ABB REF615 HBFFAEAGNB1XD (hereinafter referred to as REF615) is a high-performance integrated protection relay belonging to ABB Relief ® The 615 protection and control product series of the product line. The following is a detailed introduction to the product:

1、 Product Overview

REF615 is a specialized feeder protection and control relay designed to protect, control, measure, and monitor public substations and industrial power systems, including radial, ring, and mesh distribution networks with or without distributed generation.

2、 Main features

Compact and withdrawable design: REF615 adopts a compact and withdrawable unit design for easy installation and maintenance.

Multiple protection and control functions:

Provide directional and non directional overcurrent and thermal overload protection.

Provide directional and non directional grounding fault protection, including sensitive grounding protection, phase failure protection, instantaneous/intermittent grounding fault protection, etc.

Overvoltage and undervoltage protection, residual overvoltage protection, positive sequence undervoltage and negative sequence overvoltage protection.

Frequency protection, including over frequency, under frequency, and frequency change rate protection.

Supports multiple communication protocols: REF615 supports IEC 61850, IEC 60870-5-103, Modbus ® Multiple communication protocols are used to facilitate data exchange and remote operation with the upper monitoring system.

Intelligent judgment and adaptive capability: REF615 has intelligent judgment and adaptive capability, which can timely and accurately identify power grid faults and make responses.

Optional multiple automatic reclosing function: used for overhead line feeders to improve the stability and reliability of the power grid.

Optional arc protection: By configuring the corresponding hardware and software, REF615 can add three arc detection channels to achieve arc protection for the cable room, busbar room, and circuit breaker room of the metal armored switchgear.

3、 Application scope

REF615 is widely used in industrial production lines, mines, steel plants, and other occasions to provide reliable electrical protection for equipment and personnel. In the power system, REF615 can be used in distribution stations, substations, and other places to ensure the safe and stable operation of the power grid.

4、 Standard configuration and customization

REF615 offers multiple standard configurations, and users can choose according to their specific needs. Meanwhile, the protection functions and parameters of REF615 can be flexibly customized to meet the needs of different occasions.

5、 Operation and maintenance

The front panel of REF615 is equipped with a LCD display and buttons, allowing users to easily set parameters, reset faults, and perform other operations. Meanwhile, REF615 supports remote operation, allowing users to remotely configure and control devices through a remote monitoring system. Regularly clean and inspect REF615 to ensure proper heat dissipation and operation. According to the software upgrade announcement released by ABB, upgrade the software version of REF615 to obtain the latest features and improvements.