CD Skripsi
Optimalisasi Perancangan Sistem Pentanahan Gardu Induk Pada Bentuk Permukaan Tanah T-Shape Menggunakan Etap 12.6.0
ABSTRACT
The grounding system is a safety system in for disturbances to electrical equipment, network disturbances against lightning strikes, and short circuit to the ground that can flow to human body. The purpose of this study is to optimizing design of substation grounding system with T-shape grid and compare the required cost. The method used is modification of the grid shape with addition and reduction of number of conductors for each grid axis in the T-shape grid design and also add rod conductors. Tolerable touch voltage is 737.6 V for 50 Kg body weight and 998.4 V for 70 Kg body weight and tolerable step voltage is 2458.2 V for 50 Kg body weight and 3327.1 V for 70 Kg body weight. Economical design is a design with T-Shape grid-rod combination with number of conductors on x axis = 8 and y = 20 with a total length of grid 1345 m and total length of rod 8 m. The Cost used by this design is Rp. 315.587.250 lower than the design which only uses grid with number of conductors on x axis= 10 and y = 23, total length of grid conductor is 1600 m with Rp. 373.200.000.
Keywords : ETAP, Substation, Optimize, Grounding.
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