RET615 is a dedicated transformer protection and control relay for protection, control, measurement and supervision of power transformers, unit and step-up transformers, including power generator-transformer blocks, in utility and industrial power distribution systems.
RET615 is a member of ABB’s Relion® product family and part of its 615 protection and control series of relays
Scope
- Protection for two-winding power transformers including differential protection
Production benefits
- Compact and versatile solution for utility and industrial power distribution systems with integration of protection, control, monitoring and supervision in one relay
- Extensive range of protection and control functionality for two-winding power transformers, including advanced and fast differential protection with high inrush stability
- Ready-made standard configurations – matching the most commonly employed vector groups – for fast and easy setup with tailoring capabilities
- Withdrawable plug-in unit for swift installation and testing
- Large graphical display showing customizable SLDs, accessible either locally or through an easy-to-use web-browser-based HMI
- Extensive life-cycle services
Product features
- Transformer differential with voltage protection and measurement functionality
- Supports various neutral earthing options, matching either high-impedance or numerically low-impedance restricted earth-fault principles
- Optional arc protection and high-speed outputs
- Supports IEC 61850 Editions 1 and 2, including HSR and PRP, GOOSE messaging and IEC 61850-9-2 LE for less wiring and supervised communication
- IEEE 1588 V2 for high-accuracy time synchronization and maximum benefit of substation-level Ethernet communication
- Supports Modbus, DNP3 and IEC 60870-5-103 communication protocols