ABB UNS2980C-Z VAR4 | HIEE205019R4 Excitation System Module

ABB UNS2980C-Z VAR4 | HIEE205019R4 Excitation System Module
Full material number: HIEE205019R0004 (abbreviated as HIEE205019R4); Board card model: UNS2980C-Z, version: VAR4 (V4)
Ownership: UNITROL excitation system, excitation control unit ECU board card, used for synchronous generator excitation regulation, spare parts for power plant generating units.
Basic Information
Brand: ABB
Board model: UNS2980C-Z VAR4 (UNS2980C-Z.V4)
Ordering material number: HIEE205019R0004 (industry abbreviation: HIEE205019R4)
Function: Excitation control unit ECU, performing AVR automatic voltage regulation, excitation current control, fault diagnosis, and data interaction with the main controller
Application scenarios: Core control board of synchronous generator UNITROL excitation control cabinet in thermal power plants, hydropower plants, and gas-fired power plants
Origin: Sweden

Key technical parameters
Table
Project Parameters
Power Supply DC 24V
Power Consumption Approximately 7W
Operating Temperature -20℃ ~ +70℃
Functions Excitation current closed-loop control, excitation regulation algorithm, status monitoring, fault self-diagnosis, and main control communication interaction
Version VAR4 (V4 hardware revision)
Purpose Core CPU control board of the old series UNITROL excitation system