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2023年12月13日 · 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. - Manuals.

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View and Download GE L90 instruction manual online. Line Current Differential System. L90 relays pdf manual download.

g applications. Part of the Universal Relay (UR) family, the L90 comes with a variety of versatile features, truly integrating protection, monitoring, metering, communication and control in one eas.

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

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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: This function utilizes adaptive re-straint to maintain high security and prevent mis-operation.