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Agus Siswanto
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mestro@untagcirebon.ac.id
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Mestro
Published by Universitas 17 Agustus 1945 Cirebon
ISSN : -     EISSN : 26571072     DOI : doi.org/10.47685/mestro
Core Subject : Science, Engineering,
Automotive Engineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Engineering Industrial & Manufacturing Engineering
Mestro merupakan jurnal ilmiah dalam bidang ilmu pengetahuan dan teknologi yang diterbitkan oleh Fakultas Teknik Universitas 17 Agustus 1945 Cirebon, dalam satu tahun terbit dua kali terbitan yaitu bulan Juni dan Desember. Jurnal MESTRO mewadahi artikel hasil penelitian dan telaah ilmiah kritis dengan berbagai disiplin ilmu meliputi: Mechanical Engineering, Electrical Engineering, Civil Engineering, Computer Engineering and Manufacturing Engineering.
Arjuna Subject : Teknik (semua kategori) - Teknik Listrik dan Elektro
Articles 82 Documents
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Energy Balance, Capacity Sizing Verification, and Dioxin Risk Screening of a Titanium Structured Waste-to-Energy Incinerator: A Techno Thermal Case Study of PLTSa 10 MW Cirebon Safrizal Safrizal; Dias Prihatmoko; Agus Siswanto
Mestro: Jurnal Teknik Mesin dan Elektro Vol. 8 No. 01 (2026): Edisi Juni 2026
Publisher : Fakultas Teknik Universitas 17 Agustus 1945 Cirebon

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

As Indonesia accelerates its Waste-to-Energy (WtE) program through the Pembangkit Listrik Tenaga Sampah (PLTSa) initiative, independent technical verification of proposed projects is critical to avoid costly design miscalculations. This study presents a techno-thermal simulation and independent verification of a proposed titanium-structured incinerator for the 10 MW, 600 ton/day facility under feasibility study in Cirebon, covering (i) process temperature profiling and dioxin (PCDD/F) formation-risk zoning, (ii) a first-order energy balance from feedstock lower heating value (LHV) to net electrical output, and (iii) post-air-pollution-control (APC) emission compliance. The verification reveals three critical discrepancies. First, the assumed feedstock LHV of 3,363 kcal/kg is 1.5–2.6 times higher than the 1,290–2,270 kcal/kg range typically reported for raw, high-moisture Indonesian municipal solid waste. Second, the combined conversion efficiency of 18% is markedly lower than the 28–35% efficiency reported for modern WtE plants; these two assumptions act in partly offsetting directions, meaning their net effect on the reported 76% capacity mismatch cannot be resolved without plant-specific data. Third, a specific internal inconsistency was identified: the model's net-power formula is not capped at nameplate capacity, producing a physically impossible capacity factor of 135%. Benchmarking against five comparable Indonesian PLTSa projects (Surakarta, Surabaya–Benowo, Semarang, Palembang, and Cirebon itself) shows specific electricity yields of 220–527 kWh per ton of waste, within which the Cirebon plant's planned 10 MW/600 tpd (400 kWh/ton) falls squarely, suggesting the nameplate rating itself is a defensible design choice rather than an undersizing error. Dioxin-risk zoning, using a 400–650 °C de novo formation window, identifies the superheater, economizer, and air-heater zones as high risk; however, the 325 °C APC-inlet zone sits within the 250–350 °C peak de novo window reported in the literature, indicating the model's 400 °C lower bound may understate risk. Emission compliance analysis, cross-checked against the actual Indonesian thermal-waste-treatment standard (Permen LHK No. P.70/2016), shows that the model's sole reported "failure" (particulate matter) does not constitute regulatory non-compliance, as the modeled concentration of 25 mg/Nm³ is well within the national limit of 120 mg/Nm³. Consequently, the reported 76% capacity mismatch, while indicative, is not a validated design flaw. This finding underscores the necessity of grounding screening-level simulations in plant-specific data and verified local regulations to inform sound engineering, policy, and investment decisions in Indonesia's emerging WtE sector.
Penentuan Ukuran Optimal Turbin Angin dan Sistem Penyimpanan Energi Baterai untuk Keandalan Jaringan Listrik dan Pengurangan Emisi Karbon: Studi Kasus Pulau Karimunjawa, Indonesia Zaenal Ma’ruf; Ahmad Faidlon; Gita Adinda Indria Sari
Mestro: Jurnal Teknik Mesin dan Elektro Vol. 8 No. 01 (2026): Edisi Juni 2026
Publisher : Fakultas Teknik Universitas 17 Agustus 1945 Cirebon

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47685/mestro.v8i01.874

Abstract

Integrasi sumber energi terbarukan, seperti turbin angin, dengan sistem penyimpanan energi baterai (BESS) sangat penting untuk meningkatkan keandalan jaringan mikro pulau dan mengurangi emisi karbon dari pembangkit listrik berbasis diesel. Penelitian ini menyajikan analisis tekno-ekonomi dan lingkungan menggunakan skrip simulasi berbasis Python untuk menentukan ukuran optimal turbin angin Goldwind GW50-750 dan BESS guna memenuhi profil beban Pulau Karimunjawa, Indonesia, dengan Probabilitas Kehilangan Beban (LSLP) di bawah 5%. Analisis ini menggabungkan data angin selama 12 tahun (2004–2015), profil beban per jam, dan perhitungan emisi karbon berdasarkan penggantian pembangkit diesel dari PLTD Legon Bajak (2x2,2 MW). Hasil menunjukkan konfigurasi optimal berupa 2 turbin angin (kapasitas total 1,50 MW) dan BESS 100 MWh, yang mencapai LSLP 0,00% dan pengurangan karbon tahunan sebesar 6.964 ton CO₂-eq. Simulasi menunjukkan bahwa semua konfigurasi yang diuji memenuhi target keandalan berkat kapasitas cadangan diesel, dengan pengurangan karbon meningkat seiring penambahan kapasitas BESS hingga mencapai titik jenuh. Penghematan bahan bakar tahunan mencapai 2.598.701 liter, dengan manfaat ekonomi termasuk penghematan biaya bahan bakar sebesar Rp 31.184.413.441. Analisis sensitivitas mengonfirmasi ketahanan sistem terhadap variasi kecepatan angin. Pendekatan ini menyediakan kerangka kerja yang dapat diskalakan untuk perencanaan energi berkelanjutan di pulau-pulau terpencil.

Page 9 of 9 | Total Record : 82

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