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All Journal JOURNAL OF ELECTRICAL AND SYSTEM CONTROL ENGINEERING Jurnal Al Ulum: LPPM Universitas Al Washliyah Medan
Simamora, Antonius
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Agriculture, Biological Sciences & Forestry Chemical Engineering, Chemistry & Bioengineering Economics, Econometrics & Finance Electrical & Electronics Engineering Industrial & Manufacturing Engineering Mechanical Engineering

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ANALISA PENGARUH PERUBAHAN BEBAN TERHADAP FREKUENSI GENERATOR SATU PHASA Simamora, Antonius; Sinaga, Joslen; Mutiara, Piala; Mariaty, Linda; Sitohang, Rasmi
JOURNAL OF ELECTRICAL AND SYSTEM CONTROL ENGINEERING Vol. 7 No. 1 (2023): Journal of Electrical and System Control Engineering
Publisher : Universitas Medan Area

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31289/jesce.v7i1.10194

Abstract

Generators are equipment that converts mechanical energy into electrical energy by utilizing the electromagnetic principle in converting its energy, where the mechanical energy can be obtained from prime movers such as diesel engines (PLTD), hydropower (PLTA), gas power (PLTG). , geothermal (PLTPB). Frequency can also be used as a measure of the instantaneous balance between the real power (MW) consumed by consumers (load) and the real power supply from power plants. Setting the excitation current given to the generator so that the generator produces a voltage of 220 volts. electrical systems, generators and components connected with a complete interconnection system to connect several generators and consumers. To supply power from generators to consumers, system reliability is needed, where one of the requirements for an electric power system is said to be reliable if it fulfills the requirements for generating system reliability such as voltage and frequency values, especially in terms of frequency must be within the specified limits (1 % of the standard frequency), where the standard frequency in Indonesia is 50 Hz.
PERANCANGAN APLIKASI LIGHT DEPENDENT RESISTOR (LDR) PADA PEMBANGKIT LISTRIK TENAGA SURYA UNTUK MENINGKATKAN ENERGI LISTRIK YANG DIHASILKAN SECARA OTOMATIS Simamora, Antonius; Siburian, Jhonson Monang; Mutiara, Piala; Sitohang, Rasmi; Sinaga, Joslen; Sinurat, Fadlah Kaumenni
Jurnal Al Ulum LPPM Universitas Al Washliyah Medan Vol. 13 No. 1 (2025): Jurnal Al Ulum: LPPM Universitas Al Washliyah Medan
Publisher : UNIVERSITAS AL WASHLIYAH (UNIVA) MEDAN

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47662/alulum.v13i1.849

Abstract

The purpose of this study is to design an application that utilizes Light Dependent Resistor (LDR) to increase the efficiency of solar power generation systems. The scope of this study includes the use of Light Dependent Resistor (LDR) in optimizing solar power generation systems, energy efficiency analysis, and the effect of changes in light intensity on solar panel performance. The methodology used is the method of data collection (case study) and data analysis obtained from experiments and designing applications using LDR to control the movement mechanism of solar panels to obtain light energy in real-time. The results show that the integration of this sensor can increase energy production by up to 23% compared to conventional fixed systems. This system not only increases the effectiveness of solar power generation but also contributes to reducing maintenance costs and supports sustainable energy practices. The conclusion of the study shows that automatic angle adjustment on solar panels increases energy capacity by 13-19% compared to panels with fixed angles. The average power generated reaches 11.57 watts, higher than 10.07 watts from fixed panels. The use of LDR also increases the intensity of light received.
LINIERISASI ITERATIF PADA METODE BEDA HINGGA UNTUK MEYELESAIKAN MASALAH KONDISI BATAS DIRICHLET PERSAMAN DIFERENSIAL BIASA NON LINIER Sitompul, Hery Andi; W.B.Siahaan, Enzo; Simamora, Antonius; Gultom, Togar Timoteus; A, Arfis; Mulia, Mulia
Jurnal Al Ulum LPPM Universitas Al Washliyah Medan Vol. 13 No. 1 (2025): Jurnal Al Ulum: LPPM Universitas Al Washliyah Medan
Publisher : UNIVERSITAS AL WASHLIYAH (UNIVA) MEDAN

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47662/alulum.v13i1.850

Abstract

Dirichlet boundary condition problems in nonlinear ordinary differential equations generally have to be worked out numerically by applying the concept of finite differences, producing a system of non-linear equations. The Newton and Broyden methods are very popular for solving a system of non-linear equations, but both require very long calculation times if the variables are on a large scale. The concept of iterative linearization of a system of non-linear equations produced by the finite difference method in a nonlinear differential equation, it will provide new insight into the problem of Dirichlet boundary conditions.
Co-Authors A, Arfis Andi Sitompul, Hery Fadlah K. Sinurat MARIATY, LINDA Mutiara, Piala Siahaan, Enzo W.B Siburian, Jhonson Monang Sinaga, Joslen Sitohang, Rasmi Togar Timoteus Gultom