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GBU72 3BHE055094R0003 Other Names:
PCS 6000 System Full Power Converter GBU72 3BHE055094R0003
GBU72 3BHE055094R0003 PCS 6000 System Medium Voltage Wind Turbine Converter
PCS 6000 System Medium Voltage Converter GBU72 3BHE055094R0003
ABB’s core grid circuit breaker unit GBU72 3BHE055094R0003 is designed specifically for large wind turbines, featuring a low component count, high availability, and minimized losses. The higher voltage rating of medium-voltage converters means lower currents in the power transmission system, making them easier to integrate into wind turbines. These converters can be designed for nacelle or tower installation, and their modular design allows for easy customization to meet customer needs. They also feature fault ride-through and grid compliance capabilities.
System Affiliation: The GBU72 3BHE055094R0003 is a core component of ABB’s PCS6000 medium-voltage power conversion system. As a grid breaker unit (GBU), it performs grid connection, power control, and system protection functions.
Core Functions:
Grid Control: Implements grid-side circuit breaker closing/opening, grid synchronization, power distribution, and fault isolation, ensuring safe system startup and shutdown, and continuous operation.
Circuit On/Off Control: Enables intelligent connection/disconnection between the grid and the drive system, supporting grid synchronization and power distribution.
Protection Mechanisms: Integrated overload, short-circuit, undervoltage, and overvoltage protection functions. Rapid shutdown (response time <1μs) and arc extinguishing technology limit short-circuit current peaks, improving grid stability.
Communication Coordination: Supports fiber optic, PROFIBUS DP, Modbus RTU, and other interfaces, enabling efficient communication with host controllers (such as the AC 800PEC), HMIs, and remote I/O modules.
Multiple Protection Mechanisms: Integrated overload, short-circuit, undervoltage, and overvoltage protection with a response time <1μs. Advanced arc extinguishing technology limits short-circuit current peaks, improving system stability.
Arc Extinguishment: Advanced arc extinguishing technology limits short-circuit current peaks, improving system stability.
Communication Interface: Communicates with a host controller (such as the AC 800PEC) via fiber optic cable and supports MODBUS or custom protocols, enabling remote monitoring and parameter configuration.
Expandability: By adding I/O modules (such as the GFD563A102) or communication interfaces (such as PROFIBUS DP and Modbus RTU), the system can adapt to project needs of varying sizes and support system upgrades and functional expansion.
Technical Parameters and Specifications
Electrical Performance:
Rated average rectified current 72A, maximum repetitive peak reverse voltage 800V, peak pulse current (8.3ms half-wave) 1300A.
Operating temperature range -40°C to +125°C, junction-to-case thermal resistance 0.45°C/W, insulation resistance ≥100MΩ (500VDC).
Supply voltage 24VDC ±15%, power consumption ≤12W, IP20 protection rating, and support for DIN rail or bolt-on mounting.
Control Features:
Equipped with a high-speed industrial-grade processor, supports IEC 61131-3 programming languages, and is compatible with ABB Control Builder software.
Redundant configuration supports hot switchover between active and standby controllers (switchover time <100ms), ensuring control logic continuity.
Application Scenarios and System Integration
Typical Applications:
Industrial Drives: Control of high-power motors in metallurgical rolling mills, mining machinery, and cement plants, compatible with ACS6000 medium-voltage inverters.
Renewable Energy: Synchronize power conversion with the grid in wind turbine converters and photovoltaic inverters, supporting low-voltage ride-through (LVRT).
Rail Transit: Control of subway traction converters and port cranes, ensuring high-reliability operation.
Infrastructure: Power grid protection systems and data center power management, enabling power outage protection and system interlocking.
System Collaboration:
Commonly works with ABB PM891/PM861 master control modules, IGCT modules (such as 3BHB030310R0001), 3BHE055094R0002 (power modules), and power modules (such as PS907W) to form a complete power conversion and control system.
Installation and Maintenance Key Points
Installation Requirements:
Installation must be performed in a control cabinet environment with a temperature range (-20°C to +70°C) and humidity range (<80% RH non-condensing). Ensure the backplane is compatible and the power module is properly connected.
Before installation, use an anti-static wrist strap to prevent static electricity from damaging the module’s internal components. An aluminum alloy heat sink is recommended to maintain the junction temperature below 100°C.
Maintenance Specifications:
Regularly check the control cabinet’s heat dissipation. Use ABB Control Builder software to monitor module status, log information, and communication status.
When replacing or upgrading a module, power must be disconnected. Current program and configuration parameters must be recorded. Firmware upgrades and system calibration are supported (recommended every two years).
Summary
The GBU72 3BHE055094R0003 , the core grid circuit breaker unit in the ABB PCS6000 system, is a core component in industrial automation and power control. Its high reliability, redundant configuration, and multi-protocol communication capabilities make it an ideal choice for high-power industrial drives, energy management, and critical process control.
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More……
ALLAN –
GBU72 | ABB | PCS6000 system | core grid circuit breaker unit | 3BHE055094R0003 | GBU72
https://www.weikunfadacai1.com/product/gbu72-abb-pcs6000-system-core-grid-circuit-breaker-unit-3bhe055094r0003-gbu72/
The GBU72 is the core grid circuit breaker unit in the ABB PCS6000 system. The 3BHE055094R0002 (not the 3BHE055094R0003) is a typical model of this unit. It provides functions such as circuit on/off control, power distribution, and overload/short-circuit protection. It is widely used in industrial drives, renewable energy, and rail transit. The following is a detailed introduction:
I. Core Functions and Positioning
Grid Circuit Breaker Unit: The GBU72 is the core grid circuit breaker unit in the ABB PCS6000 system. It is responsible for rapidly disconnecting circuits in the event of grid faults or abnormalities, protecting equipment from damage.
Circuit On/Off Control: It is used to control circuits in the grid, ensuring normal power supply and power outages.
Power Distribution: It rationally distributes power to various devices or branch circuits, ensuring efficient transmission and utilization of power.
II. Technical Features
High Reliability: It utilizes advanced power electronics and intelligent control algorithms to ensure stable operation in harsh environments. Multiple protection functions:
Overload protection: Automatically disconnects the circuit when an overload occurs, preventing damage to equipment.
Short-circuit protection: Detects a short-circuit fault and immediately disconnects the circuit, preventing the short-circuit current from causing serious damage to circuit components and the power system.
Undervoltage protection: When the grid voltage falls below the specified value, the protection mechanism activates, disconnecting the circuit and protecting electrical equipment from undervoltage.
Arc extinguishing: Advanced arc extinguishing technology and arc extinguishing chamber design rapidly extinguish arcs generated during circuit switching, effectively limiting the duration and peak value of short-circuit currents and minimizing equipment damage.
Precise control: Provides high-speed on/off pulses, reducing IGCT switching losses and improving converter efficiency.
Interface compatibility: Communicates with a host controller (such as the AC 800PEC) via optical fiber, supporting MODBUS or custom protocols.
III. Application Scenarios
Industrial drives: Integrated into ABB ACS6000 medium-voltage inverters to control high-power motors (such as those in metallurgical and mining equipment). Renewable Energy: Suitable for wind turbine converter systems, ensuring stable IGCT operation under grid fluctuations.
Rail Transit: Used in subway traction converters, achieving smooth acceleration and braking, reducing energy consumption and failure rates.
Other Models: The GBU72 series also includes models such as 3BHE031197R0001 and 3BHB030310R0001, each with specific functional priorities or structural differences, but all serving the overall goal of grid protection and control.