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All Journal Jurnal Teknik Elektro TELKOMNIKA (Telecommunication Computing Electronics and Control) Bulletin of Electrical Engineering and Informatics PROSIDING CSGTEIS 2013 RELE: Rekayasa Elektrikal dan Energi Jurnal Teknik Elektro Techne : Jurnal Ilmiah Elektroteknika Jurnal Inovasi Hasil Pengabdian Masyarakat (JIPEMAS) Teknika International Journal of Renewable Energy Development Jurnal Teknik Elektro: Ilmu dan Teknologi
Yusak Tanoto
Petra Christian University
Computer Science & IT Control & Systems Engineering Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Engineering Other

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ANALISA DAYA PADA PEMANFAATAN PANEL SURYA MENGGUNAKAN INVERTER LIMITER Mika, Reinard Mika; Tumbelaka, Hanny Hosiana; Tanoto, Yusak
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Publisher : RELE (Rekayasa Elektrikal dan Energi) : Jurnal Teknik Elektro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30596/rele.v6i2.16051

Abstract

Sistem pembangkit listrik tenaga surya On-Grid skala kecil (panel surya) memiliki potensi besar untuk memenuhi kebutuhan energi listrik di rumah tinggal. Namun, ada beberapa kendala yaitu ada daerah yang tidak menyediakan pemasangan meter ekspor – impor dan biaya pemasangan meter ekspor – impor yang tidak murah. Salah satu alternatif solusi untuk permasalahan ini adalah dengan menggunakan Grid Tie Inverter with Limiter (GTIL) untuk mencegah energi berlebih masuk ke jaringan listrik. Pada saat energi yang dihasilkan panel surya lebih besar dari beban terpasang, maka GTIL membatasi daya yang dihasilkan oleh panel surya menjadi sesuai dengan kapasitas beban terpasang. Makalah ini membahas pemanfaatan GTIL dan analisa rugi daya dari penggunaan sistem limiter. Dari hasil analisa, diketahui bahwa sistem limiter bekerja dengan melakukan pergerseran titik kerja panel surya sesuai dengan daya total beban terpasang, dan rugi daya dapat dikurangi dengan melakukan alokasi daya yang dihasilkan ke baterai.
Clustering-based assessment of solar irradiation and temperature attributes for PV power generation site selection: A case of Indonesia’s Java-Bali region Tanoto, Yusak; Budhi, Gregorius Satia; Mingardi, Sean Frederick
International Journal of Renewable Energy Development Vol 13, No 2 (2024): March 2024
Publisher : Center of Biomass & Renewable Energy (CBIORE)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61435/ijred.2024.59998

Abstract

This study presents clustering-based assessments of solar attributes for locating potential solar photovoltaic (PV) power plant sites using k-means and density-based spatial clustering of applications with noise (DBSCAN) by examining the yearly average single-attribute and three-attribute clustering on a dataset of long-term hourly-based direct and diffuse irradiation, ambient temperature, and solar PV power output from 2005 to 2022. Three-attribute clustering enables stakeholders to better understand the characteristics of a cluster by collectively identifying three solar attributes and the magnitude of each attribute in an area or cluster. The presence of this information, which constitutes the clusters, suggests that these attributes have different effects on solar PV output power in different clusters. Although k-means is an effective method for investigating potential locations for PV power plant placements, DBSCAN offers users an alternative method for accomplishing a similar goal. In the case of three-attribute clustering of direct irradiation with k-means and DBSCAN, the 18-year mean value of clusters with the highest yearly average value is achieved at very similar values of 0.305 kW/m2 and 0.310 kW/m2, respectively. It turns out that only six years of direct irradiation had an annual mean value of less than 0.305 kW/m2. This finding implies that in the long run, the solar resources in terms of direct irradiation will typically surpass 0.3 kW/m2/MW installed capacity over all areas suitable for PV power plants. While focusing on the Java-Bali region, Indonesia, the findings, and methods appear to be of broader interest to policymakers, particularly in developing countries where solar PV is considered an option for sustainable energy generation.
The Role of Information and Communication Technology in Advancing Sustainable Energy Transition in Developing Countries: Progress, Opportunities and Challenges Tanoto, Yusak
Teknika Vol. 13 No. 3 (2024): November 2024
Publisher : Center for Research and Community Service, Institut Informatika Indonesia (IKADO) Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34148/teknika.v13i3.1068

Abstract

Sustainable energy transitions in developing countries are critical for balancing economic growth and environmental sustainability. Transitioning to renewable energy sources alleviates energy poverty and reduces reliance on fossil fuels. Information and communication technology (ICT) plays an important role in advancing the energy transition and achieving low-carbon energy utilization by facilitating the transition of power sectors to renewable energy sources. This paper provides an overview of the role of ICT in achieving sustainable energy transition in developing countries and jurisdictions. It emphasises the significance of SDG 7 and other sustainable energy transition indices for energy access and transition, as well as presenting their status and progress in various regions, including developing countries. This paper also discusses several types of available ICT tools and methods that enable digitalization in the power sector, such as smart grids, smart metres, energy management systems, Internet of Things (IoT) for energy, and renewable energy monitoring systems, as well as the opportunities and challenges of incorporating ICT into the context of developing countries' sustainable power sector.
KawanSurya: an Android-based mobile app for assessing the techno-economic potential of rooftop photovoltaic Tanoto, Yusak; Marvel, Christopher; Tumbelaka, Hanny H
Bulletin of Electrical Engineering and Informatics Vol 14, No 1: February 2025
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/eei.v14i1.8309

Abstract

Many developing countries, including Indonesia, are progressing poorly in residential rooftop photovoltaic (PV) adoption, including on-grid systems. On the customer side, the decision to implement on-grid rooftop PV or rely only on power from the utility grid has often been made without appropriate knowledge of techno-economic considerations. This includes the impression of high system costs. This paper introduces KawanSurya: PV calculator, a solar rooftop PV techno-economic application for Android mobile phones, designed to help residential customers assess the potential of installing on-grid rooftop PV systems. The tool allows users to select a specific geographic location, calculate daily load profiles, and determine available roof areas. It uses irradiance data from the PVGIS API and HOMER’s solar PV output equation to determine hourly PV output power. Simulation results for a typical 2,200 VA household show a payback period of 9.44 years or beyond, significantly influenced by electrical load profiles and bill reduction factors. A 65% bill reduction factor and similar load profile prolong the payback period, while a 0% billing reduction factor or uncompensated electricity sales may exceed the project’s lifetime.
Assessing the potential of small wind turbine electricity generation for small-sized hotels towards sustainable tourism in developing countries Tanoto, Yusak; Jasman, Brandon Sebastian; Ananda, Stephanus Antonius
International Journal of Renewable Energy Development Vol 14, No 3 (2025): May 2025
Publisher : Center of Biomass & Renewable Energy (CBIORE)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61435/ijred.2025.61019

Abstract

The persistent reliance on fossil fuels for energy will yield enduring adverse effects on the tourism sector, particularly the hotel industry. Wind energy represents a renewable electricity source that can facilitate the transition of small-scale hotels to clean energy. The main objective of this research is to propose a methodology for evaluating the potential of wind energy to support sustainable tourism in developing nations, specifically in fulfilling the electricity requirements of small hotels. This study aims to assess and compare the potential contribution of small wind turbines to hotel energy demand by modelling a historical hourly wind dataset spanning ten years (2011-2020) and forecasting a portion of the dataset. This research selected three sites in Indonesia exhibiting varying wind energy potentials: Tepus District in Gunung Kidul Regency, Losari Beach in Makassar City, and Nusa Penida Island in Bali. This study utilises multiple linear regression to examine the impact of external variables on wind speed, and it applies Seasonal Autoregressive Integrated Moving Average (SARIMA) and Holt-Winters Exponential Smoothing (HWES) for wind speed forecasting in these three locations. The hourly and daily interval datasets analysis reveals a weak correlation between external factors and wind speed, with the HWES method identified as the most appropriate approach for modelling and forecasting wind speed, surpassing the SARIMA model by 0.309 RMSE. Forecasting results indicate that a 30-kW wind turbine could supply 8.8 - 35.3% of a small hotel's electricity consumption, depending upon the occupancy rate.
Pemanfaatan teknologi digital marketing untuk menunjang operasional mini-hidroponik berbasis energi terbarukan dan internet of things Tanoto, Yusak; Khoswanto, Handry; Anggono, Willyanto; Anggung, Katlyn Maclain; Setiawan, Vincentia Evangeline
Jurnal Inovasi Hasil Pengabdian Masyarakat (JIPEMAS) Vol 7 No 1 (2024)
Publisher : University of Islam Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33474/jipemas.v7i1.20871

Abstract

Pengembangan income generation merupakan salah satu potensi yang dapat dikembangkan di Sekolah SMA Advent Surabaya dalam rangka pemberdayaan siswa, yang dapat diupayakan melalui pemanfaatan fasilitas dan sarana pembelajaran luar ruangan. Salah satu cara yang dapat dilakukan ditengah tantangan keterbatasan lahan di sekolah ini adalah menerapkan kombinasi metode pengembangan komunitas dan service learning, dimana salah satu aktivitanya adalah pelatihan pemanfaatan platform dan teknologi digital marketing yang diikuti oleh siswa pengurus OSIS untuk menunjang operasional mini-hidroponik berbasis energi terbarukan dan internet of things. Dalam kegiatan ini, wawasan siswa tentang konsep, metode dan contoh kegunaan teknologi digital marketing diuji dan dievaluasi. Salah satu indikasi keberhasilan pelatihan digital marketing yang terkait dengan pemahaman siswa tentang konsep dan kegunaan teknologi digital marketing sebagai sarana edukasi dan promosi hasil budidaya tanaman hidroponik adalah nilai post-test yang lebih baik daripada pre-test, di samping dihasilkannya desain konten poster Instagram yang menarik yang dibuat oleh kelompok siswa. Kegiatan pelatihan digital marketing telah berlangsung dengan baik dan memberikan manfaat bagi peserta menuju pengembangan komunitas sekolah yang mengelola sistem mini-hidroponik. Dalam konteks pemberdayaan siswa dan pengembangan sekolah, tim abdimas mengupayakan keberlanjutan capaian kegiatan melalui kerjasama dengan sekolah untuk mengadakan kegiatan pendampingan lanjutan dalam rangka pemanfaatan dan pengembangan instalasi mini-hidroponik.
Audit Energi Tipe-1 Motor Induksi TEFC: Studi Kasus pada Perusahaan Industri Makanan Ringan di Jawa Timur Tanoto, Yusak; Setiadji, Julius Sentosa
Techné : Jurnal Ilmiah Elektroteknika Vol. 24 No. 2 (2025)
Publisher : Fakultas Teknik Elektronika dan Komputer Universitas Kristen Satya Wacana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31358/techne.v24i2.636

Abstract

Audit energi pada motor listrik merupakan salah satu aspek prosedur penting dalam rangka implementasi menajemen sistem energi listrik. Audit energi pada motor sangat diperlukan untuk mengetahui kondisi kinerja motor, terutama terkait dengan konsumsi energi listrik aktual motor yang dipengaruhi oleh tingkat pembebanan dan efisiensi aktual motor pada tingkat pembebanan tertentu. Makalah ini membahas pelaksanaan audit energi tipe-1 (walk through audit) motor listrik induksi TEFC (Totally Enclosed Fan Cooled) pada sebuah industri manufaktur makanan ringan di Jawa Timur. Pembahasan mencakup identifikasi masalah, perencanaan, termasuk prosedur pelaksanaan, analisa rekomendasi alternatif solusi, hingga penerapan, evaluasi, dan rencana perbaikan. Analisa penghematan energi dan biaya operasional energi listrik yang dilakukan didasarkan pada pendekatan pengukuran arus motor dalam rangka mendapatkan estimasi pembebanan. Dari hasil analisa didapatkan potensi penghematan biaya listrik hingga Rp. 210,000,000 per tahun jika rekomendasi audit diimplementasikan terhadap sekitar 50% dari total jumlah motor. Dengan asumsi penghematan daya listrik rata-rata per motor sebesar 0.2 kW, didapatkan potensi pengembalian modal investasi yang cukup atraktif, yaitu antara 1-5 tahun.
Utility-scale wind power generation potential in low-wind regions: Insights for achieving the sustainable energy transition in developing countries Tanoto, Yusak; Diprasetya, Leonardo; Enano, Nelson Jr; Warpindyasmoro, Heri Saptono
International Journal of Renewable Energy Development Vol 15, No 3 (2026): May 2026
Publisher : Center of Biomass & Renewable Energy (CBIORE)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61435/ijred.2026.61756

Abstract

Wind energy represents a promising resource for accelerating the transition to renewable energy and meeting global net-zero emission targets. While wind turbines have generated considerable amounts of electricity in specific regions of four-season countries, their potential in low-wind countries is generally limited, thereby inhibiting further investigation. However, advancements in wind turbine design and wind resource databases have provided new opportunities for assessing utility-scale wind energy potential. Therefore, this study assessed the potential for utility-scale wind power generation in low-wind regions of Indonesia's Java–Bali region. The Weibull distribution of wind speed and theoretical energy output were investigated using 10-year hourly temporal-based wind speed data collected at 100 m height from 2006 to 2015. The National Renewable Energy Laboratory (NREL) power density classification was used to identify locations for energy generation analysis under wind turbine capacities of 1, 2, and 2.5 MW. The trade-offs between the average energy output over ten years and capacity factors were also considered. The results showed that the Ujungjaya area in Pandeglang Regency, Banten Province, has the potential to produce an estimated 13,916 MWh of energy per year using the 2.5 MW turbine with a capacity factor of 60.5% and Weibull parameters k and c of 2.49 and 8.22, respectively. The annual wind-based electricity generation potential of selected locations revealed that low-wind regions of Indonesia should not be overlooked when strategically planning wind energy utilisation to support the sustainable energy transition. In addition, the results have important implications for including additional wind energy in the energy mix of developing countries with similar low-wind regimes.
Co-Authors Anggung, Katlyn Maclain Charles O.P. Marpaung Christian Khandy Lestanto Diprasetya, Leonardo Emmy Hosea Emmy Hosea Enano, Nelson Jr Gregorius Satia Budhi Handry Khoswanto Jasman, Brandon Sebastian Khristian Khandy Lestanto Limboto Limantara Marvel, Christopher Mehang, Tirta Samuel Mika, Reinard Mika Mingardi, Sean Frederick Murtiyanto Santoso Murtiyanto Santoso Nikijuluw, Rendra Yonatan Ratna Shinta Dewi Setiadji, Julius Sentosa Setiawan, Vincentia Evangeline Stephanus Antonius Ananda Tirta Samuel Mehang Tumbelaka, Hanny H Tumbelaka, Hanny Hosiana Warpindyasmoro, Heri Saptono Weerakorn Ongsakul Willyanto Anggono Windoe, Jestman Martiq