Overview
UNITROL 1000 is ABB’s compact and reliable automatic voltage regulator (AVR) series designed to keep synchronous generators and motors stable, efficient and protected. It delivers fast and accurate voltage control for machines from 100 kVA to 80 MVA, ensuring consistent performance even during rapid load changes or in harsh environments.
With more than 40,000 installations worldwide, UNITROL® 1000 is trusted across power plants, marine vessels, rail systems and critical backup power applications. It integrates easily with automation and electrical systems and works seamlessly with ABB digital tools for monitoring and optimization.
KEY BENEFITS of unitrol 1000
Reliable voltage control made simple, scalable and easy to integrate.
Stable and accurate voltage regulation
Maintains generator and motor voltage with fast response to load changes for consistent, high-quality power.Easy to commission and operate
The CMT1000 software provides guided setup, auto-tuning, and built-in recording tools that simplify commissioning and reduce human error.Grid-code compliant by design
Supports global grid requirements by design and includes PSS tuning assistant capabilities and certified simulation models.Designed for reliability in tough environments
Robust mechanical design, comprehensive protection features and ABB quality ensure safe, dependable operation.Fits a wide range of generator sizes and applications
Covers 100 kVA to 80 MVA across three AVR models.Pre-engineered systems
UNITROL® Compact and FLEX plus systems minimize system engineering and project delivery times.FREQUENTLY ASKED QUESTIONS
UNITROL 1000 can regulate synchronous machines from 100 kVA to 80 MVA, making it suitable for small industrial units up to medium-sized power plants.
Yes. UNITROL 1000 supports global grid-code requirements and includes tuning assistants for AVR, PSS and stability functions to help meet certification standards.
UNITROL® 1000 has been the first AVR in the world to achieve the German Grid Code VDE-AR-N 4110 and VDE-AR-N 4120 by TUV in 2019 and the DNV Cyber security (Essential) Type approval (IACS UR E27) for cyber security in 2024.
UNITROL 1000 is used across many sectors including power generation, marine propulsion, rail traction, industrial plants and emergency power systems.
Yes. It supports reactive load sharing and paralleling of multiple generators for stable operation in complex or multi-unit setups.
Three AVR models are available: UNITROL 1005, 1010 and 1020. Pre-engineered COMPACT and FLEXplus systems are also available for fast installation.
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