Products Description
ABB GFD563A101 3BHE046836R0101 Excitation Control Board in stock
ABB GFD563A101, part number 3BHE046836R0101, is a high-performance control board for ABB UNITROL series generator static excitation systems. It handles real-time signal sampling, excitation regulation and logic protection for large synchronous generators.
This board supports high-speed control loops and multiple communication interfaces, integrating voltage regulation and limit protection functions. It is widely used in power plant excitation cabinets and serves as a critical spare part for generator excitation system maintenance.
Main Specifications
| No. | Item | Parameter |
|---|---|---|
| 1 | Brand | ABB |
| 2 | Model | GFD563A101, Part No:3BHE046836R0101 |
| 3 | Module Type | Excitation Control PCB Board |
| 4 | Application System | UNITROL Series Static Excitation System |
| 5 | Core Function | AVR closed-loop regulation, excitation limit and protection logic |
| 6 | Communication | Ethernet, PROFIBUS for DCS/HMI connection |
| 7 | Mounting | Rack mounted inside generator excitation cabinet |
| 8 | Control Cycle | High-speed real-time control cycle |
Core Functions
| No. | Function Description |
|---|---|
| 1 | Collect generator voltage and current signals to realize automatic voltage closed-loop regulation |
| 2 | Execute multi-limit protection: over-excitation, under-excitation and stator current limitation |
| 3 | Output control pulses to power unit and receive fault feedback from gate drive boards |
| 4 | On-board self-diagnosis for circuit faults, alarm recording and event log storage |
| 5 | Communicate with plant DCS and HMI for remote parameter setting and real-time monitoring |
Application Scenarios
| No. | Application |
|---|---|
| 1 | Thermal power plant steam turbine generator UNITROL excitation cabinet |
| 2 | Combined cycle gas turbine generator excitation control system |
| 3 | Hydropower station large synchronous generator voltage regulation system |
| 4 | Power plant excitation cabinet overhaul, spare board replacement and emergency maintenance |
| 5 | Power generation plant spare parts inventory for UNITROL excitation system |
FAQ
| No. | Question & Answer |
|---|---|
| 1 | Q:What is ABB GFD563A101 3BHE046836R0101? A:It is excitation control board for ABB UNITROL static excitation system, used for generator AVR regulation and excitation protection logic. |
| 2 | Q:What communication interfaces does it support? A:It supports Ethernet and PROFIBUS protocols to connect with DCS and HMI for remote monitoring and parameter configuration. |
| 3 | Q:What is its main job? A:Stabilize generator output voltage under varying load conditions and trigger protective interlocks when abnormal excitation occurs. |
