ABB REF620 Feeder protection and Control

Overview
The ABB REF620 is a dedicated feeder management relay designed for protection, control, measurement, and supervision in utility and industrial power distribution systems. It is applicable to various network types, including radial, looped, and meshed networks, and supports configurations with or without distributed power generation. This compact and versatile relay integrates protection, control, monitoring, and supervision functionalities into a single unit.

Key Features:

• Wide Range of Protection and Control: Suitable for incoming and outgoing feeders.
• Extensive Earth-Fault Protection Portfolio: Includes unique multifrequency admittance-based protection for enhanced sensitivity and selectivity.
• Optional Functionality Packages: Includes advanced and fast fault location for short circuits and earth faults, interconnection protection for distributed power generation, capacitor bank protection, basic motor protection, and arc protection.
• Supports Native IEC 61850 Editions 1 and 2: Includes redundancy HSR and PRP, GOOSE messaging, and IEC 61850-9-2 LE for reduced wiring and supervised communication.
• Supports Communication Protocols: Includes Modbus, DNP3, and IEC 60870-5-103.
• Time Synchronization: High-accuracy time synchronization via IEEE 1588 V2 Precision Time Protocol.

Key Benefits:

• Extensive Protection and Control Functionality: Accommodates both sensors and conventional instrument transformers.
• Functional Scalability: Offers extensive possibilities to tailor configurations to specific application requirements.
• Withdrawable Plug-In Unit Design: Facilitates swift installation and testing.
• Large Graphical Display: Shows customizable Single Line Diagrams (SLDs), accessible locally or via an easy-to-use web-browser-based Human-Machine Interface (HMI).
• Extensive Life-Cycle Services: Provides comprehensive support throughout the product's life cycle.