ABB has introduced the UNITROL 1020-FULL automatic voltage regulator (AVR), order number 3BHE030579R0106, the latest addition to the UNITROL 1000 product family. Designed for small and medium synchronous generators and industrial machines, the regulator delivers precise voltage control with excitation current up to 20 A DC ABB GroupABB Group.
The UNITROL 1020 combines high-performance control and power circuits in a compact mechanical design, supporting generators and motors with exciters up to 50 MW output. Its architecture separates communication and control functions across dedicated processors for the highest operating reliability ABB Groupeero.
Key Features
- Full regulation suite — AVR, FCR, PF, VAR control modes with limiters
- 20 A excitation capability — nominal excitation current up to 20 A DC with peak capability
- Advanced connectivity — Modbus TCP communication and reactive load sharing via RS485
- Automatic synchronization — integrated synchronization functionality
- Rotating diode monitoring (RDM) — condition monitoring for brushless excitation systems
- High EMC immunity — robust operation in demanding electrical environments
- Flexible power supply — supports shunt, PMG, auxiliary winding, and auxiliary supply feedingabb-drive AutomationeeroShenzhen Changxin
Target Applications
- Voltage regulation for small and medium synchronous generators
- Excitation control for industrial synchronous motors
- Hydropower, co-generation, and marine applications
- New installations and retrofits of brushless excitation systems
The UNITROL 1020 (3BHE030579R0106) is available as a brand-new or refurbished unit with warranty support. For pricing, lead time, or configuration assistance, contact our sales team directly.
