ABB XVC770BE101 3BHE021083R0101 Excitation System Interface Board
ABB XVC770BE101 3BHE021083R0101 is a high-performance interface board for ABB UNITROL generator excitation systems. It realizes high-speed signal conversion and data exchange between the main excitation controller and power semiconductor power units.
This board features galvanic isolation circuits and conformal coating for anti-dust and anti-humidity. It adopts plug-in rack installation design, widely used for generator excitation cabinet maintenance, spare parts replacement and excitation system upgrading projects.
Data Parameters
1. Brand: ABB.
2. Model: XVC770BE101, Part No:3BHE021083R0101.
3. Product Type: Generator Excitation System Interface Board.
4. Product Series: UNITROL excitation system accessory board.
5. Main Function: Trigger signal transmission and power unit status feedback.
6. Isolation: High voltage galvanic isolation between control side and power side.
7. Backplane Bus: High-speed parallel backplane bus communication.
8. Power Supply: 24VDC internal rack power supply.
9. Operating Temperature: -20℃ ~ +70℃.
10. Installation: Plug-in rack mounting inside UNITROL excitation cabinet.
Core Functions
1. Receive trigger pulse signals from the main control board and distribute them to IGCT or thyristor power units.
2. Collect real-time operating status and fault signals from excitation power units and feed back to the main controller.
3. Provide electrical isolation to protect the main control board from high voltage surge and power circuit interference.
4. Execute signal filtering and noise suppression to guarantee stable pulse transmission in power plant harsh electromagnetic environment.
5. Communicate with other boards in the rack via backplane bus to complete synchronized excitation control logic.
Application Scenarios
1. Thermal power plant UNITROL excitation cabinet XVC770BE101 interface board replacement and maintenance.
2. Hydropower station synchronous generator excitation control system hardware retrofit project.
3. Combined cycle power plant generator excitation cabinet spare parts renewal.
4. Petrochemical and metallurgy private power station excitation system spare parts inventory backup.
5. Legacy ABB UNITROL excitation system overhaul and aging trigger interface board replacement project.
FAQ
1. Q: What is ABB XVC770BE101 3BHE021083R0101?
A: It is an interface board used in ABB UNITROL generator excitation system for trigger signal distribution and power unit status feedback.2. Q: What is the core value of XVC770BE101?
A: It builds an isolated signal bridge between excitation main controller and high-power thyristor/IGCT power units.3. Q: What environment is this board suitable for?
A: It is designed for indoor excitation cabinets of power plants, with conformal coating to resist dust, humidity and electromagnetic interference.
