Overview

The ABB UNITROL1020 UNS0119A‑Z,V1 3BHE030579R0207 is a state-of-the-art Automatic Voltage Regulator (AVR) designed for synchronous generators and motors.
It provides precise voltage regulation, reactive power control, and generator protection, ensuring stable operation in power generation and industrial applications.
Moreover, the UNITROL1020 is part of ABB’s proven UNITROL family, offering flexible configuration, advanced communication interfaces, and high reliability.
In addition, its compact modular design makes it easy to integrate into both new installations and retrofit projects.

Technical Data

Typical Applications

The ABB UNITROL1020 AVR is widely applied in power generation and industrial systems where precise voltage regulation is critical:

• Power plants: Ensures stable generator voltage and reactive power control.

• Industrial facilities: Provides reliable motor excitation and protection.

• Renewable energy: Supports wind and hydro power generation with advanced grid integration features.

• Utilities & substations: Enhances grid stability and protects synchronous machines.

FAQ

Q1: What is the primary function of the ABB UNITROL1020 AVR?
A1: It regulates generator voltage, controls reactive power, and protects synchronous machines.

Q2: What communication protocols are supported?
A2: It supports CANopen, Modbus, IEC 61850, and Ethernet for flexible integration.

Q3: Can the UNITROL1020 be used in renewable energy projects?
A3: Yes, it is widely applied in hydro and wind power plants for grid stability.

Q4: How accurate is the voltage regulation?
A4: It provides ±0.5% regulation accuracy for precise control.

Q5: Where is this AVR typically used?
A5: It is applied in power plants, industrial facilities, renewable energy projects, and utility substations.