Product Details:

ABB 3BHE055094R0002 is the GBU72 grid breaker unit control board designed for ABB PCS6000 medium voltage wind power converter system. It collects grid voltage, current signals and breaker contact position feedback signals, and performs safety interlock control for breaker close, open and earthing operations. This board prevents incorrect switching sequences and protects the medium voltage power circuit from short circuit hazards. It communicates with the AC 800PEC main controller via internal rack bus, transmitting breaker status, fault events and diagnostic information to the main control system.

The board uses multi-layer industrial PCB with complete EMC shielding design. Surge suppression and signal isolation circuits are integrated to resist strong electromagnetic interference inside the converter cabinet, maintaining reliable signal sampling in long-term wind farm operation. It is mounted on the standard cabinet backplane and can be quickly removed and replaced during troubleshooting and routine maintenance. Protection thresholds and interlock logic can be configured with PCS6000 engineering software to meet different grid code requirements. Built-in self-diagnosis function detects signal loss, power failure and internal circuit faults, and activates safe lockout and alarm when abnormalities are found.

Every spare board will pass signal sampling test, interlock logic test and rack compatibility verification before shipment to guarantee stable matching with original PCS6000 converter hardware. It is widely stocked as replacement spare parts for medium voltage wind converter grid breaker control.

Industry Applications: Applied in petrochemical auxiliary skids, gas flow control systems, boiler closed-loop control rooms and water treatment facilities for conventional analog signal acquisition and valve regulating output.

Note: Confirm SAM combined I/O feature and hardware revision before ordering