Grounding System With Top Grounding Method on Overhead Transmission Lines of Langsa - Lhokseumawe
Keywords:
Top Grounding, ATP DrawAbstract
Continuity of electricity distribution is the most important thing in the industrial sector. A momentary disruption in distribution can cause significant losses. This is certainly a challenge so that the electricity supply is always available in any condition. One way that can be done to overcome the increase in excess current in the channel due to lightning strikes is by installing grounding with the Top Grounding method. It is known that the overhead transmission lines of Langsa - Lhokseumawe is one of the radial backbone lines of the Aceh system. Based on the disturbance in the first semester of 2024, there have been 4 lightning strikes on this line. This is certainly a small number, but every year there are always lightning strikes that cause equipment trips. The consequences are very significant because they can disrupt the optimization of the Arun PLTMG and Nagan Raya PLTU. Furthermore, if these two power plants are not ready when the Langsa - Lhokseumawe SUTT trip occurs, the Aceh system could enter a Black Out condition or total blackout. The factors that influence the determination of the location point for placing Top Grounding are based on the tower that is most often struck by lightning and including the resistance of the soil around the tower. Before being implemented, this system was simulated using the ATP Draw application.
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