Multilin 845 Transformer Protection System
Multilin 845
Comprehensive Protection & Management for Transformers
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.
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’s Kelman Transformer Monitoring devices, delivering actionable analytics for asset optimization and transformer life extension.
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
Overview of Multilin 845
845 is specifically designed for the protection, control and management of 2-winding and 3-winding power and distribution transformers in public utility and industrial applications. 845 offers comprehensive transformer health monitoring, diagnosis and reporting, and integrates connections with single-gas and multi-gas transformer DGA solutions (such as GE’s Kelman transformer monitoring equipment), providing actionable analysis for asset optimization and extended service life.
Application
Primary and backup protection and management of small, medium and large power and distribution transformers, autotransformers and reactors
Designed specifically for public utilities (power transmission and distribution) or industrial applications
Integrated transformer protection, monitoring and diagnosis, and transformer health visualization
