ABB’s UNITROL 1020 is a powerful and compact automatic voltage regulator designed for small and medium-sized synchronous generators and industrial equipment. Part of the UNITROL 1000 series, the UNITROL 1020 combines advanced microprocessor technology and IGBT semiconductors to deliver current outputs up to 20 amps suitable for continuous operation. With built-in dual-channel support, the regulator can be used for advanced load distribution, rotating diode monitoring, automatic synchronization, and a variety of integrated communication options in parallel running units.

The UNITROL 1020 maintains high performance in a wide range of temperature and vibration conditions and is fully compliant with DNV and UL standards. Compared to the previous version, UNITROL 1020 adds Ethernet and USB connectivity, data and event loggers, and many other new features. ABB UNITROL 1020 provides advanced control and monitoring functions to ensure the reliability and stability of the generator set.

UNITROL1000

UNITROL 1020’s upgrade benefits include long-term component availability, minimal downtime and commissioning times, and long-term availability of engineering and support capabilities, including 24/7 phone support. It is used in a wide range of applications, including diesel – or gas-based land-based power plants, Marine electric propulsion and auxiliary power sources, diesel-electric locomotives, port cranes and mining heavy vehicles.

Key features of ABB UNITROL 1020 also include its compact and robust design for excitation currents up to 20A, plug-in terminal blocks for digital and analog I/O, and industrial USB, Ethernet, CAN and RS485 ports. In addition, the UNITROL 1020 is equipped with a human-machine interface (HMI) and is a certified AVR that complies with German grid specifications, including proven simulation models.

The launch of the UNITROL 1020 further strengthens ABB’s leadership position in high-end excitation systems, providing high reliability and high return on investment solutions for power generation companies of all sizes and types. With the continuous advancement of technology and the increasing demand for applications, the UNITROL 1020 is expected to play a more important role in the field of power systems in the future.