ABB REB500 Distributed Busbar Protection

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  1. Product Overview

  ABB REB500 Distributed Busbar Protection is a high-performance digital protection device designed for distribution system and substation busbars. It utilizes high-speed communication networks for busbar protection and fault isolation, providing reliable and fast fault detection and clearance while supporting remote monitoring and integrated control.

  REB500 features a modular, distributed architecture suitable for multi-bus, multi-circuit systems, ensuring high reliability and continuous power supply.

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  2. Main Technical Data

  General

  • Product type:
    Distributed Busbar Protection Device

  • Protection scope:
    Distribution system busbars, multi-circuit protection

  • Communication:
    IEC 61850, MMS, GOOSE, PRP/HSR

  • Response time:
    Busbar fault <10 ms (typical)

  • Supported system:
    Medium and high voltage distribution networks

  Electrical Characteristics

  • Supply voltage:
    110–240 V AC / 110–250 V DC (model dependent)

  • Input/Output:
    Digital I/O, analog input, communication interfaces

  • Measurement & Monitoring:
    Current, voltage, power, frequency, and fault recording

  Mechanical and Installation

  • Mounting:
    Control cabinet installation, modular expansion supported

  • Housing:
    Industrial-grade metal enclosure

  • Operating temperature:
    -20°C to +60°C

  • Vibration & shock:
    Compliant with IEC industrial standards

  Standards and Certification

  • Compliance:
    IEC 60255, IEC 61850, IEEE C37.118

  • Operating environment:
    Distribution automation, substations, industrial power systems

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  3. Key Advantages and Features

  1. Fast fault detection and isolation
     Busbar fault response <10 ms, enhancing system safety.

  2. Distributed architecture
     Expandable for multi-bus, multi-circuit protection, improving system reliability.

  3. Modular design
     Easy installation, maintenance, and upgrade, reducing operational costs.

  4. Supports multiple communication protocols
     IEC 61850, GOOSE, PRP/HSR, enabling remote monitoring and integrated control.

  5. High-precision measurement and monitoring
     Supports voltage, current, power, frequency, and fault recording for system analysis and management.

  6. Industrial-grade reliability
     Interference-resistant and vibration-resistant, suitable for harsh industrial environments.

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  4. Typical Applications

  • Distribution system busbar protection

  • High and medium voltage substation busbar monitoring

  • Industrial plant power systems

  • Wind and solar power plant busbar protection

  • Smart grids and microgrid systems

  • Public infrastructure power supply

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  5. Installation and Application Notes

  1. Verify system compatibility
     Ensure REB500 is compatible with busbars and communication network.

  2. Power connection
     Connect AC/DC supply correctly, avoid overvoltage or undervoltage.

  3. Signal and communication wiring
     Follow manual for I/O and communication connections to ensure reliable data transmission.

  4. Installation environment
     Avoid moisture, high temperature, corrosive gases, and ensure proper ventilation.

  5. Periodic inspection and maintenance
     Regularly check fault records, communication status, and measurement parameters to ensure stable long-term operation.

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The structure and details of the product：

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