Hitachi Energy · Forced air · Central PCS, 1500V
Utility-scale power conversion station supporting up to 1500V DC battery systems, available in three AC voltage variants (690V, 730V, 770V). Rated up to 3,804 kW at 35°C with three independent DC inputs, IP65 enclosure, and forced air cooling, designed for operation in extreme environments including high altitude up to 4,000 m.
| Nominal AC Voltage (V690 / V730 / V770) | 690 / 730 / 770 Vac (all ±15%) |
| Rated AC Power @ 35°C (V690 / V730 / V770) | 3,409 / 3,607 / 3,804 kW |
| Rated AC Power @ 50°C (V690 / V730 / V770) | 3,068 / 3,246 / 3,424 kW |
| Max Output Current @ 35°C (V690 / V730 / V770) | 3,069 / 3,082 / 3,094 A |
| Total Current Demand Distortion (TDD) | < 3% |
| Power Factor | Adjustable |
| Max DC Voltage | 1,500V |
| SoC Voltage Range @ Full Power (V690 / V730 / V770) | 987–1,500 / 1,044–1,500 / 1,102–1,500 Vdc |
| Rated Input Current @ 35°C | 3 x 1,600 A |
| Rated Input Current @ 50°C | 3 x 1,440 A |
| Withstand Current | 3 x 80 kA / 50 ms; 3 x 120 kA / 4 ms |
| Number of Separate DC Inputs | 3 |
| Max / Euro / CEC (V690) | 98.3% / 98.5% / 98.5% |
| Max / Euro / CEC (V730) | 98.3% / 98.6% / 98.6% |
| Max / Euro / CEC (V770) | 98.4% / 98.6% / 98.6% |
| AC Protection & Disconnection | AC circuit breaker |
| DC Protection & Disconnection | DC load break switch |
| DC Overvoltage Protection | SPD (type 2) |
| Ground-Fault Monitoring | Yes |
| Insulation Monitoring | Yes |
| Lightning Protection | Optional (SPD type 1+2) |
| DC Input Fuse Protection | Optional |
| Dimensions (W x D x H) | 5,212 x 2,190 x 2,460 mm |
| Weight | ~7 t |
| Cooling Method | Forced air cooling |
| IP Rating | IP65 |
| Operating Temperature | −20°C to +60°C (derating above 35°C) |
| Max Relative Humidity | 100% |
| Max Altitude | 4,000 m (derating above 1,000 m) |
| Storage Temperature | −40°C to +65°C |
| Storage Humidity | 5–85% |
Hitachi Energy Ltd., established in 2020 as a joint venture between Hitachi and ABB and headquartered in Zurich, Switzerland, is a global power technology company with over 30 years of experience in battery energy storage. The company has delivered more than 10 GW of BESS powe...
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