ABB UNITROL 1020 is a high-performance,high-reliability voltage regulator.It belongs to the ABB UNITROL 1000 series and is designed for small and medium-sized synchronous generators and industrial equipment.The following is a detailed introduction to ABB UNITROL 1020:

1.Product Features

Advanced microprocessor technology and IGBT semiconductor devices:

Combines advanced microprocessor technology and IGBT semiconductor devices to ensure high performance and high reliability.

Provides precise voltage control to ensure that the power system voltage is within the set range and provides stable and reliable power supply.

Automatic voltage regulation:

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

Parallel operation and load sharing:

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

Automatic synchronization function:

Automatically synchronize the generator with the power 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 interface:

Supports multiple communication protocols,such as Modbus,Ethernet,etc.,which is convenient for communication with the host computer.

Built-in USB port,can be directly connected to the debugging and maintenance tool CMT1000,and can perform device configuration,event and data upload without other power supply.

Friendly user interface:

Provides an intuitive local control panel that can display AVR status,active limiters and measurement values.

Users can easily understand the operating status and performance data of the equipment through a friendly human-machine interface or remote monitoring system to carry out necessary maintenance and management.

Flexible configuration:

Various parameters can be flexibly configured according to different application requirements.

Strong environmental adaptability:

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

Applicable to various ambient temperatures and harsh environmental conditions,can be directly installed on the machine.

II.Technical specifications

Power supply and measurement terminals:

Maximum continuous current 30A,maximum cable 4mm²(AWG 24-10),spring terminal connection is reliable,and test points are easy to access.

Excitation output:

Measurement terminals include three-phase machine voltage,single-phase network voltage and single-phase machine current.

Analog input/output:

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

Digital input/output:

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

Serial fieldbus:

RS485 for Modbus RTU or VDC communication,CAN for dual-channel communication.

III.Application areas

ABB UNITROL 1020 is widely used in the following areas:

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

Industry:for voltage stabilization of industrial power equipment.

Marine:for voltage regulation of ship power systems.

IV.Use and maintenance

Personnel training:Only trained personnel can install,operate,maintain or repair product systems.These personnel must receive guidance and a brief introduction to the conditions in hazardous areas.

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

Working environment:The user must meet the specified environmental conditions.

The company mainly imports PLC modules,programmable controllers,servo control systems and DCS spare parts,such as:ABB,AB(Rockwell),GE(General Electric),Bentley,Honeywell Er),Emerson.),Motorola,Invensys,Westinghouse,etc.The company has established close cooperative relations with many world-renowned PLC and DCS product maintenance service providers.We can purchase goods directly from abroad and provide equipment and spare parts from different countries and manufacturers.

We supply goods directly from abroad,without intermediaries,reducing the cost of use.

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