Description
REF615 is a dedicated feeder protection relaydesigned for the protection, measurementand supervision of utility substations andindustrial power systems. Re-engineered fromthe ground up, the relay has been guided bythe IEC 61850 standard for communicationand interoperability of substation automationdevices. The relay provides main protection for overhead lines and cable feeders in distributionnetworks. The relay is also used as back-upprotection in applications, where an independent and redundant protection system isrequired. Depending on the preconfiguration made,the relay is adapted for the protection ofoverhead line and cable feeders in isolatedneutral, resistance earthed, compensated andsolidly earthed networks. Once the standardconfiguration relay has been given the application-specific settings, it can directly be putinto service. The 615 series relays support a range of communication protocols including IEC 61850with GOOSE messaging and Modbus®.
Product benefits
• Extensive range of protection and control functionality, either with sensors or conventional instrument transformers
• Ready-made standard configurations for fast and easy setup with tailoring capabilities
• Withdrawable plug-in unit design for swift installation and testing
• Large graphical display for showing customizable SLDs, accessible either locally or through an easy-to-use web-browser-based HMI
• Extensive life-cycle services
Product features
• Directional and non-directional overcurrent and earth-fault protection, voltage, frequency and power based protection and measurement functionality
• Extensive earth-fault protection portfolio with unique multi-frequency admittance-based protection for higher sensitivity and selectivity
• Optional advanced and fast fault location of short circuits and earth faults, 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
Main brands include: ABB, Bailey, GE, FOXBORO, Invensys TRICONEX, Bentley BENTLY, A-B Rockwell, EMERSON EMERSON, B&R, MOTOROLA, FUANC, REXROTH, KUKA, HONEYWELL, NI, DEIF, Yokogawa, WOODWARD WOODWARD, Ryan, SCHNEIDER SCHNEIDER, Yaskawa, MOOG, EPRO, PROSOFT and other major brands
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