. The company specializes in BESS power conversion systems with millisecond-level response and grid-formi...
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