STUDI INTERKONEKSI PEMBANGKIT LISTRIK TENAGA SURYA APUNG 48 MWac PADA SISTEM KELISTRIKAN SUMATERA BAGIAN TENGAH TAHUN 2025
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Institusion
Institut Teknologi Perusahaan Listrik Negara
Author
ESTAULI PARDOSI, TUJUST
Satya Dini, Hasna
Satya Dini, Hasna
Subject
Teknik Elektro
Datestamp
2022-11-04 07:26:41
Abstract :
As the load grows every year, the demand for electrical energy increases. Therefore, to improve system reliability and meet consumer needs, it is planned to add a 48 MWac Solar Power Plant at Lake Singkarak in accordance with the 2021 - 2030 RUPTL which will be interconnected with the Padang Panjang GI. The method used is a quantitative method. The analysis carried out is optimizing the PLTS output power on PVsyst 7.2, power flow, short circuit and transient in the Central Sumatra system using Digsilent Power Factory 15.1 then the voltage data at the Padang Panjang Substation has increased from 149.48 kV to 149.95 kV after the integration of PLTS and the percentage of power losses decreased from 5.9% to 4.3%. The intermittent PLTS Floating does not affect the stability of the Central Sumatra electricity system and only results in a slight decrease in frequency from 50 Hz to 49.996 Hz and is still within the standard limit referring to Connection Code Code 3.1 2020, which is within the limit of 49.0 Hz < f 51.0 Hz where the system is still allowed to operate continuously and the voltage fluctuates from 147.6 kV to 147.375 kV then returns to a stable point of 147.508 kV indicating the system is still stable referring to Connection Code 3.2 2020 where the standard voltage drop of 150 kV is (+10%, -10 %).
As the load grows every year, the demand for electrical energy increases. Therefore, to improve system reliability and meet consumer needs, it is planned to add a 48 MWac Solar Power Plant at Lake Singkarak in accordance with the 2021 - 2030 RUPTL which will be interconnected with the Padang Panjang GI. The method used is a quantitative method. The analysis carried out is optimizing the PLTS output power on PVsyst 7.2, power flow, short circuit and transient in the Central Sumatra system using Digsilent Power Factory 15.1 then the voltage data at the Padang Panjang Substation has increased from 149.48 kV to 149.95 kV after the integration of PLTS and the percentage of power losses decreased from 5.9% to 4.3%. The intermittent PLTS Floating does not affect the stability of the Central Sumatra electricity system and only results in a slight decrease in frequency from 50 Hz to 49.996 Hz and is still within the standard limit referring to Connection Code Code 3.1 2020, which is within the limit of 49.0 Hz < f 51.0 Hz where the system is still allowed to operate continuously and the voltage fluctuates from 147.6 kV to 147.375 kV then returns to a stable point of 147.508 kV indicating the system is still stable referring to Connection Code 3.2 2020 where the standard voltage drop of 150 kV is (+10%, -10 %).
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