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Strong entry in the relay race: ABB's REF 615 dedicated feeder protection relay has been designed specifically for the protection, measurement and supervision of utility substations and industrial power systems. It provides IEC 61850-based connectivity and interoperability.

Publication: Modern Power Systems
Publication Date: 01-JAN-09 		Format: Online
Delivery: Immediate Online Access
Full Article Title: Strong entry in the relay race: ABB's REF 615 dedicated feeder protection relay has been designed specifically for the protection, measurement and supervision of utility substations and industrial power systems. It provides IEC 61850-based connectivity and interoperability.(TRANSMISSION & DISTRIBUTION)

Article Excerpt
This new relay has been engineered to exploit the full potential of the IEC 61850 standard for communication and interoperability of substation automation devices. It provides main protection for overhead lines, cable feeders and busbar systems of distribution substations. It can be installed in any kind of distribution network, regardless of the applied power system earthing principle.

It offers short-circuit, time overcurrent and thermal overload protection, as well as directional and non-directional earth-fault protection, sensitive earth-fault protection (SEF) and transient-measuring earth fault protection including detection...

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