EVALUASI KAPASITAS DAYA DIESEL ENGINE GENERATOR UNTUK MENCUKUPI BEBAN LISTRIK PERALATAN DI STASIUN MRT SENAYAN SAAT TERJADI KONDISI EMERGENCY

FIRDAUS, MOHAMMAD (2021) EVALUASI KAPASITAS DAYA DIESEL ENGINE GENERATOR UNTUK MENCUKUPI BEBAN LISTRIK PERALATAN DI STASIUN MRT SENAYAN SAAT TERJADI KONDISI EMERGENCY. S1 thesis, Universitas Mercu Buana Jakarta.

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Abstract

MRT Jakarta is one of the providers of electric Train transportation services in Jakarta. Track of MRT is built with elevated and underground construction which is the first subway tunnel in Indonesia. MRT Jakarta has 6 underground stations where each station is installed with 1 DEG (Diesel Engine Generator) which functions to produce alternative or temporary replacement electricity when the electricity supply from the power generation industry (PLN) goes out / off. On August 4, 2019 at 11.00 WIB a blackout occurred where all MRT stations were completely off so that DEG (Diesel Engine Generator) was automatically activated to supply electricity to the underground area station. However, the DEG (Diesel Engine Generator) at Senayan station experienced a trip due to the peak load condition of the TVF (Tunnel Ventilation Fan) equipment which automatically activated during an emergency where the electricity supply at the station was completely cut off. For the problems that the author discussed in the paragraph above, it is necessary to increase the power capacity of DEG (Diesel Engine Generator) which is used especially at the Senayan station. The author conducted several stages of analysis to obtain the required DEG (Diesel Engine Generator) capacity. First, identify problems that exist at the location of the equipment. second, collecting data related to equipment and the total load used at the station. Third, do the calculations manually by calculating the total power at the load supplied by DEG (Diesel Engine Generator) when an emergency occurs, then calculate the output current from the load, after that the calculation of the power capacity for DEG (Diesel Engine Generator) will be used at the Senayan station. Fourth, calculate the safety current rating to determine the type of ACB (Air Circuit Breaker) used by DEG (Diesel Engine Generator), and calculating the KHA (Conductivity Current) to find out the cross-sectional area of the cable needed for the DEG (Diesel Engine Generator). The calculation result of the total load power supplied by DEG (Diesel Engine Generator) during an emergency at Senayan station is 1363.41 kVA, with the output current from the load of 2074 Ampere, the calculation result of the power capacity needed to supply the load to the Senayan station is 1500 kVA.. After knowing the power capacity of the generator, it can be seen that the breaker used is 3200 Ampere and the feeder cable capacity is 2 x 4 x 630mm². Keywords : Diesel Engine Generator, Undergroumd, Ampere, Air Circuit Breaker MRT Jakarta adalah salah satu penyedia layanan transportasi kereta rel listrik di Jakarta. Jalur rel MRT dibangun dengan konstruksi layang (elevated) dan di bawah tanah (underground)/terowongan yang merupakan terowongan kereta bawah tanah pertama di Indonesia. MRT Jakarta memiliki 6 stasiun underground dimana di setiap stasiun tersebut terpasang 1 DEG (Diesel Engine Generator) yang berfungsi untuk menghasilkan daya listrik alternatif atau pengganti sementara ketika pasokan daya listrik dari industri pembangkit listrik (PLN) padam/off. Pada tanggal 04 Agustus 2019 pukul 11.00 WIB telah terjadi blackout dimana seluruh stasiun MRT mati total sehingga DEG (Diesel Engine Generator) otomatis aktif untuk mensuplai kelistrikan di stasiun area underground. Akan tetapi DEG (Diesel Engine Generator) pada stasiun senayan terjadi trip akibat kondisi beban puncak dari peralatan TVF (Tunnel Ventilation Fan) yang otomatis aktif ketika kondisi emergency dimana suplai listrik hilang total di stasiun. Untuk permasalahan yang penulis bahas pada paragraf diatas, perlu dilakukan upgrade kapasitas daya pada DEG (Diesel Engine Generator) yang digunakan khususnya di stasiun MRT Senayan. Penulis melakukan beberapa tahap analisis untuk mendapatkan kapasitas DEG (Diesel Engine Generator) yang diperlukan. Tahap pertama, identifikasi masalah yang ada di lapangan. kedua, melakukan pengambilan data terkait peralatan serta total beban yang digunakan di stasiun. Ketiga, melakukan perhitungan secara manual yaitu dengan menghitung total daya pada beban yang disuplai DEG (Diesel Engine Generator) Ketika terjadi emergency, kemudian menghitung arus keluaran dari beban, setelah itu dilakukan perhitungan kapasitas daya untuk DEG (Diesel Engine Generator) yang akan digunakan pada stasiun MRT Senayan. Keempat, melakukan perhitungan rating arus pengaman untuk mengetahui jenis ACB (Air Circuit Breaker) yang digunakan DEG (Diesel Engine Generator), serta menghitung KHA (Kuat Hantar Arus) untuk mengetahui luas penampang kabel yang dibutuhkan untuk DEG (Diesel Engine Generator). Hasil Perhitungan total daya beban yang disuplai DEG (Diesel Engine Generator) Ketika terjadi emergency di stasiun senayan adalah sebesar 1363.41 kVA, dengan arus keluaran dari beban sebesar 2074 Ampere, sehingga didapat hasil dari perhitungan kapasitas daya yang dibutuhkan untuk mensuplai beban di stasiun MRT Senayan adalah sebesar 1500 kVA. Setelah diketahui kapasitas daya dari genset maka dapat diketahui breaker yang digunakan sebesar 3200 Ampere dan kapasitas kabel penyulang yang digunakan adalah 2 x 4 x 630mm². Kata kunci : Diesel Engine Generator, Undergroumd, Ampere, Air Circuit Breaker

Item Type: Thesis (S1)
NIM/NIDN Creators: 41419110107
Uncontrolled Keywords: Diesel Engine Generator, Undergroumd, Ampere, Air Circuit Breaker
Subjects: 600 Technology/Teknologi > 620 Engineering and Applied Operations/Ilmu Teknik dan operasi Terapan
600 Technology/Teknologi > 620 Engineering and Applied Operations/Ilmu Teknik dan operasi Terapan > 621 Applied Physics/Fisika terapan
600 Technology/Teknologi > 620 Engineering and Applied Operations/Ilmu Teknik dan operasi Terapan > 621 Applied Physics/Fisika terapan > 621.3 Electrical Engineering, Lighting, Superconductivity, Magnetic Engineering, Applied Optics, Paraphotic Technology, Electronics Communications Engineering, Computers/Teknik Elektro, Pencahayaan, Superkonduktivitas, Teknik Magnetik, Optik Terapan, Tekn
Divisions: Fakultas Teknik > Teknik Elektro
Depositing User: Dede Muksin Lubis
Date Deposited: 27 Jan 2022 04:12
Last Modified: 27 Jan 2022 04:12
URI: http://repository.mercubuana.ac.id/id/eprint/54585

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