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All Journal QALAMUNA: Jurnal Pendidikan, Sosial, dan Agama INVOTEK: Jurnal Inovasi Vokasional dan Teknologi Jurnal Pengabdian Pada Masyarakat PINUS: Jurnal Penelitian Inovasi Pembelajaran JURNAL CEMERLANG: Pengabdian pada Masyarakat Jurnal Teknik Elektro dan Komputer TRIAC Faktor Jurnal Ilmiah Kependidikan JASIEK (Jurnal Aplikasi Sains, Informasi, Elektronika dan Komputer) Jurnal Abdi: Media Pengabdian Kepada Masyarakat Jurnal Paedagogy ELECTRA : Electrical Engineering Articles Daengku: Journal of Humanities and Social Sciences Innovation Journal of Advanced Technology and Multidiscipline (JATM) Jurnal Pengabdian Pada Masyarakat METHABDI Jurnal Pengembangan Masyarakat Lokal
yuniahastuti, irna tri
Program Studi Teknik Elektro, Fakultas Teknik, Universitas PGRI Madiun
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ANALISIS OPTIMASI DAYA PLTS ON GRID PADA KANTOR JASAMARGA NGAWI KERTOSONO Yuli Indra Setiawan Indra; Ina Sunaryantiningsih; Irna Tri Yuniahastuti
ELECTRA : Electrical Engineering Articles Vol. 6 No. 1 (2025)
Publisher : UNIVERSITAS PGRI MADIUN

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25273/electra.v6i1.23065

Abstract

Abstrak Peningkatan kebutuhan energi listrik menuntut diversifikasi sumber energi dengan memanfaatkan energi terbarukan. Energi surya dipilih karena potensi radiasi matahari di Indonesia, khususnya Jawa Timur, sangat tinggi sepanjang tahun. Penelitian ini bertujuan mengevaluasi kinerja Pembangkit Listrik Tenaga Surya (PLTS) on-grid di Kantor Jasa Marga Ngawi–Kertosono, Jawa Timur. Penelitian dilaksanakan September–Oktober 2024 dengan pendekatan kuantitatif deskriptif. Instrumen yang digunakan meliputi multimeter untuk mengukur tegangan dan arus, data logger untuk merekam daya serta kondisi lingkungan, dan perangkat lunak Microsoft Excel untuk pengolahan data. Data penelitian terdiri atas hasil pengukuran lapangan serta catatan historis daya harian PLTS. Analisis dilakukan melalui perhitungan statistik deskriptif, visualisasi data, perbandingan antara daya aktual dan teoretis, serta evaluasi indikator performa seperti daya puncak, efisiensi konversi, fill factor (FF), dan performance ratio (PR). Hasil menunjukkan energi harian berkisar 40,2–69 kWh dengan rata-rata 52,9 kWh, total produksi 3.232,2 kWh, daya puncak 9,3 kW, efisiensi inverter 98–100%, serta FF rata-rata 0,792. Nilai PR mencapai 95% pada September dan 98% pada Oktober, dengan rata-rata 96%. Temuan ini membuktikan bahwa sistem PLTS beroperasi stabil, efisien, dan layak dijadikan model penerapan energi terbarukan di sektor publik, sekaligus dasar strategi pengembangan energi berkelanjutan di Indonesia. Abstract The increasing demand for electricity requires diversification of energy sources through the utilization of renewable energy. Solar energy is considered highly potential in Indonesia, particularly in East Java, which has high solar radiation throughout the year. This study aims to evaluate the performance of an on-grid Solar Power Plant (PLTS) installed at the Jasa Marga Ngawi–Kertosono Office, East Java. The research was conducted from September to October 2024 using a descriptive quantitative approach. The instruments employed included a multimeter to measure voltage and current, a data logger to record power and environmental conditions, and Microsoft Excel software for data processing. The dataset consisted of primary field measurements and secondary data of daily historical power records. Analysis was carried out using descriptive statistics, data visualization, comparison between actual and theoretical power, and evaluation of key performance indicators such as peak power, conversion efficiency, fill factor (FF), and performance ratio (PR). The results showed daily energy production ranging from 40.2 to 69 kWh with an average of 52.9 kWh, total output of 3,232.2 kWh, peak power of 9.3 kW, inverter efficiency of 98–100%, and an average FF of 0.792. The PR reached 95% in September and 98% in October, with an average of 96%. These findings confirm that the PLTS system operates stably, efficiently, and can serve as a model for renewable energy implementation in the public sector, while providing a basis for strategies to optimize sustainable energy development in Indonesia.
Development of an Energy Teaching Kit to Foster Computational Thinking Skills of Primary Students in the Renewable Energy Subject Swasti Maharani; Irna Tri Yuniahastuti; Vera Dewi Susanti; Fida Rahmantika Hadi; Putri Sindy Wibisono
QALAMUNA: Jurnal Pendidikan, Sosial, dan Agama Vol. 17 No. 2 (2025): Qalamuna - Jurnal Pendidikan, Sosial, dan Agama
Publisher : Lembaga Penerbitan dan Publikasi Ilmiah Program Pascasarjana IAI Sunan Giri Ponorogo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37680/qalamuna.v17i2.8012

Abstract

This research aimed to develop the Energy Teaching Kit as a learning medium to enhance elementary students’ computational thinking skills in science learning. The study employed a Research and Development (R&D) design, utilizing the ADDIE model, which comprises the stages of Analysis, Design, Development, Implementation, and Evaluation. The participants were elementary school students from both public and private schools in Madiun City. Data were collected through tests and questionnaires during the implementation phase. The results indicate that the developed medium achieved a validity score of 86%, demonstrating that its content, structure, and functionality meet expert criteria. The practicality level reached 87.05%, indicating that the medium is easy to use and has been positively received by teachers and students. Its effectiveness is supported by an N-gain score of 52.76%, indicating a moderate level of improvement in students’ computational thinking skills. Overall, these findings confirm that the Energy Teaching Kit is valid, practical, and effective for classroom use. Future research may examine its integration with digital sensors, its scalability across different grade levels, and the support it provides for teacher professional development to optimize implementation.
Sensorless Solar Tracker Optimization on Photovoltaic (PV) Arizhal Firmansyah; Irna Tri Yuniahastuti; Churnia Sari
Jurnal Teknik Elektro dan Komputer TRIAC Vol 11, No 2 (2024): Oktober 2024
Publisher : Jurusan Teknik Elektro Universitas Trunojoyo Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/triac.v11i2.27073

Abstract

The development of renewable energy technology is getting more rapid, one of which is using solar energy through photovoltaic (PV) systems. A solar tracker is a device used to optimize the absorption of sunlight by solar panels by following the sun's movement. However, using sensors on solar trackers often requires quite complicated manufacturing. Therefore, this research aims to design a sensorless solar tracker on a photovoltaic (PV) system. The method in this study is to attach the actuator motor to the solar panel frame and move it automatically using Arduino Uno. Data was collected in real-time within three days using three different power supplies. Data collection started at 09.00 WIB with a solar panel tilt of 45° and went to 15.00 WIB with a solar panel tilt of 135°. The results of measurements using a solar tracker on photovoltaic (PV) obtained an average current of 0.74 amperes (A), an average voltage of 18.7 volts (V), and an average power of 14.4 watts (W).
Co-Authors Abdi Pratama Achmad F.H Addy Septyawan Arizhal Firmansyah Asdi Putra Prigas Prakoso Banang M.H Bayu Fandidarma Beto Olanda Churnia Sari Dharma Dwi Prastya Dian Faisal Akbar Dody Susilo Dody Susilo Feldinando Altalarik Kusuma Fida Rahmantika Hadi Habi Angga Tristian Habi Angga Tristian Iesyah Rodliyah Ihtiari Prastyaningrum Ina Sunaryantiningsih Masitah Ahmad Nanndo Yannuansa Putri Sindy Wibisono Reza Aditya Putra Ridam Dwi Laksono Senoaji Swasti Maharani Tegar Prakoso Vera Dewi Susanti Yovie Eri Ardiansyah Yudha Adi Kusuma Yudha D.A.P Yuli Indra Setiawan Indra Yussi Anggraini Yussi Anggraini