Distance relay in distribution substation to work in high accuracy what should be the Overhead Power Transmission Lines gauge along it?

Question

Overhead Power Transmission Lines may suffer a many faults in its work time, the distance relay can Determined the approximate distance where the fault happened.

Sebastian Deaconu · Answer

The remote relay operates in several impedance adjustment steps. The impedance depends on the length of the line, and it is set on the relay, allowing a wide range of values and pushing to protect medium lines and long lines. Stage I usually covers 80% of the line length with a 0s delay, the other steps being progressively delayed. Usually the last step is the one that sees behind the line to the power station with a second-order delay.

mohammed nurislam · Answer

Overhead Power Transmission lins may suffer a many fault in its working time.

The Distance relay can Determined that the Approximate Distance where is the fault happend.

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Distance relay in distribution substation to work in high accuracy what should be the Overhead Power Transmission Lines gauge along it?

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