Products Description
ABB GDB021BE01 HIEE300766R0001 Gate Drive Board
ABB GDB021BE01 HIEE300766R0001 is a gate drive control board used for ABB UNITROL excitation system. It sends gate trigger signals for power thyristors, realizing precise firing angle control of the rectifier bridge in generator excitation equipment.
This board adopts galvanic isolation design and integrates multiple fault detection circuits. It monitors thyristor working status in real time and sends alarm signals for abnormal conditions. Widely used in thermal power, hydropower generator excitation cabinets as spare control components.
Main Specifications
| No. | Item | Parameter |
|---|---|---|
| 1 | Brand | ABB |
| 2 | Model | GDB021BE01, Part No:HIEE300766R0001 |
| 3 | Module Type | Excitation Gate Drive Control Board |
| 4 | Compatible System | UNITROL Series Generator Excitation System |
| 5 | Function Core | Thyristor trigger pulse output and detection |
| 6 | Isolation | Galvanic isolation between control side and power side |
| 7 | Operating Temperature | -20℃ ~ +60℃ |
Core Functions
| No. | Function Description |
|---|---|
| 1 | Generate and output trigger pulses to control the conduction angle of excitation thyristor rectifier |
| 2 | Real-time monitoring of thyristor working state and pulse feedback signal collection |
| 3 | Detect faults such as loss of pulse, thyristor breakdown and open circuit |
| 4 | Electrical isolation to protect low-voltage control circuit from high-voltage power circuit interference |
| 5 | Transmit fault alarm signals to main control board for system interlock protection |
Application Scenarios
| No. | Application |
|---|---|
| 1 | ABB UNITROL generator excitation cabinet thyristor drive control |
| 2 | Thermal power plant, hydropower station synchronous generator excitation control system |
| 3 | Industrial self-contained power plant generator voltage regulation and control cabinet |
| 4 | Heavy industry, mining large generator excitation retrofit project |
| 5 | ABB excitation system spare parts replacement and maintenance |
FAQ
| No. | Question & Answer |
|---|---|
| 1 | Q:What is ABB GDB021BE01 HIEE300766R0001? A:It is gate drive board for ABB UNITROL excitation system, used to output thyristor trigger pulses for generator rectifier. |
| 2 | Q:What is its core task? A:Control thyristor firing angle to adjust DC excitation current of synchronous generator. |
| 3 | Q:Can it be hot replaced? A:It needs to shut down excitation power before replacement for safety, not hot-swappable. |
