ABB UNITROL 1020 Voltage regulator

ABB UNITROL 1020 Voltage regulator

Product Overview

The ABB UNITROL 1020 belongs to the ABB UNITROL 1000 series of products and is a voltage regulator designed for small and medium-sized synchronous generators and industrial equipment. It combines advanced microprocessor technology and IGBT semiconductor devices for high performance and reliability, providing precise voltage control to ensure that the power system voltage is within the set range to provide a stable and reliable power supply.

Product Features

Automatic voltage regulation: through the PID control algorithm, it precisely regulates the generator excitation current, thus stabilising the output voltage.

Parallel operation: supports parallel operation of multiple generators to achieve load sharing and power factor regulation.

Automatic synchronisation: automatically synchronise the generator with the power grid to ensure the safety and reliability of the grid connection process.

Multiple protection functions: with over-current, over-voltage, under-voltage and other protection functions to ensure the safe operation of the equipment.

Abundant communication interfaces: support a variety of communication protocols, such as Modbus, Ethernet, etc., which is convenient for communication with the host computer.

Easy to use: provide friendly user interface, convenient for users to set parameters and status monitoring.

Flexible Configuration: Can be flexibly configured with various parameters according to different application requirements.

Environmental adaptability: High-performance work in harsh conditions and different temperature ranges, fully compliant with DNV and UL standards.

Technical specifications

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

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

Excitation outputs: Measurement terminals including 3-phase machine voltage, 1-phase network voltage and 1-phase machine current.

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

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

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

Fields of application

ABB UNITROL 1020 is widely used in the following areas:

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

Industry: for voltage stabilisation of industrial power equipment.

Ship: for voltage regulation of ship power system.

Product Advantages

High-precision regulation: capable of providing precise voltage control to ensure the stability of the power system.

Fast response: with fast response capability, it can quickly adjust the output voltage to cope with the unexpected situation in the power system.

Intelligent control: adopting advanced control algorithm and intelligent technology, it can automatically monitor and adjust the voltage to adapt to the changes in the power system.

Instructions and warnings related to the operation of the product:

The following specifications must be strictly observed:

 The technical specifications and typical applications of the product system must be strictly observed.

 PERSONNEL TRAINING: Only trained personnel may install, operate, maintain or repair the product system. These personnel must be instructed on the

These personnel must be instructed and briefed on the conditions in the hazardous area.

 Unauthorised modifications: No modifications or structural changes may be made to the product system.

 Maintenance Responsibility: It must be ensured that the product system is used only under appropriate conditions and in a condition fully suitable for use.

 Working environment: The user must fulfil the specified environmental conditions:

Safety regulations

The following safety regulations must be fully observed when (maintenance) work is carried out on the product system:

1 Disconnect completely.

2 Secure to prevent reconnection.

3 Confirm that the installation has been completed.

4 Perform grounding and short-circuiting.