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Journal : Serambi Engineering

Rancang Bangun Mesin Pengiris dan Penggoreng Umbi-Umbian Berbasis Mikrokontroler Atmega 8535 Ahmad Ansari Amini; Parlin Siagian; Solly Aryza
Jurnal Serambi Engineering Vol. 9 No. 2 (2024): April 2024
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Design and Construction of Microcontroller Based Tubers Slicing and Frying Machine ATmega 8535, this machine is expected to help the production of processed chips. In making this tuber chips machine, there are three processes that will be carried out including the cutting process, the drying process, and the frying process. This system uses an ATmega 8535 microcontroller which functions to control this tool to work according to the program that has been made. For the cutting process is done semi-automatically with a cutting knife driven by a 1 phase induction motor. In the process of drying tubers, a dryer is used, which functions to dry the sliced tubers so that when frying the sliced tubers do not accumulate because they are wet.
Desain Energy Storage System Untuk Terminal Charging Kendaraan Listrik Berdasarkan Intensitas Cahaya Matahari Sepanjang Hari Ridho Anggu Frasasti; Parlin Siagian; Hermansyah Alam
Jurnal Serambi Engineering Vol. 9 No. 2 (2024): April 2024
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Utilization of new, renewable energy (EBT) resources is the most important field in developing countries like Indonesia. The development of effective methods for evaluating alternative energy sources in the automotive industry has always been a need for cost-effective design analysis and one of the viable energy sources is electrical energy. Electric Vehicles (EV) are the application of photovoltaic energy using a combination of a charge controller based on a battery charging strategy with a unidirectional PWM technique based on a grid to vehicle strategy in the Smart Grid. Energy supplies in the world are currently decreasing, especially the energy used to generate electricity. With the widespread use of electric vehicles (EVs), it is important to plan charging by considering the behavior of EV drivers and demand on the electricity grid. Because the average solar insolation value in Indonesia is quite high, this can minimize dependence on the electricity grid and maximize the use of solar energy for energy storage systems for electric vehicles.
Analisis Perbandingan KWH Meter Prabayar dan Pascabayar untuk Meningkatkan Keakuratan Pengukuran Konsumsi Listrik di PT PLN Unit Layanan Pelanggan Kota Langsa Fachrur Rizki; Parlin Siagian; Dicky Lesmana
Jurnal Serambi Engineering Vol. 9 No. 3 (2024): Juli 2024
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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This study presents a comparative analysis of prepaid and postpaid kilowatt-hour (KWH) meters in improving the accuracy of electricity consumption measurement among customers of the PT PLN Customer Service Unit (ULP) in Langsa City. The study aims to determine whether prepaid KWH meters, which require users to pay for electricity prior to consumption, provide billing and usage monitoring accuracy comparable to traditional postpaid systems, where payments are made after electricity consumption based on meter readings. The methodology used involves a detailed examination of meter readings from two different groups of consumers over a one-month period, coupled with an assessment of the impact of meter type on consumer payment behaviour and incidents of electricity theft. The results indicate significant differences in the accuracy of electricity consumption measurement between the two meter types, with prepaid meters demonstrating a potential for reducing electricity theft and improving consumer energy management through upfront payment mechanisms. In addition, the study examines the technical and psychological factors that influence consumers' energy consumption patterns, highlighting how prepaid meters can encourage more controlled and conscious use of electricity. This analysis provides valuable insights for utilities considering the implementation of prepaid systems to improve billing accuracy, reduce operating costs and promote sustainable energy consumption behaviours among consumers.
Analisis Pengaruh Ketidakstabilan Debit Air Dan Curah Hujan Terhadap Daya Pada Pembangkit Listrik Tenaga Mini Hidro (PLTM) Karo Bumi Energi Eko Toni Hagler Simamora; Parlin Siagian; Rahmaniar
Jurnal Serambi Engineering Vol. 9 No. 3 (2024): Juli 2024
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Mini hydro power plants (PLTM) are capable of producing electricity continuously for 24 hours. The amount of energy distributed by the Mini Hydro Power Plant (PLTM) is greatly influenced by the strong flow of water coming from upstream, so the effect of rainfall is relatively direct on the electricity produced by the Karo Bumi Energi Mini Hydro Power Plant (PLTM) with a capacity of 2 x 4, 85 MW. From the observations, rainfall is a dry month, it can also be seen that rainfall, water discharge and production are directly proportional. In May, June and July there is a very significant difference between production and water discharge. According to observations, these months are wet months with very high rainfall. The resulting productivity of hydropower plants is influenced by the creation and release of stable water without aggravation. The higher the creation and release of water, the higher the efficiency of the power supplied. The impact of high rainfall will cause the water release to reach 11,653m3 / hour
Analisis Pengaruh Pemeliharaan Preventif Jaringan Distribusi 20kV Pada Penyulang Gu.03 Terhadap Indeks Keandalan Jaringan di PT.PLN (Persero) ULP Medan Timur Fitria Anis; Dicky Lesmana; Parlin Siagian
Jurnal Serambi Engineering Vol. 9 No. 4 (2024): Oktober 2024
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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The large number of disturbances that occur at the feeders result in power outages, which have an impact on reducing the reliability of the electricity system. One of the faults that occurred in the PT. PLN (Persero) ULP Medan Timur is a broken cable/wire cross section on a medium voltage overhead line (SUTM) or a damaged component of a medium voltage overhead line (SUTM). As a result, the energy (kWh) produced by the generator cannot be distributed, resulting in significant losses for PLN and losses for consumers. Therefore, the step taken to prevent this failure is to carry out preventive maintenance on the feeder. From the results of preventive maintenance obtained in this research, it was found that SAIDI = 0.1057 hours/customer/year, SAIFI = 0.0528 times/customer/year, CAIDI = 2.001 hours/time CAIFI = 0. 4995 hrs/hour, ASAI = 0.9997, ASUI = 0.0002, while from the results of corrective maintenance it was found that SAIDI = 0.4414 hrs/customer/year, SAIFI = 0.2643 hrs/customer/year, CAIDI = 1.67 hrs/time. CAIFI = 0.5987 times/hour, ASAI = 0.9990, ASUI = 0.0009. Thus, comparing the results of the calculation of the overall reliability value on the GU.03 feeder after preventive maintenance in 2022 in PT. PLN (Persero) ULP Medan Timur work area SAIDI = 0.0211 hours/customer/year, SAIFI = 0.2643 times/customer/year, CAIDI = 0.7983 hours/time, CAIFI = 12.526 times/hour, ASAI = 0.99995, ASUI = 0.00004.
Optimasi Penggunaan Energi Pada Sistem Pencahayaan Gedung Bandara Kualanamu Deli Serdang Dalam Rangka Konservasi Energi Menggunakan Metode Algoritma Genetika Benri Purba; Parlin Siagian; Rahmaniar
Jurnal Serambi Engineering Vol. 9 No. 4 (2024): Oktober 2024
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Energy saving must be carried out by the government, companies or the community. The high consumption of electricity is a strong reason to optimise electrical energy and lighting systems in buildings and other public places. In this study, the author uses a genetic algorithm to optimise the use of electrical energy and lighting in the Kualanamu Airport building. Genetic algorithm is a computing technique based on the principle of evolution in genetics. This study aims to test the effectiveness of using genetic algorithms to optimise the lighting system of the Kualanamu Airport building. The data used in this study is real-time data from the MCB power system or the airport building meter. Based on the calculations and analysis carried out in this study, it can be concluded that the AG evaluation presentation test has the best results with an average crossover of 0.3-1, an average mutation of 0.05-0.5 and an average generation of 92, with a fitness value of 1,438.72.
Peningkatan Daya Panel Surya Dengan Konsentrator Cahaya dari Bahan Aluminium Foil Parlin Siagian; Hermansyah Alam; Muhammad Fahreza; Ridho Anggu Frasasti
Jurnal Serambi Engineering Vol. 9 No. 2 (2024): April 2024
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Solar Power Plant is a new renewable energy source that can be utilized and is very accessible because it uses sunlight as the main medium of generation. Sunlight is expected to shine on the solar panel with a breakthrough using an aluminum foil reflector. Aluminum foil that provides reflection of sunlight can increase the output efficiency of solar panels. To get the productivity of electricity generated by the panel, maximum sunlight is needed on the surface. Reflectors can increase the intensity of sunlight with less heat generated. By using aluminum foil, the sunlight will be directed to the solar panel thus increasing the output power produced. The angle and tilt of the reflector will be adjusted to the position of the solar panel. The reflection of the aluminum foil has an effect on the intensity of light received by the solar panel and an increase in output power of 2-5%.
Analisis Konsumsi Energi Listrik Pompa Sirkulasi Cooling Tower P21C Menggunakan Inverter di PT Unilever Oleochemical Indonesia Yoel Wesly Dirney Lumbantoruan; Parlin Siagian; Haris Gunawan
Jurnal Serambi Engineering Vol. 10 No. 2 (2025): April 2025
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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The cooling tower circulating pump circulates cooling water throughout the cooling system by controlling the rotation of the circulating pump using an inverter. The method in this research uses quantitative methods. The research aims to analyze two circulating pump units with and without inverter. The results of one year of research on circulation pumps without inverter consumed 48,180 kWh of electrical energy and circulation pumps with inverter consumed 31,083.4 kWh of electrical energy, the resulting electrical energy savings was 17,096.6 kWh at a cost of IDR 19,058,263.9. Using an inverter can save electric energy consumption because the speed of the circulation pump can be adjusted, which causes the output voltage to vary and not always remain constant at the maximum value, so the electric energy consumption is lower.
Perbandingan Waktu Pengisian Baterai Pada Pembangkit Listrik Tenaga Surya Antara Dua Tempat Berbeda (Studi Kasus: Kota Medan dan Desa Kabung Kecamatan Barus Jahe) Sitepu, Bernike Patresia; Siagian, Parlin; Dino Erivianto
Jurnal Serambi Engineering Vol. 10 No. 3 (2025): Juli 2025
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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A potential avenue for the utilisation of solar energy is through the establishment of a PLTS (solar power plant). The present study employs an experimental approach in two distinct locations to ascertain the voltage and current of a battery that has been charged by a 20 Wp solar panel of polycrystalline type. Additionally, the temperature and humidity at each location are measured. The research location is situated in Kabung Village, within the administrative boundaries of Medan City. The research period spanned six days, from April 27 to May 3, 2025. A series of measurements were conducted over the course of the day, commencing at 09:00 WIB / 16:00 WIB. The data was collected at 10-minute intervals and comprised a combination of voltage, current, temperature, and humidity measurements. These measurements were obtained from two distinct locations within the city and the village. The mean battery charging time in Medan city is 6.50 hours, with a voltage of 12.26 volts, a current of 0.23 Ampere, a temperature of 33.14 °C and a humidity of 72.2%. In the context of Kabung village, the mean battery charging time was determined to be 6.50 hours, with a recorded voltage of 12.92 volts, a current of 0.60 Ampere, a temperature of 40.17 °C and a relative humidity of 63.3%. This study provides significant insights into the impact of geographic location on the performance of PLTS, particularly with regard to the optimal levels of sunlight absorption. Whilst the duration of battery recharge remains unaltered in this instance, the probability of attaining a greater quantity of electrical energy within a reduced timeframe is more probable in locales exhibiting elevated levels of sunlight, such as Kabung Village.