SIPROTEC 7SC80 – Feeder Automation Controller

Flexible application for medium voltage power system

SIPROTEC 7SC80

Perspective View

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    We offer you considerably more than just a simple time-over current protection

    The SIPROTEC 7SC80 feeder protection can be used for protection and automation of medium voltage distribution feeders with grounded or low resistance grounded, isolated, or compensated neutral point.

    The 7SC80 features “flexible protection functions”. 20 additional protection functions can be created by the user. For example, a rate of change of frequency function or a reverse power function can be created. The relay provides circuit-breaker control.

    Additional primary switching devices (grounding switches, transfer switches and isolating switches) can also be controlled from the relay. Automation or PLC logic functionality is also implemented in the device. The integrated programmable logic (CFC) allows the user to add own functions, e.g. for the automation of switchgear (including: interlocking, transfer and load shedding schemes). The user is also allowed to generate user-defined messages. The upgrade of device and communication firmware is also possible via Ethernet.

    Highlights

    • Support of feeder automation applications, e.g. fault isolation and service restauration

    • Designed for harsh environment

    • Extended temperature range –50 °C up to 85 °C

    • Open for all different communication technologies, e.g. radio, which are used for feeder automation

    • Integrated GPS module is available for time synchronisation

    • Full remote access supported for firmware and parameter updates and upgrades

    • A web based HMI provides complete remote control of the device

    • 9 programmable function keys

    • 6-line display

    • Integrated switch for low-cost and redundant optical rings. Devices can be connected directly with each other at electrical modules

    • Parallel running communication protocols

    • Redundancy protocols RSTP, PRP and HSR for highest availability

    • Current Jump detector

    • Extended CFC capabilities

    • 24 km Single mode interface

    • RTU version without protection features

    • Secondary current transformers values (1 A / 5 A9 settable using DIGSI

    • Buffer battery exchangeable from the side

    • USB front port

    • Relay-to-relay communication through Ethernet with IEC 61850 GOOSE

    • Stainless steel housing

    • Millisecond-accurate time synchronization through Ethernet with SNTP

    • Inputs for Low power CTs and VTs according IEC 61869-6 (formerly IEC 60044-7 and IEC 60044-8)





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