UNITROL® 8000 for applications up to 2,000A

Excitation system up to 100 MW and 2,000 A 

Simplicity, cyber security, connectivity and safety at the core

Simple to commission, operate and maintain, it optimizes performance through intuitive controls and digital twin technology.

 

Building on 100+ years of excitation technology and experience in power generation and energy industries, ABB is introducing the latest addition to its UNITROL® flagship series of excitation systems.Packed with new capabilities and enabling a stepwise evolution to fit different upgradescenarios, UNITROL 8000 is designed to be intuitive, cyber secure, intelligent, and grid-code compliant.

Why Choose UNITROL® 8000

UNITROL® 8000 combines over a century of ABB excitation expertise with modern digital innovation. Including advanced features that simplify operation, commissioning, and maintenance.

Reliable and Safe Technology

Reliable and Safe Technology Proven ABB design with MTBF > 35 years.

Cybersecure

Always Cybersecure OPC UA backbone, IEC 62443 compliance, continuous updates.

Compliance

Effortless Compliance Simplified regulatory alignment with IEC standards.

Digital twin

Real-Time Intelligence Digital twin technology for predictive monitoring and faster troubleshooting.

Sustainable Evolution

Sustainable Evolution Backward-compatible, cost-effective upgrades that reduce reinvestment.

Support

Expert Lifetime Support 24/7 access to ABB specialists, training, and Excitation Care

Industries and applications

  • Power Generation
  • Industrial & Manufacturing
  • Utilities & Grid Operators
  • Renewables & Distributed Energy
  • Excitation Control for Synchronous Machines
  • Grid Stabilization & Power Quality
  • Industrial Process Reliability
  • Energy Efficiency & Performance Optimization
  • Retrofit & Modernization

Technical excellence with UNITROL® 8000

UNITROL® 8000 integrates advanced hardware, software, and testing methodologies to ensure safe, reliable, and future-ready excitation performance.

FPGA based core

Handles protection, measurement, and gate control with deterministic speed.

Hardware in the loop (HiL) tested

Automated pipelines ensure stability and error-free releases.

Continuous cybersecurity updates

Always aligned with IEC 62443 and the EU Cyber Resilience Act.

HALT & HASS testing

Validated under extreme conditions for maximum durability.

Modular design

Compact footprint, flexible AC/DC cabinet configurations, and seamless upgrades.

Universal connectivity & control system integration

Fully aligned with IEC 61439-1 and IEC 62477-1 standards, including arc-flash monitoring and redundant safety paths.

UNITROL® 8000 Controllers

Controller family ABB-built modules from 20 to 2000 A optimized for excitation. Proven, scalable, and footprint compatible. Ensuring reliability and easy redundance Select the model that matches your excitation current needs.

 

  • H1: < 140A
  • H2: < 260A
  • H3: < 520A
  • H4: < 600A
  • H5: < 1000A
  • H6: < 2000A

UNITROL® 8000 SYSTEMS

UNITROL® 8000 comes to you with native cyber security, digital capabilities, thorough testing and smooth integration. Simplifying operation, commissioning, and maintenance.

 

Intelligent real-time Control and Maintenance


During the commissioning phase, a dedicated software provides fast and easy access to settings, one-click diagnostics, and versatile monitoring for smooth commissioning, maintenance, and troubleshooting. With its simple Functional Block Programming and a comprehensive digital twin, CMT supports pre-tuning, testing, and site-specific customization.

 

Power, Safety, and Flexibility in one System


When operational, the embedded touchscreen HMI provides a fast, intuitive overview of system status, fault alerts, and parameter adjustments for smooth and efficient daily operations.

Lifecycle service and support

ABB global network of UNITROL® experts ensures your excitation system performs optimally from installation through modernization and upgrades

ABB engineers deliver safe, efficient, multilingual installation and commissioning worldwide.

ABB University offers both standard and customized training programs, available online or on site.

Structured maintenance plans and proactive upgrade strategies to extend asset life.

Global 24/7 hotline and remote services for fast troubleshooting and minimized downtime.

Customizable service packages for proactive maintenance and digital 

support.

Lower maintenance costs, increased reliability, simplified service delivery, and long term knowledge transfer.