ABB UCD240A101 3BHE022287R0101 CCM6080 Excitation Control Board
ABB UCD240A101 3BHE022287R0101, also known as CCM6080, is a core excitation control board designed for ABB UNITROL 6000 generator excitation system and ACS6000 medium voltage drive system. It undertakes automatic voltage regulation, signal acquisition and thyristor firing angle calculation for generator excitation control.
This board collects CT and PT secondary signals, integrates digital input and output channels, and supports fiber-optic pulse output for gate drive units. It adopts conformal coating for protection and plug-in rack installation, widely used for power plant excitation cabinet maintenance, upgrade and spare parts backup projects.
Data Parameters
1. Brand: ABB.
2. Model: UCD240A101 3BHE022287R0101.
3. Product Type: CCM6080 Excitation Control Board.
4. Applicable System: UNITROL 6000 Excitation System and ACS6000 Medium Voltage Drive.
5. Signal Input: CT 1A/5A current and PT 100V voltage secondary signals.
6. Control Algorithm: AVR, PSS, over-excitation and under-excitation limiting control.
7. Signal Output: Fiber optic pulse signal for thyristor gate drive control.
8. I/O Channel: Built-in digital DI/DO channels for interlock and alarm relay output.
9. Operating Temperature: -20℃ ~ +70℃.
10. Protection: Conformal coating for anti-dust and anti-moisture performance.
Core Functions
1. Collect voltage and current feedback signals from generator and perform automatic voltage regulation calculation.
2. Execute PSS power system stabilization and multiple limit protection functions for generator excitation control.
3. Calculate thyristor firing angle and send trigger pulses through optical fiber to power converter units.
4. Receive breaker status and local/remote control commands via digital input channels.
5. Output fault and running alarm signals through relay digital output for system monitoring.
Application Scenarios
1. Thermal power plant and combined cycle power plant UNITROL6000 excitation cabinet control board replacement and maintenance.
2. Hydropower station generator excitation control system hardware retrofit and upgrade project.
3. Petrochemical and mining self-generation power plant excitation control spare parts renewal.
4. Industrial medium voltage ACS6000 drive system control cabinet hardware renovation.
5. Legacy ABB UNITROL series excitation system overhaul and aging control board replacement project.
FAQ
1. Q: What is ABB UCD240A101 3BHE022287R0101?
A: It is CCM6080 excitation control board for ABB UNITROL6000 generator excitation system and ACS6000 medium voltage drive.2. Q: What core control function does UCD240A101 provide?
A: It completes AVR automatic voltage regulation, PSS and excitation limit protection, and generates thyristor optical trigger pulses.3. Q: What kind of signal can this board collect?
A: It supports CT 1A/5A current and PT 100V voltage secondary signals from generator instrument transformers.
