ABB UAD155A0111 3BHE029110R0111 Signal Interface Board Module AC 800PEC. ABB UAD155A0111 3BHE029110R0111 Controller Board: AC 800PEC Combi IO Box.Country of Origin:China (CN),Thailand (TH).Weight:3kg.
Functional Features
High-speed data transmission: It utilizes advanced interface technologies (such as PCIe, NVMe, etc.) and parallel channels to achieve high-speed data transmission.
DMA technology: It supports the Direct Memory Access (DMA) technology, which allows devices to transfer data directly between RAMs without the involvement of the CPU. This improves the data transmission efficiency and reduces the CPU load.
Data caching: It is designed with a data caching function to temporarily store incoming or outgoing data, thereby improving the response time of data transmission and the overall performance.
Integration & Compatibility
Works within the AC 800PEC controller framework.
Interfaces with ABB’s MACH™ or SYS600 excitation systems.
Communicates via IEC 61850, Modbus, or Profibus
Role in Excitation Control System
This module is typically part of a brushless or static excitation system, responsible for:
Automatic Voltage Regulation (AVR) – Maintains generator terminal voltage.
Field Current Control – Adjusts rotor current for stable power output.
Power System Stabilizer (PSS) – Damps oscillations in the grid.
Protection Functions – Over-excitation, under-excitation, and field short-circuit protection.
Application scenarios:
Power plants: Used for the precise control of the generator excitation system.
Substations: Monitoring and protection of power distribution equipment.
Industrial process control: Real-time monitoring of complex process parameters.
Smart grids: Detection and control of the status of the power system.
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