GE VERNOVA | DISTRIBUTION & INDUSTRY TRANSFORMER PROTECTION SYSTEM | MULTILIN 845
The Multilin 845 Transformer Protection System is a member of the Multilin 8 Series protective relay platform and has been designed for the protection, control and management of 2- and 3-winding power and distribution transformers in both utility and industrial applications. This relay is Comprehensive Protection & Management for Transformers in Distribution and Industry (>5MVA). The Multilin 845 provides advanced functionality for a wide range of transformer applications delivering high-speed protection, customizable programmable logic, advanced transformer monitoring and diagnostics, and support for the latest communications protocols for easy integration into new or existing power systems. The Multilin 845 delivers comprehensive transformer health monitoring, diagnostics, and reporting with integrated connectivity to composite and multiple gas transformer DGA solutions such as, GE Vernova’s Kelman Transformer Monitoring devices, delivering actionable analytics for asset optimization and transformer life extension.
Applications
- Primary protection and management of small, medium and larger power and distribution transformers, autotransformers and reactors
- Designed for Utility (Transmission & Distribution) or Industrial applications
- Integrated transformer protection, monitoring diagnostics and transformer health visualization
Key Benefits
- Comprehensive transformer protection including fast operating differential protection, unique CT saturation and directional detection
- Advanced transformer monitoring, diagnostics and disturbance recording extending asset life
- Integrated protection & DGA for continuous transformer monitoring
- Integrated arc flash detection using light sensors to reduce incident energy and equipment damage
- High-end cyber security tools such as AAA, Radius, RBAC, and Syslog enabling NERC CIP requirements
- Draw-out design simplifies testing, commissioning and maintenance
- Optional Wi-Fi minimizes system configuration and facilitates safe relay programming and diagnostic retrieval
- Monitored environmental conditions helps reduce system downtime
- High flexibility for customized protection and control logic
Providing several Ethernet and serial port options and supporting a wide range of industry standard protocols, the 845 enables easy, direct integration into DCS and SCADA systems. The 845 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 845 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
