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Home >> GE >> GE MCAG High Impedance Bus Differential Relay

GE MCAG High Impedance Bus Differential Relay

From:GE | Author:LIAO | Time :2025-09-03 | 164 Browse: | 🔊 Click to read aloud ❚❚ ▶ | Share:

MCAG

High Impedance Bus Differential Relay

MCAG relays provide high-speed differential protection for various types of power system plants Including generators, reactors, busbars, motors and the individual windings of power transformers. The relays provide current-calibrated busbar differential and have an attracted armature design with simple and robust construction.

Key features:

High thermal withstand - improved when used with the stabilising resistor

Long service history, over 43.000 delivered since 1984

Design pedigree coming from over a million auxiliary relays in-service

Key benefits:

High stability during through faults  Operation is fast and reliable (25ms at 5 x setting)

Easy integration into 4U height MIDOS rack schemes

Highly-tuned to the fundamental to prevent spurious operation

Main characteristics:

3 element relay supplied in a 30TE (size 6 inch) case

Supplied with a stabilising resistor

Optional Metrosil available to limit CT saturation voltage

Use with MVTP where scheme buswire supervision is required



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