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Agus Siswanto
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Mestro
Published by Universitas 17 Agustus 1945 Cirebon
ISSN : -     EISSN : 26571072     DOI : doi.org/10.47685/mestro
Core Subject : Science, Engineering,
Automotive Engineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Engineering Industrial & Manufacturing Engineering
Mestro merupakan jurnal ilmiah dalam bidang ilmu pengetahuan dan teknologi yang diterbitkan oleh Fakultas Teknik Universitas 17 Agustus 1945 Cirebon, dalam satu tahun terbit dua kali terbitan yaitu bulan Juni dan Desember. Jurnal MESTRO mewadahi artikel hasil penelitian dan telaah ilmiah kritis dengan berbagai disiplin ilmu meliputi: Mechanical Engineering, Electrical Engineering, Civil Engineering, Computer Engineering and Manufacturing Engineering.
Arjuna Subject : Teknik (semua kategori) - Teknik Listrik dan Elektro
Articles 5 Documents
 1 
Search results for , issue "Vol 5 No 1 (2023): Edisi Juni" : 5 Documents clear
Analysis of Heat Transfer in the Process of Smelting Plastic Waste in the Form of Paving Blocks Maulani, Irna Sari; Syamsuri, Heris
Mestro: Jurnal Teknik Mesin dan Elektro Vol 5 No 1 (2023): Edisi Juni
Publisher : Fakultas Teknik Universitas 17 Agustus 1945 Cirebon

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47685/mestro.v5i1.398

Abstract

Plastic waste is an inseparable part of human life. People's habit of burning accumulated plastic waste can release heavy metal content in plastic and toxic chemicals such as dioxins which can interfere with the respiratory process. There is another way to reduce plastic waste, namely by melting plastic waste into paving blocks. The process of melting plastic waste is carried out in a melting furnace. The purpose of this study is to analyze the heat transfer that occurs in the smelting furnace. The method used in this research is heat transfer analysis using FEM analysis and heat transfer analysis through experimental studies. The results obtained in the FEM analysis, the heat generated by the smelting furnace ranges from 212-300 ⁰C. While the heat generated in the measurement process is 280 ⁰C. Analysis of heat transfer that occurs in the smelting furnace obtained a figure of 1.95 Watt. The value of the wasted heat from the smelting furnace is 6.77 W. This means that the wasted heat is greater than the heat generated from the smelting furnace, this will result in a waste of energy. To overcome wasted heat, it is recommended to add insulating material to the furnace around smelting.
Model Design of Helical Type Vertical Shaft Wind Turbine with Capacity of 5 W Achdi, Endang; Syahbardia, Syahbardia; Rusdianto, Fadhilah Fahmi
Mestro: Jurnal Teknik Mesin dan Elektro Vol 5 No 1 (2023): Edisi Juni
Publisher : Fakultas Teknik Universitas 17 Agustus 1945 Cirebon

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47685/mestro.v5i1.399

Abstract

A vertical axis wind turbine (VAWT) is a power generator that uses wind power to generate torque. The VAWT can be pointed in any direction, meaning it doesn't need to be pointed into the wind to generate power. Thus, there is potential for large power plants using VAWTs as their size can be significantly increased. However, there are also some drawbacks to the VAWT. VAWT has the characteristics of self-starting. But still, an additional power source is needed to start the turbine rotation until a certain rotation speed is reached or it must operate at high wind speeds. The main objective of our work is to create a 5 W VAWT model (helical type) to optimize self-starting of vertical axis wind turbines. The outline of this report is regarding the design of our VAWT model, which will have self-starting characteristics. To increase the self-starting status, our efforts are to optimize the type, dimensions and material of the turbine blades. We also optimized the rotor dimensions. As a result, a model helical three-blade turbine was built and tested. The blade turbine made of composites has been balanced with the rotor prior to testing. The test uses 2 fans with a speed of 3-5m/s, the test is carried out to obtain wind turbine performance data.
Design Water Turbine as Pump Drive for Irrigating Paddy Fields in the Highlands in the Panjalu Ciamis Region Herdiana, Ade; Riyadi, Slamet
Mestro: Jurnal Teknik Mesin dan Elektro Vol 5 No 1 (2023): Edisi Juni
Publisher : Fakultas Teknik Universitas 17 Agustus 1945 Cirebon

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47685/mestro.v5i1.400

Abstract

In electrical systems, safety is the main factor, but it is often overlooked because it is quite expensive. The current conventional outlet, although it has been standardized by the Indonesian national standard, is a fact in the field that there are still many incidents of electric shock, because the voltage continues to flow through the copper terminals inside the plastic frame protector. This incident can occur because the terminal is plugged into a conducting object such as a fork, spoon, iron rod, or held directly with a finger. For this reason, in this study, a safety system is made that uses the main component of the Relay as an intermediary for DC voltage and AC voltage. Trials carried out 50 times on each socket box resulted in solving the problem by conditioning the plug that had not been plugged into the terminal so that there was no voltage flowing into the outlet, this certainly distinguishes safety from using an ELCB which must have contact with the human body first.
Analysis Energy Losses in the Distribution Network System at PT. PLN (Persero) ULP Indramayu (Case Study of Loh Beneficial Feeders) Soleh, Muhamad; Taryo, Taryo; Kurniawan, Aditya
Mestro: Jurnal Teknik Mesin dan Elektro Vol 5 No 1 (2023): Edisi Juni
Publisher : Fakultas Teknik Universitas 17 Agustus 1945 Cirebon

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47685/mestro.v5i1.401

Abstract

At PT PLN (Persero) Indramayu Customer Service Unit, it was recorded that electrical energy supplied from the substation at PT PLN (Persero) Indramayu Area in 2019 was 347,133,287.9 ​​kWh, while the energy sold was 312,676,929 kWh and the amount of energy losses of 34,456,358.9 kWh.[5] The difference in the amount is due to energy losses or losses. Energy losses are the amount of energy lost in the energy flow process from the substation or distribution substation to the consumer. This is caused by two factors, namely technical and non-technical factors. Technical factors caused by distribution network problems. The study carried out was a study of energy loss on feeders, namely the Lohbene feeder, this name is an aid to the name of the feeder from ULP Indramayu. The object specification data for this study were obtained based on data from ULP Indramayu and the Indramayu Service Unit. After conducting the research, it can be concluded that the technical losses in the Lohben feeder are 1120.94 kW, while the non-technical losses are 189.96 kW. The annual losses in the Lohben feeder are 8,315,678.42 kWh. reduced to 482.69kW, which was previously 875.486kW. After technical improvements, losses decreased to 406.430 kW per month
Optimizing Production of Kwh Legon PLTD PLTD Using Wind Turbine Generator Model B. Ventus 250 KW(Case Study on Karimunjawa Island) Safrizal, Safrizal; Sutikno, Ery; Arifin, Zaenal
Mestro: Jurnal Teknik Mesin dan Elektro Vol 5 No 1 (2023): Edisi Juni
Publisher : Fakultas Teknik Universitas 17 Agustus 1945 Cirebon

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47685/mestro.v5i1.407

Abstract

Electricity supply must be able to reach all users, including those on small islands in Indonesia, one of which is Karimunjawa Island. Starting in 2016 Karimunjawa Island is supplied by 2 units of Legon Bajak Diesel Power Plant (PLTD) with a capacity of 2x2.2 MW. Based on the peak electricity demand on Karimunjawa Island, each month from January 2017 to December 2018 increased by about 3.9% with an hourly peak load of 1,146 kWh. The average consumption of PLTD Legon Bajak every month in 2018 is 194,877 liters / month. The higher the kWh production of a PLTD, the higher the operational costs for fuel. In addition to the high price of fuel, combustion results from PLTD operations also cause air pollution. Based on these problems in this study will analyze the optimization of the kWh Legon Bajak PLTD using a wind turbine generator model b.ventus 250 kW of 3 units with an assumption of 50% of the peak load, because on Karimunjawa Island has a high enough wind energy potential. The average wind speed from 2004 to 2015 in several areas of Karimunjawa Island was 5.7 m / s. In this study will calculate technical analysis and economic analysis. In the technical analysis the wind turbine generator power output is calculated using the weibull method based on wind speed and power curve b.ventus 250 kW while the economic analysis calculates the cost of fuel savings that can be achieved after optimization calculations. Calculation results show wind turbine power output of 990,981 kWh / year. Based on the specific value of fuel consumption (SFC) of 0.432 liters / kWh fuel consumption during 2017 amounted to 1,605,453.9 liters / year while for 2018 it was 2,338,528.1 liters / year. From the 3 wind turbine electricity supply of 2,972,943 kWh / year, it will reduce fuel consumption by 1,284,311.4 liters / year with a saving cost of Rp.15,989,291,338.00. The amount of optimization of the kWh PLTD after the supply of 3 units of b.ventus 250 kW wind turbine model in 2017 was 80% while in 2018 it was 54.9%.

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