Description

UNITROL6080 3ADT218437R0001 ABB Digital Generator Excitation Control Module

Basic Information

• Full Model: UNITROL6080, Part No. 3ADT218437R0001
• Manufacturer: ABB Switzerland
• Product Line: UNITROL 6000 Series Compact Static Excitation System (SES) Digital AVR Core Controller
• Part Definition: 3ADT218437R0001 is the official hardware stock code for the main CPU/regulation motherboard of UNITROL6080 excitation regulator

Technical Specifications

Electrical Parameters

1. Auxiliary Power Supply: 110/220 VAC or 110–240 VDC universal control power
2. Measurement Input: 3-phase generator PT voltage (0–150V AC), CT current (1A/5A secondary)
3. Regulation Accuracy: Steady-state voltage control precision ±0.5% of rated generator terminal voltage
4. Maximum Excitation Output Drive: Matches UNITROL6080 system, max continuous DC field current 1600A, ceiling voltage 850V DC
5. Control Response: High Initial Response (HIR) fast transient voltage recovery, built-in IEEE standard PSS2A/2B power system stabilizer

Communication Interfaces

• Dual Ethernet 10/100Mbps: Modbus TCP, IEC 61850, DNP3 for DCS/SCADA upper monitoring
• Dual RS485: Modbus RTU local serial communication
• Optional expansion: PROFIBUS DP, CANopen fieldbus
• 

Protection & Limiter Functions

Full set of generator excitation closed-loop protection logic integrated on this mainboard:

• Overexcitation OEL, Underexcitation UEL limiter
• V/Hz overflux protection, field overcurrent inverse time protection
• Loss-of-excitation detection, rotating rectifier diode fault monitoring
• Excitation transformer over-temperature, thyristor bridge short-circuit protection
• 6-channel transient waveform recorder + real-time timestamp event logger

Environmental & Mechanical

• Operating Temperature: 0°C ~ +40°C full-load continuous operation; derated range -20°C ~ +70°C
• Storage Temperature: -40°C ~ +85°C
• Protection Class: IP20 control cabinet rack plug-in module
• Certifications: CE, UL, CSA, complies with global grid code requirements and IEC 61508 standards
• Redundancy Support: UNITROL6080 supports single-channel or 1+1 dual redundant controller configuration with automatic fault switching