GE Digital Energy Multilin™ 850 Innovative Feeder Protection System for Industrial & Distribution Utility Feeder ApplicationsThe 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 distribution feeder applications. The Multilin 850 is used to provide primary or backup protection for underground and overhead medium voltage feeders from distribution and industrial power networks.
Designed with advanced communications options and detailed asset monitoring capabilities, the Multilin 850 provides advanced functionality, including high-performance protection, extensive programmable logic, and flexible configuration capabilities.
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Built from a rich history and legacy in providing advanced protection and control solutions and utilizing advanced design practices, superior technology, and state-of-the art test and manufacturing facilities, GE is raising the bar on system performance, quality and reliability.
Key Benefits
• Increase uptime with industry-leading quality, reliability, and design processes ensuring long operational life
• Reduce downtime with relay environmental diagnostic information
• Simplify testing and increase process uptime withlow-insertion force, draw-out construction
• Designed with no electrolytic capacitors and manufactured to IPC-A 610 Class 3 industry standard
• Minimize system configuration time with optional point-to-point Wi-Fi connectivity, allowing secure, local relay programming and diagnostic retrieval.
Key Applications
Oil & Gas / Petrochemical / Refineries
• Protection and control for feeders and incomers
• Reliable motor-bus auto transfer and high-speed interlocking schemes
• Distribution load-shedding schemes
Mining & Metals
• Primary or backup protection for feeders and incomers
• Reliable, automatic bus transfer schemes
• High-speed fault detection for arc flash mitigation
Distribution Utility
• Protection and control for radial or looped distribution circuits
• Auto-reclosing control schemes
• Distribution generation interconnect protection
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Multilin 850 - Feeder Protection System
Multilin 850 Overview
The Multilin 850 Feeder Protection System is a protection device designed for the management, protection, and control of distribution feeders. The 850 provides the necessary primary and backup protection of underground and overhead medium voltage feeders used in industrial and distribution utility applications.
The 850 is an advanced feeder protection relay that provides high-performance protection, high-density I/O, extensive programmable logic, and flexible configuration capabilities. With protection and control logic, the 850 allows for simplified coordination with upstream and downstream disconnect devices.
The control features, such as auto-transfer schemes, cold load pickup, and auto-reclose, are available for the optimal protection and control of industrial and distribution networks. This advanced protection relay also offers enhanced features, such as diagnostics, preventative maintenance, condition monitoring, security, and advanced communications options.
The Multilin 850 is designed to solve the unique challenges that customers face in running their day-to-day operations, including maximizing system and process uptime, simplifying system integration and maintenance, and extending the life of critical assets.
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Multilin 850 - Feeder Protection System
Multilin 8 Series Platform - Application Example
From oil pumping and refining facilities to open-pit or underground mining and processing operations, companies demand solutions that ensure maximum process uptime, minimum operational and maintenance efforts, and the durability to withstand harsh environmental conditions.
The Multilin 8 Series is GE’s next-generation protection and control relay platform designed for industrial and distribution utilities. The platform provides comprehensive protection and asset monitoring for critical feeders, motors, generators, and transformers.
The 8 Series was designed to solve the challenges that customers face in running their day-to-day operations, including maximizing system and process uptime, simplifying system integration and maintenance, and extending the life of critical assets. Utilizing advanced design practices (IPC A-610 design standards), superior technology (elimination of all electrolytic capacitors), and state-of-the-art test and manufacturing facilities (every device endures 100% Environmental Stress Screening), GE is raising the bar on system performance and reliability.
With advanced communications, the 8 Series integrates easily and seamlessly into your new or existing control system, along with your other Multilin protection devices, providing a comprehensive solution for the end-to-end electrical system within your operations.
