Description

Overview

Essential details：REC670 protection device

Product Description

ABB’s REC670 is a protection device specifically designed for power systems to protect high and low voltage busbars. The following are its characteristics, application scenarios and protection effects:

Features:
Differential protection: REC670 has a differential protection function, which can quickly detect and deal with bus faults to ensure the stable operation of the power system.
High reliability: The device adopts high-precision detection technology, which can accurately detect the fault of the bus under various circumstances, and improve the reliability and stability of the protection.
Wide adaptability: The REC670 is suitable for all sizes and types of power systems, whether large or small, to provide effective protection.
Easy configuration: The device has a simple and easy-to-use configuration interface, users can quickly configure according to actual needs, improve the operability of the device.
Application scenario:
REC670 is widely used in various types of power systems, including but not limited to power systems in factories, data centers, hospitals, schools and other places. In these scenarios, the REC670 provides stable and reliable busbar protection to ensure the normal operation of the power system.

Protective effect:
Differential protection: Through the differential principle to achieve rapid detection and processing of bus faults, reduce the range of power outage, improve the reliability of power supply.
Overcurrent protection: In the event of an overcurrent fault in the bus or branch, the REC670 can quickly cut off the current and prevent further damage to the equipment.
Quick break protection: When a bus or branch fails seriously, the REC670 can quickly remove the fault part and prevent the fault from expanding.
Automatic reclosing function: In some cases, a temporary fault may cause the bus to lose voltage, REC670 has an automatic reclosing function, which can automatically re-close after the fault is rectified, improving the reliability of power supply.
ABB REC670 busbar differential protection device with differential protection, overcurrent protection, quick break protection and other protection functions, can provide comprehensive and reliable busbar protection. It is suitable for power systems of various sizes and types, and can ensure the stable operation of power systems and improve the reliability of power supply.

REC670

Product parameter

Application: Suitable for controlling, protecting and monitoring different types of intervals in power networks, especially for distributed control systems with high reliability requirements.

Voltage level: Applicable to all voltage levels, can control any wiring mode of primary equipment.

Control: Remote (SCADA/ station level) control can be achieved via a communication bus, or on-site operation via a local human machine interface (HMI).

Protection function: including differential protection, overcurrent protection, quick break protection, automatic reclosing function, etc.

Configuration: There are several pre-configuration options, such as single circuit breaker (double or single bus) configuration (A30), double circuit breaker configuration (B30), 1½ circuit breaker configuration (C30), etc.

Communication: Support IEC 61850-8-1 station level bus data communication, as well as a variety of other communication protocols.

Advanced logic: With advanced logic programming functions, can meet the special user logic requirements.

Fault recording: Integrated fault recording and event recording functions.

Power metering: with power measurement and demand processing functions.

Self-test and event recording: Complete self-test and internal event recording functions.

Settings: Provides multiple sets of independent setting values, with password protection.

PC Software Tools: Powerful PC software tools for setup, wave recording analysis, and user configuration.

Hardware design: Has scalable hardware design to meet specific requirements.

Certification: Compliance with relevant international standards, such as IEC 61850.

APPLICATION

Substation automation: REC670 can be used to control, protect and monitor substations, providing high reliability and flexibility.

Transmission line protection: suitable for transmission lines of different voltage levels, providing differential protection, overcurrent protection, etc.

Distribution network automation: REC670 can be used as multi-feeder protection and controller, suitable for the automation and intelligence of distribution network.

Power system control: In systems requiring distributed control IEDs, the REC670 can be used for all-station interlocking.

Remote Monitoring and data communication: With built-in communication capabilities, the REC670 supports vertical client-server MMS communication with local stations or remote SCADA operator workstations.

Network security: Network security measures are in place to ensure that protection and control functions operate safely and autonomously even in the event of simultaneous cyber attacks.

Special Applications: Advanced logic features allow for special applications, such as automatic breaker operation in multiple circuit breaker configurations, circuit breaker loop closure, load transfer logic, etc.

Power quality monitoring: Integrated fault recording and event logging capabilities allow post-failure analysis independent of the protection system.

Power metering: Power measurement and demand processing for power management and demand response applications.

Communication Protocol support: Supports a variety of communication protocols, including IEC 61850, IEC 60870-5-103, DNP3.0, etc., which is suitable for the communication requirements of smart grids and modern power systems.

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