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- GE VERNOVA | GENERATOR PROTECTION SYSTEM | MULTILIN 889
- ADV
- GE VERNOVA | GENERATOR PROTECTION SYSTEM | MULTILIN 889
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Electrical Power
- Electrical Protection & Control
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Electrical Testing
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Advanced Automation Applications
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Medium Voltage Switchgear
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Data Communication Network
GE VERNOVA | GENERATOR PROTECTION SYSTEM | MULTILIN 889
The Multilin 889 relay, a member of the Multilin 8 Series protective relay platform, has been designed for the protection, control, monitoring and management generators and in-zone transformers used in both industrial and utilities applications. The Multilin 889 provides advanced, high-speed protection, extensively customizable programmable logic, and flexible configuration capabilities, to maximize the operational performance and life of critical generators. Equipped with the latest in advanced communications, the Multilin 8 Series supports IEC 61850 Edition 2 ensuring simplified device integration and dual communication ports with IEC 62439/PRP, enabling users to achieve zero latency in communications for high reliability network architectures, ensuring complete asset monitoring and control.
Applications
- Comprehensive protection from small to large generators
- Industrial or utility power generation
- Co-generation and renewable generation applications
- Unit Transformer Protection applications
Key Benefits
- Enhanced generator protection algorithms provide sub-cycle differential protection, ensuring faster fault clearing times for reduced generator damage
- Dedicated generator monitoring and control functions providing mission critical operational data to enable a pro-active maintenance approach
- Additional overall generator-transformer differential (87O) providing additional back-up protection
- Advanced differential protection for both generator and in-zone transformer
- Industry standard cyber security tools such as AAA, Radius, RBAC and Syslog enabling NERC/CIP requirements
- Draw-out design simplifies testing and increases process uptime
- Optional Wi-Fi minimizes system configuration and facilitates safe relay programming and diagnostic retrieval
Communications
The 889 provides advanced communications technologies for remote data and engineering access, making it easy and flexible to use and integrate into new and existing infrastructures. Direct support for fiber optic Ethernet provides high-bandwidth communications, allowing for low-latency controls and high-speed file transfers of relay fault and event record information. The 889 also supports two independent IP addresses, providing high flexibility for the most challenging of communication networks.Providing several Ethernet and serial port options, dual independent Ethernet Ports, and support for a wide range of industry standard protocols, the 889 enables easy, direct integration into DCS and SCADA systems. The 889 supports the following protocols:
- IEC 61850 Ed2, IEC 62439 / PRP
- DNP 3.0, IEC 60870-5-103, IEC 60870-5-104
- Modbus RTU, Modbus TCP/IP
The 889 has two interfaces as USB front port and Wi-Fi for ease of access to the relay. Wi-Fi Connectivity:
- Simplify set-up and configuration
- Simplify diagnostic retrieval
- Eliminate personnel in front of switchgear
- WPA-2 security
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