ABB REF615D Integrated Protection Relay

Product Introduction
The ABB REF615D is a high-performance integrated protection relay designed for comprehensive protection, control, measurement, and monitoring in power distribution systems. It is specifically tailored for utility substations and industrial power systems, supporting both radial and looped distribution networks with or without distributed generation. The device integrates advanced digital technologies and communication capabilities to ensure reliable detection and protection of power equipment, facilitating remote monitoring and management.

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Description

Technical Specifications

  • Voltage Rating: Suitable for a wide range of system voltages, typically up to 24 kV (specific ratings depend on configuration and application).
  • Current Rating: Supports high current ratings, with configurable settings for overcurrent protection.
  • Communication Protocols: Supports IEC 61850 (including GOOSE, HSR/PRP), Modbus, DNP3, IEC 60870-5-103, and Profibus DPV1 (via SPA-ZC 302 adapter).
  • Input/Output: Multiple digital inputs and outputs for flexible configuration, supporting up to 12 digital inputs and 10 digital outputs in standard configurations.
  • Display: Large LCD screen with single-line diagram (SLD) display for intuitive operation and monitoring.
  • Environmental: Designed to operate reliably in harsh industrial environments, with a wide temperature range (-40°C to +85°C for extended options).
  • Certifications: Complies with international standards such as IEC 60255 and IEC 61850, ensuring high reliability and safety.

Functional Characteristics

  • Comprehensive Protection: Provides overcurrent, overload, short-circuit, ground fault, overvoltage, undervoltage, overfrequency, and underfrequency protection.
  • High-Speed Fault Detection: Quickly detects fault signals and isolates faults by controlling circuit breakers, ensuring the safety of power equipment and the grid.
  • Accurate Measurement: Utilizes high-precision digital signal processing technology for accurate measurement of current, voltage, and other electrical parameters.
  • Flexible Configuration: Allows users to customize protection parameters, time-current curves, and logic configurations to meet specific application requirements.
  • Advanced Communication: Supports multiple communication protocols for seamless integration with other intelligent devices and remote monitoring systems.
  • Event Recording: Records and stores critical event information, including fault occurrence time, fault type, and action records, for subsequent analysis and troubleshooting.
  • User-Friendly Interface: Features an intuitive HMI with an LCD screen and keys for easy parameter setting and querying.
  • Modular Design: Input/output boards are modularly designed for easy expansion and maintenance.

Application Scenarios

  • Power Distribution Systems: Protection of feeders, cables, and distribution substation busbars in utility and industrial networks.
  • Renewable Energy Integration: Supports distributed generation sources, such as solar and wind farms, with flexible grounding configurations.
  • Industrial Automation: Protection of critical equipment in cement, metallurgy, petrochemical, automotive, semiconductor, paper, and tobacco industries.
  • Infrastructure Projects: Application in municipal, airport, port, and real estate sectors for reliable power supply and management.
  • Smart Grid Solutions: Integration into smart grid architectures for advanced monitoring, control, and automation of electrical networks.
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