Description

Overview

Essential details：REF545KB133AAAA REF545 feeder terminal protection device

Product Description

The ABB REF545KB133AAAA is a feeder terminal protection device designed to protect, control, measure and monitor medium voltage power grids. Here are some key details about the product:

Application: Suitable for medium voltage power grid, including power quality monitoring, protection, capacitor bank protection and control, and motor protection.

Measurement method: Current and voltage sensors or traditional CT (current transformer) and PT (voltage transformer) can be used for current and voltage measurement.

Man-machine interface: The man-machine interface of the device adopts a large LCD graphic display screen, and the LCD screen can be separated from the device to facilitate installation on the switch cabinet.

Functions: With protection, control, measurement, communication, power quality monitoring and equipment status monitoring and other functions.

Protection functions: including phase to phase overcurrent and ground protection with or without direction, zero sequence overvoltage protection, overvoltage and undervoltage protection, thermal overload protection, circuit breaker failure protection and automatic reclosing.

Control function: including circuit breaker, isolation switch and other control objects local and remote control and simultaneous detection, control object status display and interlock display between the screen cabinet and the substation host.

Measurement functions: including phase current, line voltage and phase voltage, zero sequence current and zero sequence voltage, frequency, power factor, active and reactive power and electrical energy measurement.

Equipment condition monitoring: including circuit breaker status display, trip loop monitoring, and internal self-test of feeder terminals.

Additional functions: with concurrent inspection, frequency protection, capacitor bank protection and control, current and voltage harmonic component measurement and other functions.

Communication interface: There are three communication interfaces, one is used for local communication with the PC, and the other two are used for remote communication through the substation monitoring system.

PLC logic programmable function: In addition to the basic protection, measurement, control and status monitoring functions, it also provides perfect PLC logic programmable function, so that the automation function and sequential logic control function required by the substation integrated automation system are integrated into one device.

Communication protocols: Support a variety of communication protocols, such as IEC 60870-5-103, DNP 3.0, Modbus, SPA or LON.

These features make the ABB REF545KB133AAAA a powerful tool for ensuring the safe, reliable and efficient operation of power systems.

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Product parameter

ABB REF545KB133AAAA feeder terminal protection device parameters are as follows:

Model: REF545KB133AAAA

Usage: Used for protection, control, measurement and monitoring of medium voltage power grid.

Measurement method:

Supports current and voltage measurement using current and voltage sensors or traditional CT and PT.
Man-machine interface:

Equipped with a large LCD graphic display, can be separated from the device, easy to install on the switch cabinet.
Features:

Protection functions: including phase-to-phase overcurrent and ground protection (with or without direction), zero sequence overvoltage protection, overvoltage and undervoltage protection, thermal overload protection, circuit breaker failure protection and automatic reclosing.
Control function: including circuit breaker, isolation switch and other control objects local and remote control, simultaneous detection, control object status display and interlock display between the screen cabinet and the substation host.
Measurement functions: including phase current, line voltage and phase voltage, zero sequence current and zero sequence voltage, frequency, power factor, active and reactive power and electrical energy measurement.
Equipment condition monitoring: including circuit breaker status display, trip loop monitoring, and internal self-test of feeder terminals.
Additional features:

It includes functions such as synchronous check, frequency protection, capacitor bank protection and control, and current and voltage harmonic component measurement.
Communication interface:

It has three communication interfaces, one for local communication with the PC, and the other two for remote communication through the substation monitoring system.
PLC logic programmable function:

Provide complete PLC logic programmable function, integrated automation function and sequential logic control function.
Communication protocol:

Support IEC 60870-5-103, DNP 3.0, Modbus, SPA or LON.
Installation method:

Suitable for installation in the switch cabinet, the display can be separated from the device, easy to install and operate on site.

APPLICATION

Applications for ABB REF545KB133AAAA feeder terminal protection include, but are not limited to:

Power systems: Used in substations and distribution networks to protect and control medium-voltage power grids.

Industrial automation: used to protect and control critical power equipment and production lines in industrial environments.

Energy management: In an energy management system, it is used to monitor and optimize power quality.

Motor protection: provides protection and control for three-phase asynchronous motors to ensure safe and efficient operation of the motors.

Reactive power compensation: used for the protection and control of shunt capacitor banks to improve the power factor and efficiency of the grid.

Power quality monitoring: Used to monitor and protect the grid from power quality issues such as voltage fluctuations, harmonics, etc.

Automated control systems: Integrated into automated control systems to provide the necessary protection and control functions.

Smart grid: In a smart grid, it is used to implement advanced protection, control and communication functions.

Traffic and infrastructure: used for the protection and control of power systems in infrastructure such as traffic lights and tunnel lighting.

Commercial buildings: In commercial buildings, it is used to ensure the stability and safety of the power system to prevent power outages and electrical fires.

Water treatment and water supply systems: used in water treatment plants and water supply systems to protect and control pumping stations and distribution facilities.

Oil and gas: Used to protect and control electrical systems in oil and gas extraction, transmission and processing facilities.

These applications benefit from ABB REF545KB133AAAA’s versatility, reliability and advanced communication capabilities, making it ideal for power system protection and control.

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