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Towers with different voltage levels are now widely used transmission system. On this situation, it is probably that the faults that occurred will involve the two different voltage levels at the same time in a same tower. This paper presents the study of the effect of cross-country fault on distance protection. This study has been performed on a simple model circuit in transmission line. The cross-country...
The protection system is a very critical element in a power system. It is security to the power system for isolating only the faulty plant as fast as possible. A simple fault can lead to a cascade of tripping if it is not isolated accurately and fast enough by the protection system. Furthermore, protection system analysis is a complicated task for inexperienced engineers. Most of the analysis relied...
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