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GE VERNOVA | MULTIPLE FEEDER PROTECTION SYSTEM | MULTILIN 850

Electrical PowerElectrical Protection & Control Distribution Feeder
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GE VERNOVA | MULTIPLE FEEDER PROTECTION SYSTEM | MULTILIN 850

The Multilin 850 relay is a member of the Multilin 8 Series protective relay platform and has been designed for the management, protection and control of feeder applications. The Multilin 850 is an integrated, one box solution, used to provide comprehensive protection, control and monitoring of underground and overhead single or dual feeders in industrial and utility power networks. The Multilin 850 is also an ideal choice for bay control applications, with features including 12 switchgear control elements, a large color graphical display that supports configurable single line diagrams, an integrated annunciator panel, and 20 user configurable virtual pushbuttons. With support for industry leading communications protocols and technologies, the 850 provides easy integration into new or existing SCADA or DCS for enhanced situational awareness. To simplify the migration and upgrade from an existing SR 750/760 or 735 protection relays, retrofit kits have been developed which significantly simplify the upgrade process.

Applications

  • Wide range of multi feeder applications for utility, oil & gas, mining & metals, process industry, commercial, and waste water
  • Comprehensive protection and management of Padmount and Ring Main Unit feeders
  • High speed fault detection for arc flash mitigation

Key Benefits

Reduce number of IEDs in the system
  • Less capital cost • Less O&M cost
  • Reduce battery sizing on Padmount switches
Mean time to repair less than 15mins
  • Field swappable PSU
  • Draw out construction
  • Ready to consume service reports
Extended asset life
  • Built-in Environmental monitoring
  • Battery and advanced breaker monitoring
Same device based solution (850D/P)
  • Reduce training needs as same platform used both inside and outside the substation
  • Standardize SKU across systems
  • Harmonized look and feel, operational experience

GE VERNOVA | MULTIPLE FEEDER PROTECTION SYSTEM | MULTILIN 850

Communication

Providing several Ethernet and serial port options and supporting a wide range of industry standard protocols, the 8 Series enables easy, direct integration into DCS and SCADA systems. The 8 Series supports the following protocols:
  • IEC 61850 (8 Clients, 4 Logical Devices, Tx & Rx expansion, Analog GOOSE), IEC 62439 / PRP
  • DNP 3.0 serial, DNP 3.0 TCP/IP, IEC 60870-5-103, IEC 60870-5-104
  • Modbus RTU, Modbus TCP/IP
The 850 has two interfaces, a USB front port and Wi-Fi for ease of access to the relay.

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