ABB REC670 1MRK002814-AB

• Protection – setting Ranges:
  • Current Protection:
    • PHPIOC 50 (instantaneous phase – over – current protection): 0 – 6.
    • OC4PTOC 51_671 (four – step phase – over – current protection): 0 – 6.
    • EFPIOC 50N (instantaneous residual – over – current protection): 0 – 6.
    • EF4PTOC 51N 67N2 (four – step residual – over – current protection): 0 – 6.
    • NS4PTOC 46I2 (four – step directional negative – phase sequence over – current protection): 0 – 6.
    • SDEPSDE 67N (sensitive directional residual – over – current and power protection): 0 – 6.
    • LCPTTR 26 (thermal overload protection, one – time constant, in Celsius): 0 – 6.
    • LFPTTR 26 (thermal overload protection, one – time constant, in Fahrenheit): 0 – 6.
    • TRPTTR 49 (thermal overload protection, two – time constant): 0 – 6.
    • CCRBRF 50BF (circuit – breaker fault protection): 0 – 6.
    • STBPTOC 50STB (Stub protection): 0 – 3.
    • CCPDSC 52PD (pole – disharmony protection): 0 – 6.
    • GUPPDUP 37 (directional under – power protection): 0 – 2.
    • GOPPDOP 32 (directional over – power protection): 0 – 2.
    • BRCPTOC 46 (broken – wire check): 0 – 1.
    • CBPGAPC (capacitor – bank protection): 0 – 3.
    • VRPVOC 51V (voltage – suppression over – current protection): 0 – 3.
  • Voltage Protection:
    • UV2PTUV 27 (two – stage under – voltage protection): 0 – 2.

2. Function Features

• High – performance Data Processing: It can collect, analyze and store power system operation data in real – time, providing strong data support for power system management and maintenance.
• Multiple Protection Functions: It has various protection functions such as overload, short – circuit, over – voltage, differential protection, and automatic reclosing. These functions ensure the stable operation of the power system.
• Modular Design: Features a modular design, which is easy to install and maintain.
• Communication Protocols Support: Supports multiple communication protocols like Modbus, Profibus, IEC 61850, enabling seamless connection with various power devices and remote monitoring and control, thus improving the automation level of the power system.

3. Application Scenarios

• Power Systems: Widely used in power transmission and distribution systems, especially in substations. It can be applied to power systems with series compensation or high – voltage direct – current transmission (HVDC). It monitors and controls the intervals between devices like circuit breakers and disconnectors to prevent power failures and ensure the stable operation of the power grid.
• Industrial Fields: Applied in industries such as chemical, petroleum, where reliable power supply is crucial. It can protect and manage the power supply systems in these industrial settings.
• Aerospace and Electronics: Used in aerospace and electronics industries to ensure the stable operation of power – related equipment and systems.

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