KEHUA BCS 3450K-B-HUD/T Energy Storage System

The KEHUA BCS3450K-B-HUD/T containerized energy storage system is an integrated PCS solution with a transformer designed for grid and island operation. The system offers a high output power of 3450 kW, supports parallel operation of multiple units, and features enabling black start and adaptation to unstable grids.

Manufacturer: KEHUA. The device is part of the BCS2500K~3450K-B-HUD/T series, designed as an integration of the power converter and transformer system with intelligent management, transformer status monitoring, and advanced communication functions.

Key Electrical Parameters

• Rated AC output power: 3450 kW
• Maximum AC output power: 3795 kVA
• Rated grid voltage: 690 Vac (3P3W+PE)
• Maximum output current: 3176 A
• Maximum DC voltage: 1500 Vdc
• DC voltage range: 1000–1500 Vdc
• Maximum DC current: 3872 A
• THDi / THDu: <3% (at rated power, THDu <3% at linear load)
• Adjustable power factor: from 1 (leading) to 1 (lagging)
• Max. PCS efficiency: 99%
• Transformer efficiency / transformer rated power: 3450 kVA; voltage transformation ratio 0.69/(6-35) kV
• Network functions: parallel connection of multiple machines, black start, H/LVRT, auxiliary grid connection, frequency modulation

Mechanical and Environmental Parameters

• Dimensions (WxHxD): 6058 × 2896 × 2438 mm
• Weight: 13000 kg
• Protection degree: IP54
• Operating temperature: -35°C to 60°C (above 45°C reduction of rated values)
• Relative humidity: 0–100% (without condensation)
• Cooling type: intelligent air cooling
• Operating altitude (above sea level): up to 4000 m (above 2000 m reduction of rated values)
• Display: touch screen (optional)
• Other mechanical features: integrated design of the converter and transformer for turnkey delivery

Communication and compliance: Modbus-RTU, Modbus-TCP, IEC61850, IEC104; RS485 and Ethernet interfaces. Compliance with IEC/EN 62477-1, EN IEC 61000-6-2/4, EN 50549-2, NC RfG, IEC 62116, IEC 61727 standards.