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Perencanaan Perluasan Pembangkitan dan Transmisi Berkelanjutan Menggunakan MOPSO-BPSO di Jaringan Listrik Astuty; Zainal Sudirman
Jurnal Nasional Teknik Elektro dan Teknologi Informasi Vol 14 No 3: Agustus 2025
Publisher : This journal is published by the Department of Electrical and Information Engineering, Faculty of Engineering, Universitas Gadjah Mada.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jnteti.v14i3.20795

Abstract

As of 2023, approximately 85% of power plants operating in South Sulawesi relied on fossil fuels, such as coal, gas, and oil. To meet the increasing demand for electricity while reducing carbon emissions, it is essential to integrate renewable energy sources into the power system. Renewable energy not only helps conserve fossil fuels but also supports global environmental sustainability. South Sulawesi possesses significant hydro potential, offering opportunities to develop both small and large-scale hydroelectric power plants (pembangkit listrik tenaga air, PLTA). This study employed a multi-objective particle swarm optimization (MOPSO) approach to develop optimal scenarios for generation expansion planning (GEP), and binary particle swarm optimization (BPSO) to determine the necessary transmission expansion planning (TEP). The planning process was supported by long-term load forecasting using the moving average method based on historical electricity demand data in South Sulawesi. Results showed that the proposed integrated GEP and TEP optimization framework successfully identified an optimal scenario maximizing renewable energy used while ensuring transmission reliability. By 2030, PLTA is projected to contribute 67.9% of total electricity generation. Meanwhile, steam-fired power plants (pembangkit listrik tenaga uap, PLTU) become the mainstay with capacities reaching 437.5 MW. To support this scenario, nine new transmission lines are needed, along with the expansion of 25 existing lines to accommodate increased power flow within the interconnection system.
Konteks Sosial dan Konteks Sejarah dalam Novel Senja di Jakarta Karya Mochtar Lubis: Tinjauan Sosiologi Sastra Georg Lukacs Mayriskha, Diva; Astuty; Dewi, Liana Sinta
Kajian Bahasa dan Sastra (KABASTRA) Vol. 3 No. 1 (2023): Kajian Bahasa dan Sastra (KABASTRA)
Publisher : UPA Bahasa Universitas Tidar And HISKI Kedu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31002/kabastra.v3i1.934

Abstract

This research is motivated by the phenomena of the social context and historical context that appear in sentences in the novel Senja di Jakarta and contain historical events that have been experienced by Indonesia. The purpose of this study is to obtain a description of the social context and historical context contained in the novel Senja di Jakarta by Mochtar Lubis. This study uses a qualitative descriptive analysis with social context and historical context research subjects. The data used are in the form of words, phrases, sentences, and discourse while the research source used is the novel Senja di Jakarta by Mochtar Lubis. The results of this study found three forms of social context, namely socio-political aspects, economic aspects, and socio-cultural aspects. There are five categories of socio-political aspects, six categories of economic aspects, and four categories of socio-cultural aspects. The historical context contains five categories which include KNIL troops, the Japanese occupation, the handover of power by the Dutch to RIS and NICA, the debate over the Irian Jaya region at the United Nations, and the betrayal of Indonesians who supported NICA.
MEMBEDAH DIALOG ACARA DUA SISI “UU ORMAS MENCIDERAInDEMOKRASI?” DENGAN TEORI BREAK DAN PENDEKATAN LINGUISTIK FORENSIK: KAJIAN POLITIK HUKUM Astuty; Susilowati, Tri
Judge : Jurnal Hukum Vol. 5 No. 03 (2024): Judge : Jurnal Hukum
Publisher : Cattleya Darmaya Fortuna

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54209/judge.v5i03.960

Abstract

A crime is not just a physical force, it will still be a crime can also be done through language. Forensic linguistics is a language science that analyzes crime in terms of what criminals are used. the research in this article discusses a two-sided event with the theme of "ORMAS legislation offending democracy?" the data in this study is the speech of the source and also the text of ORMAS law which will be discussed with the main theory of BREAK and the supporting theories is the theory of leniency in language and also policy analysis in forensic linguist's view.