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All Journal Journal of Applied Smart Electrical Network and System (JASENS) Journal FORTEI-JEERI JASTEN (Jurnal Aplikasi Sains Teknologi Nasional Jurnal JEETech
Widodo Pudji Muljanto
Institut Teknologi Nasional Malang
Arts Humanities Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Energy Engineering Mechanical Engineering Physics Other

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SMART FARMING TENAGA SURYA BERBASIS IOT SEBAGAI KONTROL DAN MONITORING IRIGASI PADA KEBUN MANGGA DI KECAMATAN BEJI KABUPATEN PASURUAN Alfarid; Nafi Isbadrianingtyas; Widodo Pudji Muljanto; Michael Ardita; Rizqi Cahyo M Putra
JASTEN (Jurnal Aplikasi Sains Teknologi Nasional) Vol. 5 No. 1 (2024)
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat Institut Teknologi Nasional Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36040/jasten.v5i1.9124

Abstract

Smart Farming dengan pembangkit listrik tenaga surya (PLTS) merupakan jenis sumber energi terbarukan yang saat ini banyak dipakai baik di instansi maupun di masyarakat. Pembangkit ini memiliki potensi untuk menggantikan peran pembangkit listrik fosil yang masih umum digunakan saat ini. Penggunaan PLTS secara khusus cocok untuk aplikasi di sektor pertanian, memberikan peluang kepada para petani untuk memanfaatkan sumber daya energi baru terbarukan (EBT) dengan potensi mencapai 3.686 gigawatt (GW). Dalam upaya meningkatkan efisiensi penggunaan pembangkit listrik tenaga surya diperkenalkan sistem monitoring dan kontrol yang berbasis Internet of Things (IoT). Parameter yang dimonitor melibatkan tegangan, arus, dan daya yang dihasilkan oleh pembangkit, sementara kondisi area pertanian juga dipantau melalui pengukuran suhu dan kelembapan. Beban yang dikontrol oleh sistem ini adalah pompa air irigasi pertanian.
Sistem Kendali Kecepatan Turbin Menggunakan PID Kontrol Berbasis Arduino Alfa Crysto Anugrah; Widodo Pudji Muljanto; Aryuanto Soetedjo
Jurnal JEETech Vol. 6 No. 2 (2025): Nomor 2 November
Publisher : Universitas Darul Ulum

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32492/jeetech.v6i2.6205

Abstract

Kontrol kecepatan turbin memainkan peran krusial dalam menjaga stabilitas dan efisiensi sistem pembangkitan energi. Penelitian ini mengembangkan sistem pengendalian kecepatan turbin menggunakan metode Proportional-Integral-Derivative (PID) berbasis Arduino, dengan proses tuning yang dilakukan melalui pendekatan trial-and-error. Metode ini dipilih karena kemudahannya dalam menyesuaikan parameter Kp, Ki, dan Kd secara bertahap berdasarkan respons sistem terhadap perubahan kecepatan turbin. Tahapan tuning diawali dengan penentuan nilai awal parameter PID, kemudian dilakukan pengujian serta penyesuaian secara bertahap hingga diperoleh kinerja optimal. Evaluasi dilakukan dengan menganalisis karakteristik sistem, termasuk waktu tunda (delay time), waktu naik (rise time), waktu tunak (settling time), overshoot, dan error steady-state. Hasil pengujian menunjukkan bahwa metode tuning trial-and-error memungkinkan sistem mencapai respons yang lebih cepat dengan tingkat kesalahan minimal, meskipun memerlukan waktu serta pengujian berulang untuk memperoleh kestabilan yang diinginkan. Dengan nilai Kd sebesar 0,0005, Kp sebesar 0,04, dan Ki sebesar 0,005, sistem menunjukkan performa yang lebih baik, ditandai dengan overshoot yang lebih kecil serta waktu stabilisasi yang lebih cepat. Pengujian juga mencatat bahwa sistem memiliki rise time sebesar 2 detik, settling time 17 detik, dan overshoot sebesar 115%.
Impact Analysis of Cirata Floating PV Integration on Frequency Stability in the 500 KV Java-Bali Grid Yanuar Wahyu Gianto Yayan; Awan Uji Krismanto; Widodo Pudji Muljanto
Journal FORTEI-JEERI Vol. 6 No. 2 (2025): FORTEI-JEERI
Publisher : Forum Pendidikan Tinggi Teknik Elektro Indonesia (FORTEI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46962/forteijeeri.v6i2.38

Abstract

Rising global demand for clean energy has accelerated the deployment of renewable energy sources, notably Solar Photovoltaic (PV) systems. The Cirata Floating Solar PV Plant, with an installed capacity of 192 MWp and interconnected to the 500 kV Java-Bali transmission network, represents a key national strategic project aimed at supporting the national energy mix target. However, the integration of inverter-based renewable generation such as PV plants introduces challenges to system frequency stability, primarily due to the absence of rotational inertia contribution. This research analyze the impact of the Cirata Floating Solar PV integration on the frequency stability of the 500 kV Java-Bali power system. The analysis is conducted through time-domain dynamic simulations using DigSILENT PowerFactory software, incorporating load flow and dynamic simulation methodologies under three operating scenarios: load shedding, 50% load bekasi increase, and Tripping of saguling power plant. Key frequency stability indicators, namely frequency nadir and Rate of Change of Frequency (RoCoF), are evaluated. The simulation results indicate a degradation in frequency stability performance following the integration of PV due to reduced system inertia. Nevertheless, under specific operating conditions, the PV plant exhibits a beneficial damping effect on frequency deviations.
Desain PLTS Off-Grid Dengan Teknologi Penyimpanan Energi Pumped Storage Di Mahakam Ulu Muhamad Cahyo Samudro; Widodo Pudji Muljanto; Irmalia Suryani Faradisa; Sotyohadi
Journal of Applied Smart Electrical Network and Systems Vol. 6 No. 2 (2025): Vol. 6 No. 02 (2025): Vol 06, No. 02 Desember 2025
Publisher : Indonesian Society of Applied Science (ISAS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52158/sfhg7b24

Abstract

This research presents the design of an off-grid Solar Power Plant (PLTS) integrated with pumped storage energy technology in Mahakam Ulu Regency, East Kalimantan, as a sustainable energy solution for remote regions. The main objective of this study is to develop a reliable, efficient, and environmentally friendly power generation system by utilizing local renewable energy potential. The research methodology includes identifying 24-hour load demand, analyzing PLTS capacity based on solar radiation potential, calculating hydrological parameters such as water head and flow rate, and determining the capacity and dimensions of key components, including turbines, penstock pipes, pumps, inverters, and storage reservoirs. The technical data show a reservoir volume of 566,784 m³, a head height of 100 meters, a penstock diameter of 1.9 meters, a PLTS capacity of 10.3 MWp using 13,734 solar panels, and a 15 MW inverter. The analysis results indicate that the designed system can maintain continuous electricity supply during nighttime or low-solar conditions through stored potential energy utilization. This configuration significantly reduces dependency on diesel generators, decreases carbon emissions, and supports the national clean energy transition agenda. The off-grid PLTS design integrated with pumped storage technology is proven to be a feasible and sustainable approach that can serve as a reference for developing similar renewable energy systems in other isolated 3T regions with comparable geographical and natural characteristics.
Co-Authors Alfa Crysto Anugrah Alfarid Aryuanto Soetedjo Awan Uji Krismanto Michael Ardita Muhamad Cahyo Samudro Nafi Isbadrianingtyas Rizqi Cahyo M Putra Sotyohadi Yanuar Wahyu Gianto Yayan