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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 74 Documents
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Decreasing In Freshwater Production Due To Vacuum Pressure Decreasing On Multi Effect Distillation Installation Hery Sonawan; Muhamad Deary; Auliansyah Afrianthoni
Mestro Vol 3 No 02 (2021): Edisi Desember
Publisher : Fakultas Teknik Universitas 17 Agustus 1945 Cirebon

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47685/mestro.v3i02.368

Abstract

A case study in a steam power plant has been conducted and reported. There was a case of decrease in the freshwater production rate in multi effect distillation installations that may disrupt the operation of the power plant. The cause was suspected by the drop in vacuum pressure in the evaporation chamber. The study was conducted by studying the MED installation process diagram and performing the theoretical calculations of energy and mass equilibrium in each chamber. To make it easier to find the properties of water in the energy calculation then add ins water_97 in Microsoft Excel is added.Calculations were undertaken in two modes, commissioning period and 2016 operation mode. The difference of the two modes was vacuum pressure level in each chamber. Vacuum pressure level in 2016 operation mode was lower than commissioning mode. The calculation at commissioning mode resulted in a production rate of 133.56 ton/h, while the actual condition at that time was 127 ton/h. Calculations in 2016 operation mode produced a theoretical fresh water production rate of 101.37 ton/h.
Comparative Analysis of the Performance of Ice Cream Making Machines Using Variations in Capillary Pipe Diameters Ferry Sugara; Waluyo Djoko Yudisworo; Karsid Karsid
Mestro Vol 3 No 02 (2021): Edisi Desember
Publisher : Fakultas Teknik Universitas 17 Agustus 1945 Cirebon

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47685/mestro.v3i02.369

Abstract

Current refigeration technology has an important influence in improving the quality of food products. The purpose of this study is to find out how much the difference in performance generated from the expansion device in the form of two capillary pipes of different diameters and know the power consumption of electricity used, so that it knows the electric power per day. The method used in this study is to test the ice cream maker refrigeration system, by testing its performance by measuring the temperature and pressure in each main component when the system is steady. The results of the actual COP value of the average capillary pipe diameter of 0.028 inches are 2.16 while the actual COP value of the average capillary pipe diameter of 0.031 inches is 2.74. And the actual COP value of a 0.028 inch diameter capillary tube has a greater value of 2.16 while a capillary pipe with a diameter of 0.031 inches has a smaller value of 1.88. Whereas the biggest value of refractive efficiency at the average value is a capillary pipe with a diameter of 0.028 inches of 63.58%. While for capillary pipes with a diameter of 0.031 inches smaller the value of refraction efficiency averaged 59.49% and the cabin temperature in capillary pipes with a diameter of 0.028 inches, the average value was -9.82 0C. While for capillary pipes with a diameter of 0.031 inches smaller it has a cooler average value of -9.09 0C.
Analysis of Measurement Results on AMR to Determine P2TL Operation Targets at PT PLN (Persero) UP3 Indramayu Agus Siswanto; Rendy Chandra Nova; Mudofar Baehaqi
Mestro Vol 3 No 02 (2021): Edisi Desember
Publisher : Fakultas Teknik Universitas 17 Agustus 1945 Cirebon

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47685/mestro.v3i02.372

Abstract

The Kwh Meter Automatic Meter Reading (Kwh Meter AMR) system is a system for recording electricity meters that is carried out automatically and remotely. Data communication sent by the AMR kWH meter at PT PLN (Persero) UP3 Indramayu uses an AMR modem as an electronic kWH meter interfacing with a wireless telecommunications network. The AMR kWh meter has a feature that besides recording the use of electrical energy used, it also records voltage, electric current, power factor, and the recording time of the customer's electricity usage meter is faster. PT PLN (Persero) UP3 Indramayu can carry out distribution network management which makes it easier in terms of distributing energy to customers and monitoring the use of electrical energy by customers. In operating the kWh meter AMR system can reduce losses caused by abnormal use of electrical energy by customers. These abnormalities include incorrect Wiring, errors in wiring on the Kwh Meter, Unbalance Current, unbalanced electricity usage by customers, Blank Kwh and AMR modem hangs/damages so that the communication signal is unstable and fails to retrieve data on electricity consumption by customers. To overcome these abnormalities, a check is carried out on the customer according to the findings of abnormal deviations in the AMR application. The use of unmeasured electrical energy during the Kwh Blank abnormality is 4,619 kWh with a total follow-up billing fee of Rp. 6,936,537.-. The results of the abnormality category of Incorrect Wiring were carried out by normalizing wiring errors in the Kwh Meter phase S and Phase T. The results of the Unbalance Current abnormality category, the electricity consumption at the customer at that time was not balanced, that is, the T phase was not used by the customer. The results of the AMR Modem abnormality category are replaced by the AMR Modem so that the customer's electricity consumption is again disabled in the AMR application.
Design and Manufacturing of Organic Waste Chopping Machines Endang Prihastuty; Bobby Saputra; W. Djoko Yudisworo
Mestro Vol 3 No 02 (2021): Edisi Desember
Publisher : Fakultas Teknik Universitas 17 Agustus 1945 Cirebon

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47685/mestro.v3i02.373

Abstract

This research was conducted to find a solution to the problem of waste, especially organic waste which is generated from households and shopping centers, especially traditional markets. Many people do not understand how to deal with waste properly. The most common way that most people do is by burning organic waste. This has a negative impact on the environment and public health itself. Therefore it is necessary to do research on how this organic waste can be utilized for the benefit of society. One way to overcome the problem of organic waste is to make an organic waste chopper. The machine is equipped with a knife designed in such a way that it is capable of cutting to small sizes. In this study, this organic waste chopping machine will be used to produce pieces of waste which will then be used as biogas reactor material. To be continued in the process of making biogas. From the research results obtained the following machine specifications: Machine size with a length of 0.704 m, a width of 0.413 , and a height of 0.601 m. This organic waste shredder uses a motor with a power of 5.5 hp, a belt length of 798.47 mm, a drive pulley rotation of 2784.65 rpm and a blade rotation speed of 7.35 m/s.
Arduino Uno Based Automatic Water Faucet with Ultrasonic Sensor Arifudin Arifudin; Muhamad Soleh; Erfan Subiyanta
Mestro Vol 3 No 02 (2021): Edisi Desember
Publisher : Fakultas Teknik Universitas 17 Agustus 1945 Cirebon

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47685/mestro.v3i02.374

Abstract

Water is a source of life for all living things. However, currently the amount of clean water available is very limited so that it is not comparable with the increasing growth of the world's population. The saving effort that can be done is to make the best use of water. One of them is by saving bath water by controlling the water level in the water reservoir. In this final project, an automatic faucet is designed using an ultrasonic sensor, namely a sensor that will detect the presence of an object and remove or turn off water automatically with the main actuator using a servo motor. In filling the water reservoir to prevent water from overflowing, an ultrasonic sensor is used which will automatically fill when the water volume distance is not within the specified range and will also automatically stop filling when it is within the specified range. So that no more water is wasted due to user negligence.
Design of a Cricket Dryer Using PID Control Vidya Ikawati; Heri Siskandar; Mudofar Baehaqi
Mestro Vol 4 No 01 (2022): Edisi Juni
Publisher : Fakultas Teknik Universitas 17 Agustus 1945 Cirebon

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47685/mestro.v5i01.375

Abstract

Cricket drying is an important process in the production of animal feed and the rearing of certain animals. Dried crickets have a longer shelf life, more stable nutritional content, and a lower risk of contamination. Therefore, the use of an efficient and controlled cricket dryer is important to achieve optimal results. The main objective of the design of a cricket dryer with PID control is to create a system that can adjust the drying temperature automatically. With this control system, it is expected to be able to overcome the problem of the drying process which is constrained by weather factors. The PID controller (from the English abbreviation: Proportional–Integral–Derivative controller) is a feedback mechanism controller that is usually used in industrial control systems. The control system is an inseparable part of processes in the field of industrial engineering, because with the help of control systems, desired results can be realized. The control system is needed to improve the response of the dynamic system so that the output signal is obtained as desired. A good control system has a good response to various input signals. Tools made with this system can dry raw materials with low moisture content, so that the dried raw materials can be directly processed into other forms, and the production process is not hampered by a shortage of raw materials. This tool is capable of producing temperatures up to 100 degrees Celsius. A timer relay is also included to regulate the length of the drying process so that quality raw materials are obtained.
Load Flow Analysis at Babakan Substations for Industry Growth Devolopment Using ETAP Power Station 12.6 Softwere Erfan Subiyanta; Muhammad Fadhil Aldan; Muhamad Soleh
Mestro Vol 4 No 01 (2022): Edisi Juni
Publisher : Fakultas Teknik Universitas 17 Agustus 1945 Cirebon

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47685/mestro.v5i01.376

Abstract

Based on transformer loading at GI 70kV Babakan which is already 80% high bigger than capacity 30 MVA by reason there is a need for additional power supply for industrial development, one of which is the addition of PT. Longrich Indonesia for 25 MVA. With the existing condition of transformer loading at GI 70kV Babakan is currently unable to meet the power supply needs and the construction of GI 150kV Kanci is still in progress, therefore the installation of a mobile transformer at GI 70kV Babakan is intended to meet the need for additional power supply. In this study, simulating Electrical power in GI 70kV Babakan uses the ETAP Power Station 12.6 software and compares it with the results of manual calculations. Installing a Mobile Transformer with a capacity of 30 MVA at GI 70kV Babakan can increase the MVA capacity at GI 70kV Babakan so that it can meet the need for additional power supply, With the load on the mobile transformer and the daytime loading history of 48 MW and the highest load reached at 61 MW, the Mobile Transformer can be loaded with a maximum of 25 MVA. And transformers are still able to supply the area properly so there is no overload. and increase revenue through the sale of electricity.
Planning of Low Voltage Electricity Distribution at Griya Arjuna Kejuden Housing Deni Wachyudin; Amy Fahmy Ardiansyah; Mohammad Soleh; Agus Siswanto
Mestro Vol 4 No 01 (2022): Edisi Juni
Publisher : Fakultas Teknik Universitas 17 Agustus 1945 Cirebon

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47685/mestro.v5i01.377

Abstract

In a low-voltage power distribution system, there are often disturbances that result in disruption of electricity distribution to customers, resulting in losses for customers and PLN. The problem that often occurs is the occurrence of voltage drops and power losses so that in planning the construction of a low-voltage electric power distribution network, it is necessary to anticipate the occurrence of these problems. This research is expected to be used as a lesson for the creation of a low-voltage electric power distribution network with suitable and environmentally friendly construction and with low investment costs. collected data by visiting the location to conduct a survey and obtain accurate data related to the state of the research location. The stages in planning the Low Voltage Electricity Distribution Network begin with a field survey to obtain the required data. The installed power for each unit is 1.300 VA, so the total installed power is 122,200 VA and the spare power is 5% of the installed power so that the total installed power is 128.310 VA. during peak load times it is estimated that power consumption will only absorb 80% or 97,760VA. The required substation is a Portal Type Pole with a transformator capacity is 160kVA. The total breakdown of the electricity distribution network budget at the Griya Arjuna Kejuden is IDR 382,333,141.
Analysis of Mathematical Models for Gurame Cultivation Systems in Empang Ponds in Tembelang Bekasi Regency Riri Sadiana; Hengki Rahmanto
Mestro Vol 3 No 01 (2021): Edisi Juni
Publisher : Fakultas Teknik Universitas 17 Agustus 1945 Cirebon

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47685/mestro.v4i01.378

Abstract

The system of gouramy cultivation in ponds conducted by the community of Tambelang Bekasi Regency is still based on their experiences that develop in an unwritten manner with the application of the Pendederan I, Pendederan II, and Pendederan III systems to anticipate the length of time they need to go from ready to consumption. Pendederan II in addition to the need for optimization on input variables (feed, sente leaves, area maintenance officers) is also a transition period that is vulnerable to predators or predators such as snakes, bats, and cork fish. Techniques and methods for dealing with predators are being developed by these farmers. The analytical approach that examines the system of gouramy cultivation in pond ponds conducted by the Tambelang Bekasi Community becomes a very urgent matter considering that the results of preliminary studies conducted on yields obtained in nursery II only range from 60% to 70% of the entire seedling population distributed . The results of the analysis of mathematical models of carp culture in pond ponds in Tambelang District, Kabasi show the results that mathematical solutions through numerical simulation are strongly influenced by intrinsic rate and emphasis on the number of predators in the form of pool sterilization efforts every three months.
Production of Effective Microorganisms (Em) From Organic Waste from Traditional Markets in Tambelang District as Biocatalysts Novi Laura Indrayani; Riri Sadiana
Mestro Vol 3 No 01 (2021): Edisi Juni
Publisher : Fakultas Teknik Universitas 17 Agustus 1945 Cirebon

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47685/mestro.v4i01.379

Abstract

Municipal solid waste largely consists of market waste which has become a critical problem for city environment. Indiscriminate dumping of waste around city poses environmental hazards causing ecological imbalances with respect to land, water and air pollution. This waste in the form of vegetable left over, rotten vegetables can be successfully being converted into effective micro-organism i.e. In the present work, the influence of hydraulic retention time on dark fermentation metabolism was evaluated through the operation and analysis of a series of three tank reactors ranging from 7 dayto 21 day.In depth analysis of microbial communities showed growth increases up to 8,0 x 108cpu/ml.

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