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What are the typical applications of the Directional overcurrent protection Idir>(67).

Directional overcurrent protection can be used for directional short circuit protection. Typical applications are
 Short circuit protection of two parallel cables or overhead lines in a radial network.
 Short circuit protection of a looped network with single feeding point.
 Short circuit protection of a two-way feeder, which usually supplies loads but is used in special cases as an incoming feeder etc.,
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