Description
The ABB UNC4672A V1 is a high-performance control board designed for the UNITROL series of excitation systems. This module acts as a core processing unit for static excitation and automatic voltage regulation (AVR), ensuring precise field current control and generator stability in large-scale power applications.
Product Parameters
- Part Number: HIEE205012R1
- Model Code: UNC4672A V1
- Serial Ref: HI220957-31239
- System Series: UNITROL 5000 / 6000
- Input Voltage: 24V DC Internal Bus
- Processor Type: High-speed Digital Signal Processor (DSP)
Product Specifications
- Function: Automatic Voltage Regulation and Pulse Generation
- Communication: High-speed fiber optic and ARCnet interfaces
- Architecture: Multi-layered PCB with electromagnetic interference (EMI) shielding
- Redundancy: Supports hot-standby redundant control configurations
- Diagnostics: Integrated real-time monitoring and fault logging
Application Areas
- Synchronous generator excitation systems
- Hydroelectric and thermal power plant control
- Industrial gas turbine voltage regulation
- Heavy-duty synchronous motor starters
- Nuclear power plant backup power systems
Product Q&A
Q: What is the primary function of the UNC4672A V1 board? A: It calculates the required firing angles for the power converter to maintain a constant generator terminal voltage.
Q: Is this board compatible with the UNITROL 6000 series? A: Yes, it is a standard control component used within the UNITROL 5000 and 6000 excitation system architectures.
Q: Does it require specific firmware to operate? A: Yes, the board must be loaded with application-specific firmware corresponding to the generator’s nameplate parameters.
