Description

GE / ALSTOM Multilin 845 transformer protection system

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, GEs Kelman Transformer Monitoring devices, delivering actionable analytics for asset optimization and transformer life extension.

The 845 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 845 delivers comprehensive transformer health monitoring, diagnostics, and reporting with integrated connectivity to single and multi-gas transformer DGA solutions such as, GE’s Kelman Transformer Monitoring devices, delivering actionable analytics for asset optimization and life extension.

Multilin 845 transformer protection Applications:

• Primary and back-up 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 log

We offer GE’s century long tradition of power system innovation. From generators to transmission lines, to motors and beyond, we ensure dependable, safe power worldwide. GE offers a wide range of single function and auxiliary relays, along with a portfolio of accessories, to support high performing and reliable protection and control systems. Explore GE numerical Relays portfolio with us!