Rachmando, Muhamad Delan (2025) Analisa Integrasi Sistem Single Wire Earth Return (SWER) ke Sistem Distribusi Tiga Fasa untuk Mendukung Elektrifikasi Pedesaan di Indonesia. Masters thesis, Institut Teknologi Sepuluh Nopember.
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Abstract
Roadmap elektrifikasi pedesaan Tahun 2022–2025 mencatat masih terdapat 2.471 desa belum berlistrik di Indonesia. Kondisi keterbatasan aksesibilitas, keamanan, dan karakteristik geografis serta tingginya biaya investasi konstruksi Jaringan menjadi tantangan dalam pembangunan listrik desa. Penelitian ini bertujuan untuk melakukan analisis komparatif integrasi sistem Single Wire Earth Return (SWER) dan sistem Three-Phase Three-Wire (TPTW) untuk mendukung elektrifikasi pedesaan di Indonesia. Studi kasus dilakukan pada tiga desa di Provinsi Kalimantan Selatan dengan panjang jaringan 34,14 kms menggunakan suplai on-grid dari jaringan eksisting penyulang 20 kV SLT04. Simulasi sistem dilakukan menggunakan perangkat lunak DIgSILENT Powerfactory untuk menganalisis aliran daya yaitu penurunan tegangan rugi daya, keandalan dan analisa gangguan, serta evaluasi finansial. Hasil penelitian menunjukkan sistem SWER mampu menjaga profil tegangan lebih stabil pada rentang 1,04–1,05 p.u., dibandingkan sistem TPTW yang mengalami penurunan hingga 0,8 p.u. Total losses sistem SWER tercatat sebesar 1,14 MW (34,12%) lebih tinggi dibandingkan TPTW. Dari aspek keandalan, SWER menunjukkan performa yang lebih baik dengan nilai SAIDI dan SAIFI ±11% lebih rendah, meskipun nilai ENS sedikit lebih tinggi sebesar 0,622 MWh per tahun. Pada analisa gangguan satu fasa ke tanah, sistem SWER menghasilkan nilai arus gangguan (〖Ik〗^'') lebih tinggi 0,066 kA dibandingkan TPTW. Secara finansial, sistem SWER memiliki CAPEX sebesar Rp7,04 miliar (31%) lebih rendah dan total OPEX tahunan yang lebih efisien dari sistem TPTW, serta mencapai BEP lebih cepat pada tahun ke-4,33 dibandingkan TPTW pada tahun ke-5,92. Temuan ini menunjukkan bahwa sistem SWER layak diterapkan di wilayah pedesaan dengan kepadatan beban rendah dan keterbatasan akses infrastruktur.
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The rural electrification plan for 2022–2025 indicates that 2,471 communities in Indonesia remain without electricity. Limited accessibility, safety concerns, geographical attributes, and substantial investment costs for establishing a 20 kV distribution network provide significant obstacles to rural electrification development. This study is to provide a comparative analysis of the integration of the Single Wire Earth Return (SWER) system and the Three-Phase Three-Wire (TPTW) system to facilitate rural electrification in Indonesia. The case study was executed in three villages in South Kalimantan Province, encompassing a network length of 34.14 km, powered on-grid by the existing 20 kV SLT04 feeder network. We utilized DIgSILENT PowerFactory software to conduct simulations of the systems to analyze electricity flow, examining parameters such as voltage drop, power loss, reliability, and short circuit cuurent, as well as financial evaluation. The research findings demonstrate that the SWER system can sustain a more stable voltage profile within the range of 1.04 – 1.05 p.u., in contrast to the TPTW system, which suffers a decline to 0.8 p.u. The cumulative losses of the SWER system were documented at 1.14 MW, representing a 34.12% increase compared to TPTW. Regarding reliability, SWER demonstrated superior performance with SAIDI and SAIFI values around 11% lower, however the ENS value was marginally higher at 0.622 MWh per annum. In the analysis of single-phase to ground faults, the SWER system produces fault currents (〖Ik〗^'') higher (0,066 kA) compared to TPTW. The SWER system incurs a CAPEX of Rp7.04 billion, which is 31% lower, and demonstrates a more efficient annual OPEX relative to the TPTW system, achieving the BEP at 4.33 years, compared to 5.92 years for TPTW. The findings indicate that the SWER system is suitable for deployment in rural regions characterized by low load density and restricted infrastructure access.
| Item Type: | Thesis (Masters) |
|---|---|
| Uncontrolled Keywords: | SWER, TPTW, profil tegangan, losses, keandalan,arus hubung singkat; CAPEX, OPEX, BEP, SWER, TPTW, voltage profile, losses, reliability, short circuit current, CAPEX, OPEX, BEP |
| Subjects: | T Technology > TK Electrical engineering. Electronics Nuclear engineering > TK1007 Electric power systems control |
| Divisions: | Faculty of Intelligent Electrical and Informatics Technology (ELECTICS) > Electrical Engineering > 20101-(S2) Master Thesis |
| Depositing User: | Muhamad Delan Rachmando |
| Date Deposited: | 24 Jul 2025 07:22 |
| Last Modified: | 24 Jul 2025 07:22 |
| URI: | http://repository.its.ac.id/id/eprint/121137 |
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