Abstract
Along with the rapid development of technology and the development of civilization, electrical energy is very important in all fields. This research will conduct a study on the electrical protection system design of PT Semen Padang's Indarung VI Cement Plant using the ETAP 12.6 software. PT Semen Padang's Indarung VI Cement Plant uses three transformers of 150 / 6.3 kV of 30/35 MVA (ONAN / ONAF) and each Main Substation has substations that will supply all the loads to be used. The power flow study shows that the addition of a capacitor bank and a tap changer setting will improve the power factor and voltage of the system, thereby reducing the power supply sent by PLN. The short circuit study shows that the largest short circuit current, which is 35 kA, can be protected by a circuit breaker with a breaking capacity of 40 kA. The protection system coordination study shows that the results of the overcurrent relay setting can protect the electrical system of Indarung VI Cement Plant selectively and safely.
Highlights
In 2016, the construction of a new cement plant, Indarung VI, was carried out. so that we need an electrical protection system design at Indarung VI cement plant
Calculating equipment electrical setting protections and current characteristic curves working time of relays for protection system coordination. Benefit of this design to get an efficient, safe, and economical electrical protection system design so that it can be used as a consideration for PT Semen Padang in designing the electrical system of PT Semen Padang's Indarung VI cement plant
LITERATURE REVIEW The electric power system consists of three main components, namely the electric power building system, the electric power transmission system and the electric power distribution system
Summary
In 2016, the construction of a new cement plant, Indarung VI, was carried out. so that we need an electrical protection system design at Indarung VI cement plant. B. What is the value of the short circuit current and the capability of the equipment in the electrical system of PT Semen Padang's Indarung VI cement plant when there is a short circuit fault? C. How is the calculation of protection relay settings and protection relay coordination in the electrical system of PT Semen Padang's Indarung VI cement plant? C. Calculating equipment electrical setting protections and current characteristic curves working time of relays for protection system coordination. Calculating equipment electrical setting protections and current characteristic curves working time of relays for protection system coordination Benefit of this design to get an efficient, safe, and economical electrical protection system design so that it can be used as a consideration for PT Semen Padang in designing the electrical system of PT Semen Padang's Indarung VI cement plant
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