CD Skripsi
Analisis Konfigurasi Dan Kinerja Arrester Untuk Memproteksi Gardu Induk Terhadap Gangguan Impuls Petir Menggunakan Software Atp-Emtp
Electrical energy is one of the most important and often used energy in life. To maintain the availability of electricity, it takes a power company to manage the electricity needs. One of the things that affect the reliability of the equipment is need to know the configuration of the electrical equipment protective device. As known that transmission line is very vulnerable to lightning strikes that produce a traveling wave. It can enter the substation and make the existing equipment in danger. Therefore the aim of this research is to analyze the configuration and performance of the arrester to protect from impulse lightning. This study was conducted by simulating the lightning strikes on equipment using ATP-EMTP software by varying the strike and the distance of the arrester protection. The result of the simulation by varying the distance from 6.7 m, 9 m, 15 m, 21 m, 28.5 m, the safer distance and the smaller peak voltage which is protected by the arrester to the transformer is 9 meters from the current variation at 20 kA, 40 kA, and 60 kA where the lowest peak voltage of phases A, B, and C are compared with other distances. Then the distance 9 m better than the distance of 6.7 m used by PT.PLN (Persero) Garuda Sakti Substation.
Keywords: Arrester, ATP-EMTP, Arrester configuration.
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