ABB UAD149A0001 3BHE014135R0001 Excitation Control Module in stock

ABB UAD149A0001 3BHE014135R0001 is a core control module for ABB UNITROL generator excitation system, compatible with AC 800PEC platform. It receives voltage and current signals from PT and CT, runs AVR regulation algorithm and outputs trigger pulses to control the thyristor rectifier bridge.

This industrial-grade excitation controller has powerful anti-interference performance and complete fault diagnosis function. It is widely used in power plant synchronous generator excitation cabinets for unit voltage and reactive power regulation, maintenance and spare replacement.

Data Parameters

• 1. Brand: ABB.

• 2. Model: UAD149A0001 3BHE014135R0001.

• 3. Product Type: Excitation Control Module / AVR Regulator Board.

• 4. Application: UNITROL excitation system, AC800PEC control platform.

• 5. Feature: Automatic voltage regulation, excitation pulse triggering.

• 6. Characteristic: High-speed sampling, built-in hardware fault monitoring.

• 7. Communication: Ethernet / Profibus interface supported.

• 8. Package: Original rack module assembly.

• 9. Mounting: Rack installation inside excitation cabinet.

• 10. Operating Temperature: -20℃ ~ +70℃.

Core Functions

• 1. Collect generator PT/CT voltage and current feedback signals in real time.

• 2. Execute AVR automatic voltage and reactive power control algorithm.

• 3. Generate trigger pulses to adjust thyristor excitation output current.

• 4. Continuous self-diagnosis for overvoltage, overcurrent and communication faults.

• 5. Upload running data and alarm information to plant DCS system.

Application Scenarios

• 1. Thermal power plant, hydropower station synchronous generator excitation cabinet.

• 2. Captive power plant and industrial self-provided power generation unit control.

• 3. ABB UNITROL excitation system renovation, debugging and spare replacement.

• 4. Grid-connected generator set voltage stabilization and reactive power adjustment.

• 5. Power excitation control spare inventory backup for power industry.

FAQ

• 1. Q: What is ABB UAD149A0001 3BHE014135R0001?
      A: It is the core AVR control module specially for ABB UNITROL generator excitation system.

• 2. Q: What is its main control target?
      A: It stabilizes generator terminal voltage and regulates reactive power output.

• 3. Q: Can it communicate with DCS?
      A: Yes, it supports Ethernet and Profibus to transmit operation and alarm data.