Built on the industry-leading UR platform, the Multilin L90 transmission protection relay provides high-speed current differential protection suitable for transmission lines and cables of various voltage levels, while supporting complete distance protection and dual-breaker applications suitable for single and three-pole tripping applications.

Dec 13, 2023 · The L90 line differential relay is a digital current differential relay system which provides protection for transmission lines and feeders. It may be used as a standalone device or as a component of an automated sub-station control system.

The L90 provides high-speed current differential protection suitable for transmission lines and cables of various voltage levels, while supporting complete distance protection and dual-breaker applications suitable for single and three-pole tripping applications.

View and Download GE L90 instruction manual online. Line Differential Relay UR Series. L90 relays pdf manual download.

To communicate through the L90 rear RS485 port from a PC RS232 port, the GE Multilin RS232/RS485 converter box is required. This device (catalog number F485) connects to the computer using a “straight-through” serial cable.

Oct 5, 2023 · The L90 line differential relay is a digital current differential relay system which provides protection for transmission lines and feeders. It may be used as a standalone device or as a component of an automated sub-station control system.

This document provides instruction for version 7.6x of the GE L90 Line Current Differential System. It contains information on product description and key features, pilot channel relaying, security, order codes, signal processing, specifications, installation, setup, testing and …

The L90 is a phase-segregated current differential protection relay, which uses superior and patented algorithms to address the challenges of bandwidth, security, dependability and sensitivity in current differential relaying.

The L90 is an advanced current differential relay intended for use on transmission lines of any volt-age level, including series com-pensated lines. As a member of the Universal Relay Family, the L90 offers unparalleled digital protection that includes:

The L90 is a phase-segregated current differential protection relay, which uses superior and patented algorithms to address the challenges of bandwidth, security, dependability and sensitivity in current differential relaying.