Ariefianty, Syafira Aurelia (2026) Sistem Monitoring Konsumsi Energi Listrik Pada Automatic Grain Dryer. Other thesis, Institut Teknologi Sepuluh Nopember.
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Abstract
Pemantauan konsumsi energi listrik secara real-time merupakan aspek penting dalam meningkatkan efisiensi operasional pada sistem automatic grain dryer. Penelitian ini bertujuan mengembangkan sistem monitoring konsumsi energi listrik berbasis PLC Siemens S7-1200, HMI Haiwell B7H-W, dan sensor PZEM-016 untuk memantau parameter kelistrikan berupa tegangan, arus, daya, energi (kWh), serta estimasi biaya penggunaan listrik. Sistem dirancang menggunakan komunikasi Modbus RTU melalui RS-485 untuk menghubungkan sensor dengan PLC, sedangkan data hasil pengukuran ditampilkan pada HMI secara real-time. Metode penelitian meliputi perancangan perangkat keras, pemrograman PLC menggunakan TIA Portal, perancangan antarmuka HMI, integrasi sistem, validasi sensor, serta pengujian pada automatic grain dryer dengan variasi beban gabah 5 kg, 10 kg, dan 12,5 kg. Hasil validasi menunjukkan bahwa sensor PZEM-016 memiliki akurasi pembacaan tegangan sebesar 99,7–99,8% dan akurasi pembacaan arus sebesar 96,9–99,5%, sehingga layak digunakan sebagai sistem monitoring konsumsi energi listrik. Pengujian pada automatic grain dryer menunjukkan bahwa peningkatan beban menyebabkan konsumsi energi dan biaya operasional semakin meningkat. Estimasi biaya listrik yang diperoleh berturut-turut sebesar Rp192 pada beban 5 kg selama 30 menit, Rp409 pada beban 10 kg selama 60 menit, dan Rp563 pada beban 12,5 kg selama 75 menit. Hasil penelitian menunjukkan bahwa sistem berhasil melakukan monitoring konsumsi energi listrik secara akurat dan real-time, serta mampu memberikan informasi estimasi biaya operasional sebagai pendukung pengelolaan energi pada proses pengeringan gabah.
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Real-time electrical energy consumption monitoring plays a crucial role in improving the operational efficiency of automatic grain dryer systems. This study aims to develop an electrical energy consumption monitoring system based on a Siemens S7-1200 Programmable Logic Controller (PLC), Haiwell B7H-W Human Machine Interface (HMI), and a PZEM-016 energy meter to monitor electrical parameters, including voltage, current, power, energy consumption (kWh), and estimated electricity costs. The system was designed using Modbus RTU communication over the RS-485 protocol to establish data transmission between the sensor and the PLC, while the measured data were displayed on the HMI in real time. The research methodology included hardware design, PLC programming using TIA Portal, HMI interface development, system integration, sensor validation, and performance testing on an automatic grain dryer with grain loads of 5 kg, 10 kg, and 12.5 kg. The validation results demonstrated that the PZEM-016 sensor achieved a voltage measurement accuracy of 99.7–99.8% and a current measurement accuracy of 96.9–99.5%, indicating its suitability for electrical energy monitoring applications. Experimental results also showed that increasing the grain load led to higher electrical energy consumption and operating costs. The estimated electricity costs were IDR 192 for a 5 kg load over 30 minutes, IDR 409 for a 10 kg load over 60 minutes, and IDR 563 for a 12.5 kg load over 75 minutes. Overall, the developed system successfully performed accurate real-time electrical energy monitoring and provided reliable operating cost estimation, thereby supporting more efficient energy management in grain drying processes.
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