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All Journal Electrician : Jurnal Rekayasa dan Teknologi Elektro
Dwi Agus Riyanto
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Control & Systems Engineering Electrical & Electronics Engineering Engineering

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Prediksi Beban Listrik Jangka Pendek dengan Metode Arimax dan Artificial Neural Network Backpropagation di Gardu Induk Metro Zulmiftah Huda; khairudin; Lukmanul Hakim; Dwi Agus Riyanto
Electrician : Jurnal Rekayasa dan Teknologi Elektro Vol. 16 No. 3 (2022)
Publisher : Department of Electrical Engineering, Faculty of Engineering, Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/elc.v16n3.2318

Abstract

Kebutuhan listrik yang selalu meningkat baik domestik, komersil maupun industri membutuhkan pelayanan yang baik dan berkualitas, peningkatan kebutuhan listrik banyak dipengaruhi oleh meningkatnya populasi penduduk, perkembangan sektor industri dan pola hidup masyarakat. Perubahan temperature udara panas juga mempengaruhi pola masyarakat untuk menggunakan Air Conditioner (AC) sebagai alat pendingin ruangan. Kebutuhan listrik tersebut harus didukung dengan prediksi beban yang tepat dan penjadwalan pembangkitan yang sesuai dengan kebutuhan. Penelitian ini melakukan prediksi beban listrik jangka pendek menggunakan metode Autoregressive Integrated Moving Average with Exogenous Variable (ARIMAX) di Gardu Induk Metro. Data yang digunakan berupa data historikal beban listrik dan temperatur udara selama periode 6 bulan dan 2 tahun untuk mendapatkan hasil prediksi pada satu minggu terahir. Berdasarkan hasil yang diperoleh bahwa prediksi beban listrik jangka pendek menggunakan metode ARIMAX data historis selama 2 tahun menghasilkan nilai Mean Absolute Percentage Error (MAPE) sebesar 7,5 persen, hasil lebih baik dibandingkan hasil prediksi dengan data historis 6 bulan yang menghasilkan MAPE sebesar 13,6 persen.
Analisa Limbah Kulit Pisang Ambon dengan Campuran Air Laut Sebagai Energi Alternatif Bio Baterai Bayu Wibowo; Novia Utami Putri; Ernando Rizki Dalimunthe; Dwi Agus Riyanto
Electrician : Jurnal Rekayasa dan Teknologi Elektro Vol. 19 No. 2 (2025)
Publisher : Department of Electrical Engineering, Faculty of Engineering, Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/elc.v19n2.2678

Abstract

A battery is a device that can store electrical energy. Batteries are currently widely used for humanneeds such as batteries in clocks, remotes and children's toys. The batteries currently used by humans are disposable batteries, so over time they can cause environmental pollution because batteries are made from chemicals [1]. This research aims to reduce battery waste by using Ambon banana peels as a substitute for battery chemical content. The battery will be made from pure Ambon banana peel which contains potassium and chloride [2]. Chloride is a strong electrolyte that can conduct electric current and to get more electric current, Ambon banana peel is mixed with sea water. This research compares the length of use between batteries that use a seawater mixture and those that do not use a seawater mixture that will be installed on a wall clock. Batteries that use sea water have a battery life of 9 hours with a ratio of more sea water, the same amount, and more banana peels. The voltage produced by more sea water is 1.53 V with a current of 0.00069 and a power of 0.0010557 W. The voltage produced by the same ratio of sea water and banana peel is 1.65 V with a current of 0.00059 A and power 0.0009735 W. The voltage produced by comparing banana peels is more than sea water at 1.43 V with a current of 0.00064 A and a power of 0.0009152 W, while the battery that is not mixed with sea water only lasts 4 hours with the resulting voltage of 1.44 V with acurrent of 0.00082 and a power of 0.001180 W. So it can be concluded that research using an equal ratio of sea water and banana peel is the most optimalcomparison in this research because it has the highest stress level.Chemicals; Ambon Banana Peel, Sea water, Electrolyte, Bio Battery.
Analisa Pengaruh Jumlah Sudu dan Model Sudu Turbin Terhadap Daya Turbin Undershot Pembangkit Listrik Tenaga Mikro Hidro Hendrawan, Resnandi Hendrawan; Novia Utami Putri; Ernando Rizki Dalimunthe; Dwi Agus Riyanto
Electrician : Jurnal Rekayasa dan Teknologi Elektro Vol. 19 No. 3 (2025)
Publisher : Department of Electrical Engineering, Faculty of Engineering, Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/elc.v19n3.2680

Abstract

Micro Hydro Power Plant is a small scale power plant that uses hydropower as its energy source. The power to drive the PLTMH turbine is in the form of water flow originating from irrigation canals and rivers. The undershot turbine is a type of water turbine that utilizes river flow or irrigation channels as the driving force for the undershot turbine. In this research, based on the problems used in undershot turbines in order to get maximum results, the researcher designed a PLTMH prototype by analyzing the effect of the number of blades and the turbine blade model on the power produced by the generator in the undershot turbine of a micro hydro power plant so that it would be known that the number of blades was 12 , 14, 18 and the triangular blade model which obtains better PLTMH output. In this study, the number of blades was 14 which was the best with a resulting voltage of 9.4 volts, a current of 0.96 amperes and a power of 9.02 watts.
Co-Authors Bayu Wibowo Ernando Rizki Dalimunthe Hakim, Lukmanul Hendrawan, Resnandi Hendrawan Huda, Zulmiftah Khairudin Novia Utami Putri