ABB REF620

ABB REF620 is a digital relay protection device that integrates protection, control and automation.

It was launched by ABB and is widely used in various fields of power systems, including substations, power plants, industrial power, etc.

The following is a detailed introduction to ABB REF620:

1. Product Overview

REF620 is a member of ABB's Relion range and is part of its 620 protection and control product range. The relay is designed for protection, control, measurement and monitoring of utility and industrial distribution systems and is suitable for radial, ring and mesh networks, including applications with or without distributed generation.

2. Main features

High reliability: REF620 adopts the most advanced hardware and software technology, has high reliability and stability, and can meet the protection needs of various complex power grids.

Comprehensive protection functions: Supports many different types of protection functions, including over-current protection, distance protection, differential protection, etc., to effectively protect the safe operation of the power system.

Flexible configuration: Flexible hardware and software configuration options are provided, which can be customized according to actual needs to meet the protection requirements of different power systems.

User-friendly operation interface: Equipped with a large-screen LCD display and an intuitive operation interface, users can directly perform parameter settings, event viewing and fault diagnosis operations.

Powerful automation functions: It has automatic reclosing, automatic bypass switches and other automation functions to improve the reliability and operating efficiency of the system.

High-precision fault location: It has high-precision fault location function, which can quickly and accurately locate the fault point and shorten the troubleshooting time.

3. Functions and applications

REF620 not only provides comprehensive protection and control functions, but also has the following special functions and applications:

Extensive ground fault protection portfolio: with unique multi-frequency admittance based protection with higher sensitivity and selectivity.

Advanced fast fault location: Supports advanced fast fault location for short circuits and ground faults.

Interconnection protection of distributed power generation: Supports interconnection protection of distributed power generation, such as wind power, solar power, etc.

Capacitor bank and basic motor protection: Provides protection functions for capacitor banks and basic motors.

Supports multiple communication protocols: Supports IEC 61850, Modbus, DNP3 and IEC 60870-5-103 communication protocols to facilitate seamless connection and remote monitoring with other devices.

4. Product advantages

Maximize Capital: Keep assets working longer with designs that require less equipment and space.

Enhanced safety: Reduce hazards through safety-conscious design.

Improve reliability: Maintain critical operations by delivering stable, high-quality power every minute of every day.

Reduce operating costs: through effective energy management and maintenance strategies.

System upgrades are flexible: no rewiring or component replacement required.

5. Summary

As an advanced digital relay protection device, ABB REF620 has been widely used and recognized in power systems for its high reliability, comprehensive protection functions and flexible configuration options. It can not only meet the protection needs of various complex power grids, but also improve the reliability and operating efficiency of the system, reduce operating costs, and is an ideal choice for power system protection and automation. If you need this product, you can contact us!