RED670 1MRK000028-CAR01 Interval Control Unit REC670

Designed for the protection, control, measurement and monitoring of power systems, the RED670 provides a comprehensive product family that ensures product interoperability and is a future-proof solution. Relying on ABB’s leading-edge technology, global application background and experienced support network, you can ensure the reliability of system operation in any situation.

The RED670 IED (Intelligent Electronic Device) provides protection, monitoring and control of overhead lines and cables for networks up to five line terminals. It provides absolutely selective protection without time grading and can remove all line short circuits and ground faults instantaneously. In addition, the RED670’s high sensitivity can detect small fault currents, making it possible to detect high-resistance ground faults. RED670 IED also offers built-in distance protection to ensure fault clearance in the event of a communication failure, and offers independent phase selection, power swing detection, and multiple scenario communication logic.

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Description

Overview

Essential details：RED670 1MRK000028-CAR01 Interval Control Unit REC670

Product Description

Designed for the protection, control, measurement and monitoring of power systems, the RED670 provides a comprehensive product family that ensures product interoperability and is a future-proof solution. Relying on ABB’s leading-edge technology, global application background and experienced support network, you can ensure the reliability of system operation in any situation.

The RED670 IED (Intelligent Electronic Device) provides protection, monitoring and control of overhead lines and cables for networks up to five line terminals. It provides absolutely selective protection without time grading and can remove all line short circuits and ground faults instantaneously. In addition, the RED670’s high sensitivity can detect small fault currents, making it possible to detect high-resistance ground faults. RED670 IED also offers built-in distance protection to ensure fault clearance in the event of a communication failure, and offers independent phase selection, power swing detection, and multiple scenario communication logic.

The RED670 1MRK000028-CAR01 motor controller is a product of ABB with a variety of protection functions for industrial automation and process control. It has overload protection, short circuit protection and overvoltage protection functions, can work in normal temperature environment, adapt to a variety of industrial environments. The controller has a high degree of automation and supports communication with other devices or systems to achieve data acquisition, processing and analysis. It uses the sis system, provides powerful system functionality and stability, and supports 50/60Hz operating frequency. For domestic and international market sales, and provide one-year warranty service.

RED670 1MRK000028-CAR01 determines whether the protected line is faulty by comparing the current flow at both ends of the line, and works based on Kirchhoff’s current theorem. In normal operation, the current to and from the protected device is equal in magnitude and phase. If a fault occurs, this balance is destroyed, the differential current is greater than zero, and when the differential current is greater than the setting value of the protection device, the protection device acts and disconnects the power supply of the protected device. Line differential protection is divided into longitudinal differential protection and transverse differential protection. The longitudinal differential protection is realized by comparing the magnitude and phase of the current at each end of the protected line. In addition, bus differential protection is also a kind of differential protection, by comparing the current in and out of the bus to determine whether the bus is faulty.

RED670

Product parameter

Model: RED670 1MRK000028-CAR01
Category: Interval Control Unit REC670
Finish: new or not new
Delivery time: from stock
Warranty: One year
Express: SF Express or Debon Express
Standard compliance: Full compliance with IEC 61850 standards
Functional integration: Integration of control, monitoring and protection functions
Self-test function: Comprehensive self-test function, including analog channel self-test
Parameter setting: Six independent sets of parameter setting values
Man-machine interface: Up to six LCD pages for local control and display of single-line diagrams
Communication interface: Ethernet interface, easy to communicate with PC quickly and easily
Signal matrix: switching and analog signal matrix, easy to adjust
User management: User management and permission Settings
Preconfigured solutions: The type tested preconfigured solutions with default tuning can be used for single circuit breaker wiring, double circuit breaker wiring, and 1 1/2 wiring
Control function: up to 6 intervals, 30 switchgear control
Protection function: including current protection, power protection, voltage protection and so on
Power module: 24-250VDC±20%
I/O module: Multiple input/output module options
Clock timing: Precise clock timing, supporting multiple timing modes
Remote protection communication: C37.94, X.21, and G.703/G.703E1
Test switch module: COMBITEST test switch module
Technical parameters: Please refer to the REC670 product manual for detailed technical parameters.

APPLICATION

Protection, control and monitoring of overhead lines and cables: for overhead lines and cables from distribution to the highest voltage levels.

Protection of heavy-duty lines and multi-terminal lines: Suitable for lines requiring single-phase, three-phase and/or three-phase trips.

Cable feeder protection of generator set transformer: Also suitable for protecting cable feeder of generator set transformer.

Phase isolation current differential protection: provides good sensitivity for high resistance faults and provides safe phase selection.

Multiple and single breaker arrangements: The availability of six stable current inputs per phase allows the use of multiple breaker arrangements in three terminal applications or single breaker arrangements in up to five terminal applications.

Communication in differential schemes: Communication between the IEDs involved is based on the IEEE C37.94 standard and can be replicated in critical installations when redundancy is required.

High sensitivity on long overhead lines and cables: Charging current compensation allows for high sensitivity on long overhead lines and cables as well.

Full scheme distance protection: Includes full scheme distance protection to provide independent protection in parallel with differential scheme in case of communication channel failure of differential scheme.

High impedance differential protection: Can be used to protect T-feeders or line reactors.

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