ABB RET615C_E HCTJBABAABC2DNN11E Transformer Protection and Control Relay

ABB RET615 – Transformer Protection and Control Relay

RET615 is a dedicated protection and control relay designed for two-winding power transformers, including unit and step-up transformers as well as generator-transformer blocks. It is suitable for both utility and industrial power distribution systems.

As a member of ABB’s Relion® product family and part of the 615 series, RET615 offers advanced functionality in a compact and robust design.

Scope of Application

• Protection and control for two-winding power transformers

• Suitable for utility and industrial power distribution networks

• Supports differential protection and multiple transformer configurations

Production Benefits

• Compact and Versatile: Integrates protection, control, monitoring, and supervision in one device.

• Comprehensive Functionality: Advanced and fast differential protection with excellent inrush current stability.

• Preconfigured Setups: Ready-made standard configurations for common transformer vector groups allow quick and easy commissioning, with options for further customization.

• Withdrawable Plug-in Unit: Simplifies installation and maintenance procedures.

• User-Friendly Interface: Features a large graphical display showing customizable single-line diagrams (SLDs), accessible locally or via a web-based HMI.

• Lifecycle Services: Supported by ABB’s extensive service portfolio.

Key Product Features

• Differential Protection: Integrated with voltage protection and measurement functions.

• Neutral Earthing Support: Compatible with both high-impedance and numerically low-impedance restricted earth-fault protection principles.

• Optional Arc Protection: Enhances safety with fast-response arc flash protection and high-speed outputs.

• IEC 61850 Support:

• Editions 1 and 2

• GOOSE messaging

• HSR (High-availability Seamless Redundancy)

• PRP (Parallel Redundancy Protocol)

• IEC 61850-9-2 LE for reduced wiring and monitored communications

• Time Synchronization: IEEE 1588 V2 support for high-precision synchronization and optimal substation-level communication performance.

• Multi-Protocol Communication: Supports Modbus, DNP3, and IEC 60870-5-103 for interoperability with diverse SCADA and control systems.