Kurniawan, Ilham Eric (2023) Studi Performansi Sistem Interkoneksi 230 kV Batam-Singapura dengan Adanya Pembangunan PLTS 600 MWp di Pulau Ngenang. Other thesis, Institut Teknologi Sepuluh Nopember.
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Abstract
Berdasarkan Rencana Usaha Penyediaan Tenaga Listrik PLN (RUPTL-PLN) 2021-2030, Indonesia berencana untuk melakukan ekspor energi listrik dengan melakukan interkoneksi Sistem Sumatera ke Sistem Singapura dimana transfer energi dapat diklaim sampai dengan 100 persen dari EBT. Akan tetapi, dalam interkoneksi pembangkit EBT khususnya Pembangkit Listrik Tenaga Surya (PLTS), terdapat potensi permasalahan yang akan muncul sehingga diperlukan kajian mengenai perfomansi sistem kelistrikan eksisting ketika ada penambahan PLTS skala besar. Studi performansi dilakukan pada sistem kelistrikan Batam-Bintan akibat penambahan PLTS di Pulau Ngenang dengan melakukan simulasi pada ETAP PowerStation untuk mengantisipasi potensi gangguan dan menentukan performansi terbaik sistem Batam-Bintan. Penelitian dilakukan pada kondisi beban puncak 2023 dengan pembangkitan maksimum dari PLTS. Hasil menunjukkan terdapat rata-rata penurunan tegangan sebesar 0,99%, rata-rata peningkatan loading saluran sebesar 11,7%, peningkatan transfer daya terbesar yaitu 140 MW pada saluran Ngenang – Tanjung Kasam, dan peningkatan kerugian daya sistem sebesar 52 MW. Peningkatan juga terdapat peningkatan arus hubung singkat terbesar yaitu 30 kA pada Bus Ngenang sehingga perlu evaluasi menyeluruh terhadap kapasitas peralatan proteksi. Pada nilai Total Harmonic Distortion (THD) tegangan memiliki nilai terbesar mencapai 38% pada Bus Load Ngenang. Di sisi lain, kestabilan transien sistem Batam-Bintan masih tetap terjaga dengan nilai Critical Clearing Time (CCT) sebesar 0,203 detik. Dari hasil analisis tersebut dapat dilakukan ekspor energi listrik menuju Singapura sebesar 275 MW dan berpotensi untuk membantu suplai daya sistem kelistrikan Batam-Bintan pada tahun mendatang.
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Based on the PLN’s Electricity Business Plan (RUPTL-PLN) by 2021-2030, Indonesia plans to export electrical energy by interconnecting the Sumatra System to the Singapore System where energy transfers can be claimed up to 100 percent of renewable energy. However, in the interconnection of renewable energy, especially Solar Power Plants, there are potential problems that will arise so that research is needed to determine the performance of the existing electrical system when large-scale Solar Power Plant is added. Performance studies were carried out on the Batam-Bintan electrical system due to the addition of Solar Power Plant on Ngenang Island by simulations using ETAP PowerStation to anticipate potential disturbances and determine the best performance of the Batam-Bintan electricity system. The research was carried out at peak load conditions in 2023 with maximum generation from Solar Power Plant. The results show that there is an average voltage drop of 0.99%, an average increase in line loading of 11.7%, the largest increase in power transfer is 140 MW on the Ngenang – Tanjung Kasam transmission line, and an increase in system power losses of 52 MW. There is also an increase in the largest short circuit current of 30 kA on the Ngenang Bus, so a thorough evaluation of the capacity of the protection equipment is necessary. In the value of Total Harmonic Distortion (THD) the voltage has the greatest value reaching 38% on the Ngenang Bus Load. On the other hand, the transient stability of the Batam-Bintan system is remains stable with a Critical Clearing Time (CCT) value of 0.203 seconds. From the results of this analysis, it is possible to export 275 MW of electrical energy to Singapore and has the potential to help power supply for the Batam-Bintan electricity system in the coming year.
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