ABB UNITROL 1020 Detailed Introduction

ABB UNITROL 1020 is a powerful and compact automatic voltage regulator(AVR)that belongs to the ABB UNITROL 1000 series..It combines advanced microprocessor technology and IGBT semiconductor devices with high performance and high reliability,and can provide precise voltage control to ensure that the power system voltage is within the set range,thereby providing a stable and reliable power supply.

Technical Features

Automatic voltage regulation:Through the PID control algorithm,the generator excitation current is accurately adjusted to stabilize the output voltage.

Parallel operation:Supports multiple generators to operate in parallel to achieve load sharing and power factor adjustment.

Automatic synchronization:Automatically synchronize the generator with the grid to ensure a safe and reliable grid connection process.

Multiple protection functions:It has overcurrent,overvoltage,undervoltage and other protection functions to ensure safe operation of the equipment.

Rich communication interfaces:supports multiple communication protocols,such as Modbus,Ethernet,etc.,which is convenient for communication with the host computer.

Easy to use:provides a friendly user interface for users to set parameters and status monitoring.

Flexible configuration:various parameters can be flexibly configured according to different application requirements.

Strong environmental adaptability:can work with high performance under harsh conditions and different temperature ranges,fully in line with DNV and UL standards.

Application fields

ABB UNITROL 1020 is widely used in the following fields

Power plants:used for excitation control of small and medium-sized generators.

Industry:used for voltage stabilization of industrial power equipment.

Ships:used for voltage regulation of ship power systems.

Technical specifications(partial)

The technical specifications of ABB UNITROL 1020 may include but are not limited to the following(specific parameters may vary depending on product version or application scenario)

Power supply and measurement terminals:maximum continuous current 30A,maximum cable 4mm²(AWG 24-10),reliable connection of tension spring terminals,and easy access to test points.

Excitation output:The measurement terminals include three-phase machine voltage,single-phase network voltage,and single-phase machine current.

Analog I/O:2 outputs/3 inputs(configurable),+10V/-10V reference output.

Digital I/O:4 inputs(configurable),8 inputs/outputs(configurable),24V output(600mA)for external relays.

Serial fieldbus:RS485 for Modbus RTU or VDC communication,CAN for dual channel communication.