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　　3BHE043725R0001 Other Names:

　　Current Control Unit 3BHE043725R0001

　　3BHE043725R0001 Full-Power Converter Controller

　　Technical Parameters and Features

　　Power Range: Supports generator power of 4-12MW (some materials mention a maximum of 15MW). Suitable for large wind turbines (such as offshore wind turbines). It adopts a 3.3kV/4.16kV medium voltage design and has an efficiency of approximately 98%.

　　Topology: 3-level, 4-quadrant VSI-NPC topology, fuseless design, integrated du/dt filter, and support for Fault Ride-Through (FRT) and grid-connected guidelines.

　　Cooling System: Liquid-cooled closed-loop design, cooling water inlet temperature up to 45°C (higher temperatures available on request), IP54 protection.

　　Environmental Adaptability: Operating temperature -10°C to +45°C, storage -25°C to +55°C, altitude 0-1000 meters, compliant with CE, DNV-GL, UL, and other international standards.

　　Power and Efficiency: The PCS6000 converter supports generators up to 15MW in power, utilizes a 3-level NPC topology, and boasts a rated conversion efficiency of approximately 98%. It also features four-quadrant operation (active/reactive power regulation), meeting the grid's bidirectional energy flow requirements.

　　Electrical Characteristics: Generator-side voltage range 0-3.4kV, grid-side voltage adaptable to 50/60Hz systems. A du/dt filter suppresses voltage slew rate (<1.5kV/μs), ensuring motor insulation safety.

　　Control and Communication: Integrated industrial bus interfaces such as Profibus DP, Profinet IO, Modbus TCP, and EtherCat support remote monitoring and system integration (such as BMS/EMS), enabling predictive maintenance via the ABB Ability platform.

　　Environmental Adaptability and Reliability

　　Temperature and Protection: Operating temperature range -10°C to +45°C (storage -25°C to +55°C), IP54 protection, vibration and shock resistance (compliant with GB/T 2423), and altitude rating 0-1000m (derating required for higher altitudes).

　　Electromagnetic Compatibility: Meets EN61800-3 (EMC standard for industrial environments), CE, UL, and DNV-GL certified, and features anti-static discharge (GB/T 17626.2), surge protection (GB/T 17626.5), and harmonic control (total harmonic distortion ≤ 3%).

　　Safety and Certification Standards

　　Electrical Safety: Complies with IEC 61400 (Safety of Wind Power Equipment) and GB 4943.1 (Safety of Information Technology Equipment). Dielectric strength testing and leakage current detection comply with GB/T 2423 high-voltage test specifications.

　　Grid Connectivity: Supports high/low voltage ride-through (HVRT/LVRT), a dynamic braking chopper ensures smooth shutdown in the event of a fault, and island mode operation ensures power supply to auxiliary systems. Complies with grid guidelines (such as IEEE 1547 and GB/T 19963). Installation and Maintenance Recommendations

　　DIN Rail Installation: If power modules are involved, they must comply with DIN EN 60715 standards and use 35mm-wide rails, enabling modular, quick installation and replacement. Note the heat dissipation clearance and electromagnetic compatibility.

　　Maintenance Tips: Regularly inspect the cooling system, electrical connections, and arc extinguishing devices to prevent dust accumulation that affects heat dissipation. Remote monitoring tools provide real-time operational status monitoring, reducing on-site maintenance.

　　Installation Specifications: Comply with EN 60204 machinery safety standards. Electrical connections must meet conductor cross-sectional area/PE grounding requirements. Before commissioning, confirm that the mechanical installation complies with standards (such as Directive 89/392/EEC).

　　Remote Diagnostics: Integration with the ABB Ability platform via an Ethernet adapter provides real-time status monitoring, fault warnings, and expert reporting, supporting full lifecycle services (spare parts management and customized maintenance plans).

　　Application Scenarios and Advantages

　　Wind Power: Applicable to large-scale onshore and offshore wind power projects, reducing cable costs, improving power generation efficiency, and lowering the cost of electricity (LCoE).

　　Industrial Scenarios: Expandable to high-power drive applications such as rail transit, metallurgy, and mining, supporting both permanent magnet and induction generator pairing.

　　Application Cases and Scenarios

　　Large Wind Power Projects: Widely used in Germany's Global Tech I wind farm and China's offshore wind power projects, with a cumulative installed capacity exceeding 1,000 MW, it supports both permanent magnet and induction generators, and its modular design adapts to the compact space of towers and nacelles.

　　Industrial Scenarios: Its high efficiency and energy-saving features have been verified in NASA wind tunnel projects (101MW synchronous motor control) and SSAB Oxelosund blast furnace blower retrofits, with a short payback period and low maintenance costs.

　　Special Features: Equipped with high-voltage/low-voltage ride-through (HVRT/LVRT), a dynamic braking chopper, and island mode operation, it complies with grid guidelines such as IEEE 1547 and GB/T 19963, supporting graceful shutdown and rapid restart during grid faults.

　　Maintenance and Reliability

　　Modular Design: Adopts an N+1 redundant architecture with independent power module operation, supporting horizontal, T-type, and face-to-face layouts for easy customized expansion and maintenance. The fuse-free design reduces on-site maintenance requirements.

　　Certifications and Standards: Passes CGC (GB/T 25387-2010), DNV-GL (GL-IV-2:2012), CE, and UL certifications. Complies with IEC 61400 and GB 4943.1 safety standards, meets EN 61800-3 for electromagnetic compatibility, and conforms to GB/T 2423 for vibration and shock resistance.

　　Remote Services: The ABB Ability platform provides real-time status monitoring, fault warnings, and expert reporting. It supports full lifecycle services (spare parts management and customized maintenance plans), minimizing downtime and reducing LCoE (cost per kilowatt-hour).

　　Expanded Applications and Compatibility

　　Multi-Scenario Adaptability: In addition to wind power, the PCS6000 platform is also used in railway power grids, tidal power generation, battery energy storage, and other fields, demonstrating its cross-industry versatility and reliability.

　　Compatible Design: Supports seamless integration with a variety of generators (permanent magnet/induction), power grid systems (50/60Hz), and third-party devices, enabling flexible configuration through standardized interfaces (such as CANopen and Ethernet).

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