ABB 3BHE039724R1932 Excitation Control Board

Product Description

The 3BHE039724R1932 is a high-performance excitation control board for ABB UNITROL series generator excitation systems. It undertakes excitation regulation, voltage closed-loop control, reactive power adjustment and excitation limit protection functions. It communicates with other units in the excitation cabinet, executes control algorithms, and stabilizes the output voltage of synchronous generators for power plants.

Features

• Part No: 3BHE039724R1932, Brand: ABB
• Type: Generator excitation controller board
• System: UNITROL excitation system for synchronous generators
• Core function: Automatic voltage regulation (AVR), excitation control and limiting protection
• Support redundant configuration for uninterrupted power generation
• High-speed sampling of generator voltage and current signals
• Built-in multiple protection functions: over-excitation, under-excitation, V/Hz limit
• Onboard self-diagnosis, fault recording and alarm output
• Conformal coating, suitable for power plant cabinet environments
• CE certified, compliant with power industry excitation standards

Applications

• Thermal power plant generator excitation control cabinets
• Hydropower synchronous generator excitation systems
• Captive power plant and industrial generator sets
• Grid-connected generator voltage & reactive power regulation

FAQ

• Q: What system does 3BHE039724R1932 belong to?
  A: It is designed for ABB UNITROL generator excitation control system.
• Q: Does it support redundant operation?
  A: Yes, it can be configured as hot standby redundancy to avoid excitation system failure.
• Q: What is its main job?
  A: Automatic voltage regulation, excitation limit and protection for synchronous generators.
• Q: Can it be used for motor drive control?
  A: No, it is dedicated to generator excitation, not for variable frequency drive.