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Archive: Category «Protection»

High Voltage ♛

The raising technology of high voltage vacuum circuit breakers (that could replace SF6…)

Because of great harmfulness of greenhouse effect, SF6 gas has to be limited. It is necessary to develop high voltage vacuum circuit breaker to replace SF6 circuit breaker. Insulating structure…...

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Nov 07, 2018 | By Ali Sepehri

High voltage vacuum circuit breakers - The raising technology
Electrical Lectures

Biased-differential protection theory and application

The term biased-differential or percentage differential is based on the fact that the operating threshold increases with the through current. Because of that, comparison of upstream and downstream currents in… Read more

Oct 22, 2018 | By Edvard

Biased-differential protection theory and application


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