Numerical Relay ABB

REU615 is a voltage protection and control relay for voltage and frequency-based protection in utility and industrial power distribution systems, including networks with distributed power generation. REU615 is also ideal for voltage regulation.

Scope

• Voltage and frequency protection as well as automatic voltage regulation of power transformers with a motor-driven on-load tap changer

Product features

• Exclusively designed for automatic and manual voltage regulation, or alternatively for busbar under voltage and overvoltage supervision, load shedding and restoration
• Ready-made standard configurations for fast and easy setup with tailoring capabilities
• Withdrawable plug-in unit for swift installation and testing
• Large graphical display showing customizable SLDs, accessible either locally or through an easy-to-use web-browser-based HMI
• Extensive life-cycle services

Product benefits

• Extensive range of protection and control functionality for busbar voltage supervision, load shedding and restoration, including over frequency and under frequency protection for power generators and other AC equipment
• Automatic voltage regulation of power transformers with a motor-driven on-load tap changer
• Optional arc protection and high-speed outputs (not with automatic voltage regulator)
• Supports IEC 61850 Editions 1 and 2, including HSR and PRP, GOOSE messaging and IEC 61850-9-2 LE for less wiring and supervised communication
• IEEE 1588 V2 for high-accuracy time synchronization and maximum benefit of substation-level Ethernet communication
• Supports Modbus, DNP3 and IEC 60870-5-103 communication protocols

RET630 is a comprehensive transformer management relay for the protection, control, measurement and supervision of power transformers, including step-up transformers, and power generator-transformer units in utility and industrial power distribution systems. RET630 is also ideal for transformer bay control.

Scope

• RET630 has been designed to be the main protection and offer full protection for two-winding power transformers

Product benefits

• Freely configurable functionality to meet application specific requirements
• Extensive functionality and scalable hardware for the most demanding applications
• All-in-one solution with integration of protection, control, monitoring and supervision in one relay
• Large integrated or detached HMI with user configurable push buttons, making it easy to use
• Extensive life-cycle services

Product features

• Transformer differential protection, thermal overload protection, voltage protection, and hot spot and aging rate monitoring
• Optional automatic voltage regulation of power transformers with a motor driven on-load tap-changer
• 8 RTD/mA inputs and 4 mA outputs
• Supports native IEC 61850 Edition 1, including GOOSE messaging for less wiring and supervised communication
• Supports DNP3 (TCP/IP) and IEC 60870-5-103

The REM615 ANSI is a dedicated motor relay perfectly aligned for the protection, control, measurement and supervision of asynchronous motors in generation plants and manufacturing and process industries.

REM615 is a member of ABB's Relion product family and a part of its 615 protection and control product series. The 615 series relays are characterized by their compactness and withdrawable design. Engineered from the ground up, the 615 series has been designed to unleash the full potential of the IEC 61850 standard for communication and interoperability between substation automation devices.

Scope

• Motor protection for synchronous and asynchronous motors and their drives in manufacturing and process industry

Key benefits

• Maximized capital by keeping assets working longer with designs that require less equipment and space
• Enhanced safety by reducing hazards with safety-conscious designs
• Increased reliability by maintaining vital operations with steady, high-quality power every minute of every day
• Reduced operating costs with effective energy management and maintenance strategies
• More flexible system upgrades without rewiring or changing components
• Ease of integration with non-proprietary IEC 61850 communications

Key features

• Draw out design
• Machine differential
• High-impedance (HIZ) fault detection
• Arc flash detection (AFD)
• Ring-lug terminals for all inputs and outputs
• Large, easy-to-read LCD

REM601 is a dedicated motor relay designed for the protection and control of medium-voltage and low-voltage asynchronous motors in the manufacturing and process industry. The relay provides an optimized composition of protection, monitoring and control functionality in one unit, with the best performance usability in its class.

The relay’s stand­ard signal configuration can be altered from its local user interface (LHMI). The relay can be used with both circuit-breaker and contactor-controlled motor drives.

Besides the conventional current transformer interface based variant, the relay also supports a variant based on Rogowski current sensors’ analog interface. This helps to obtain a compact medium voltage switchgear equipment size reduc­tion with improved performance and standardization.

Scope

• Asynchronous motor protection

Product benefits

• Compact and flexible
• Simple to handle and ready to use
• Easily configurable binary inputs and outputs
• Extensive self-supervision of the relay hardware and software
• Facilitates easy and fast commissioning of switchgear
• Enhanced safety with usage of sensors variant 

Product features

• Used for three-phase motors with conventional contactor or circuit-breaker controlled motor drives
• Thermal overload, short circuit, start-up supervision, negative-phase sequence, loss of phase, locked rotor during running, sensitive earth fault, loss of load and circuit breaker failure protections
• Circuit breaker control
• Preconfigured configuration
• Configurable binary inputs/outputs using LHMI or communication interface
• Supports site-selectable Modbus RTU and IEC 60870-5-103 communication protocols 

Feeder protection REF601
Entry-level numerical relay for distribution networks
REF601 is a dedicated feeder protection and control relay intended for the protection and control of utility and industrial power systems in primary and secondary distribution networks. The relay provides an optimized composition of protection, monitoring and control functionality in one unit, with the best performance and usability in its class.

Besides the conventional current transformer interface based variant, the relay also supports a variant based on Rogowski current sensors’ analog interface. This helps to obtain a compact medium voltage switchgear equipment size reduc­tion with improved performance and standardization.

Scope

Main protection for overhead lines and cable feeders in solidly earthed, resistance-earthed or isolated networks
Inrush current stabilization function for distribution transformers 
 
Product benefits

• Compact, flexible and simple to handle
• Speedy commissioning through selective test function for protection functions, binary signals and communication features
• Easily configurable binary inputs and outputs
• Extensive self-supervision of the relay hardware and software
• Enhanced safety with usage of sensors variant / detachable terminals with CT shorting facility
• Press fit mounting arrangement facilitates easy and fast installation

 
Product features

• Overcurrent, earth-fault, phase-discontinuity, negative-phase sequence and thermal-overload protections, inrush current detection, circuit-breaker control, reclosing and measurement
• Preconfigured functionality facilitates easy and fast commissioning
• Universal power supply 24-265 V AC/DC
• Configurable binary inputs/outputs using local HMI or communication interface
• Specific variant with site selectable CT selection (1 or 5A), Boolean logic and timers
• Site selectable Modbus and IEC 60870-5-103 protocols

Feeder terminal REF 545
The REF 545 feeder terminals are designed to be used for protection, control, measurement and supervision of medium voltage networks.
The REF 545 feeder terminal can be used with different kinds of switchgear, including single busbar, double busbar and duplex systems. 

The protection functions also support different types of networks, such as, isolated neutral networks, resonant-earthed networks and partially earthed networks. The application area also covers medium-sized three phase asynchronous motors as well as protection and control of shunt capacitor banks used for reactive power compensation. In addition to protection, measurement, control, condition monitoring and general functions, the REF 545 feeder terminals are provided with a large amount of PLC functions, which allow for several automation and sequence logic functions, needed for substation automation, to be integrated into one unit.

The data communication properties include the following communication standards: SPA bus, LON bus, IEC 60870-5-103, IEC 61850 via SPA-ZC 400, Profibus DPV1 via SPA-ZC 302, DNP 3.0 and Modbus communication with higher level equipment. Further, the LON communication together with the PLC functions minimizes the need for hardwiring between the feeder terminals.
Scope

Feeder protection relay
Product benefits

• Protection functions for many different types of power networks
• Programmable logic functions (PLC)
• Wide support for different communication protocols
• Optical communication for fast disturbance-free communication

Product features

• Voltage and current measurement via conventional measuring transformers or current sensors and voltage dividers
• Fault locator for short circuits in all kinds of network
• Support for IEC 61850 protocol through the SPA-ZC 400 adapter
• 34 binary inputs and 26 output relays

Feeder protection and control REF620 IEC
Compact protection and control for a wide variety of feeder applications
REF620 is a dedicated feeder management relay for protection, control, measurement and supervision in utility and industrial power distribution systems, including radial, looped and meshed networks, with or without distributed power generation.

Compact and versatile feeder protection relay solution with integration of protection, control, monitoring and supervision in one relay.

Scope
Protection for medium voltage substation incoming and outgoing feeders
Key benefits

Extensive protection and control functionality, either with sensors or conventional instrument transformers
Functional scalability and extensive possibilities to easily tailor configurations to application-specific requirements
Withdrawable plug-in unit design for swift installation and testing
Large graphical display for showing customizable SLDs, accessible either locally or through an easy-to-use web-browser-based HMI
Extensive life-cycle services
Key features

• Wide range of protection and control functionality for incoming and outgoing feeders
• Extensive earth-fault protection portfolio with unique multifrequency admittance-based protection for higher sensitivity and selectivity
• Several optional functionality packages – advanced and fast fault location of short circuits and earth faults, interconnection protection for distributed power generation, capacitor bank, basic motor and arc protection
• Supports native IEC 61850 Editions 1 and 2, including redundancy HSR and PRP, GOOSE messaging and IEC 61850-9-2 LE for less wiring and supervised communication
• Supports Modbus, DNP3 and IEC 60870-5-103 communication protocols and for different time synchronization methods, including high-accuracy time synchronization via IEEE 1588 V2 Precision Time Protocol

Feeder protection REF611
REF611 is a dedicated feeder protection relay designed for the protection, control, measurement and supervision of utility substations and industrial power systems.
The feeder protection relay REF611 can be supplied either with directional or non-directional overcurrent and earth-fault protection. Directional earth-fault protection is mainly used in isolated neutral or compensated networks, whereas the non-directional earth fault protection is intended for directly or low-impedance earthed neutral networks.

Scope

Feeder protection relay
Product benefits

Pre-configured functions for feeder protection application
The relays are delivered pre-configured and factory-tested to shorten engineering and commissioning time
Self-healing communication based on HSR/PRP using an optional second Ethernet bus
The compact design makes it suitable for both new and retrofit installations
Withdrawable plug-in unit design for swift installation and testing
Product features

• Directional or non-directional overcurrent and earth-fault protection for feeders
• Powerful and user-friendly web-browser-based human machine interface (HMI) including input/output (I/O) matrix with visual selections
• Application-specific standard configurations resulting in a shorter relay setup and commissioning time
• Supports IEC 61850 Editions 1 and 2, including binary GOOSE messaging
• Pre-configured solutions for utility distribution and industrial applications

Self-powered feeder protection REJ603
Entry level protection in secondary distribution networks
REJ603 is designed for selective short-circuit and earth-fault protection of feeders in secondary distribution networks and for protection of small transformers in utilities and industries. REJ603 is a current-transformer-powered numerical feeder protection relay designed for applications where auxiliary power is not available or cannot be guaranteed, thereby making it an ideal choice for installation at remote locations. The relay is primarily used in ring main units and secondary distribution switchgear within distribution networks. Relay variants 1.5 and 3.0 support special and conventional current transformers respectively.

Scope
Overcurrent and earth fault protection
Product benefits

• High suitability of operation with low-energy trip coils
• Built-in hand-reset electromechanical flag
• Powering through front USB port eliminates the need for a built-in battery and also enables access to events/fault information when CT power is not available
• Speedy commissioning through selective test function for protection functions and binary output contacts including test trip to circuit breaker
• Fault analysis with event log/disturbance record facility (3.0 variant)
• Extensive self-supervision of relay hardware and software

 
Key features

• Used in cable or transformer feeders in solidly earthed, resistance-earthed or isolated networks where auxiliary power is not available or cannot be guaranteed
• Non-directional overcurrent, earth-fault protections, thermal overload protection, inrush current detection, remote trip and measurements
• Low-energy trip output and bi-stable outputs to trip circuit breaker
• Disturbance and event records downloadable from front USB port, also used for communication with relay to desktop or laptop PC or power bank; functions available through USB powering-up relay in absence of current input (3.0 variant)
• Designed for Ring Main Unit (RMU) and compact switchgear