ABB REC670

Input Range: ±10 V / ±20 mA
Resolution: 16 – bit
Accuracy: ±0.05%
Operating Temperature Range: – 40°C to +85°C
Storage Temperature Range: – 40°C to +85°C
Humidity Range: 0% to 95%, non – condensing
Communication Interface: Modbus, Profibus DP, CANopen

Category: ABB

Description

Functional Features

Powerful Protection Function
- It has a rich protection function library, including instantaneous phase and ground over – current protection, four – stage directional or non – directional time – delayed phase and ground over – current protection, thermal over – load protection, and two – stage under – voltage and over – voltage protection.
- It includes multiple circuit breaker failure protection functions, which can provide independent circuit breaker failure protection, even for a complete string in a 1 ½ breaker arrangement.
Flexible Control Function
- It can control up to 6 feeder bays and up to 30 controllable devices.
- It supports single – breaker, double – breaker, and 1 ½ breaker wiring methods, and the typical electrical interlocking has passed the type test.
- It has synchronization, synchrocheck, and no – voltage check functions for single – breaker or multi – breaker, with optional charging directions and different setting values.
Convenient Monitoring Function
- It has a large – screen HMI for local control and instant access to important data such as settings, events, and disturbance information.
- It integrates fault recording and event recording functions, which can record 40 analog signals and 96 digital signals. It also has energy metering and demand processing functions.
Good Communication Capability
- It supports multiple communication protocols, such as IEC 61850 – 8 – 1, IEC 60870 – 5 – 103, TCP/IP, EIA – 485 DNP3.0, LON, and SPA.
- Serial data communication uses fiber – optic connection to ensure that the device is protected from electromagnetic interference.
High – reliability Design
- It meets the IEC 61850 – 8 – 1 standard, and can realize station – wide interlocking through GOOSE messages and vertical client – server MMS communication.
- It has a redundant communication function through the built – in PRP feature, which can be used in star or ring bus architectures.

Application Scenarios

Power Generation Plants
- It can be used to protect generators, transformers, and related equipment in power plants, ensuring the safe and stable operation of the power generation system.
Power Grids
- It is used for the protection of lines and equipment in power grids, which helps to ensure the stability and safety of the power grid.
Industrial Power Systems
- In industrial power systems, it can protect factory equipment, motors, and power distribution systems, improving the reliability of industrial production.
Renewable Energy Systems
- In wind power and solar power generation systems, it can protect inverters and equipment connected to the power grid, promoting the stable operation of renewable energy.
Railway Electrification Systems
- It is used in railway electrification systems to ensure the safe and reliable operation of the electrification system.

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