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Machrus Ali
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Jl. Gus Dur No.29A, Mojongapitindah, Mojongapit, Kec. Jombang, Kabupaten Jombang, Jawa Timur 61419
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INDONESIA
Journal Of Electrical Engineering And Technology
Published by Universitas Darul Ulum
ISSN : 29647320     EISSN : 27225321     DOI : 10.32492/jeetech.v7i1
Core Subject :
Jurnal JEETech: Journal Of Electrical Engineering And Technology. Journal of Darul Ulum University Jombang in collaboration with the Faculty of Engineering, Darul Ulum University Jombang with the Indonesian Electrical Engineering Higher Education Forum (FORTEI). Region VII. East Java. This journal contains research results in the fields of Power Engineering, Telecommunication Engineering, Computer Engineering, Control and Computer Systems, Electronics, Information Technology, Informatics, Data and Software Engineering, Biomedical Engineering. All submitted articles must report original, previously unpublished, experimental or theoretical research results that are not published and are being considered for publication elsewhere.
Arjuna Subject : -
Articles 105 Documents
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Analisis Pemasangan Power System Stabilizer Pada Single Machine Infinite Bus Untuk Kondisi Variasi Beban Muhammad Ruswandi Djalal; Makmur Saini; A.M Shiddiq Yunus
Jurnal JEETech Vol. 3 No. 2 (2022): Nomor 2 November
Publisher : Universitas Darul Ulum

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Changes in the load on the electric power system suddenly cause dynamic disturbances. The disturbance causes the stability of the generator to be disturbed, because the generator does not respond to the disturbance quickly. This causes oscillations in the generator in the form of oscillations of frequency and rotor angle. One of the additional control equipment that can increase the stability of a generator is the Power System Stabilizer (PSS). With the PSS installation, the optimal frequency response and rotor angle of the SMIB system are obtained, indicated by the minimum system overshot response. The controller is able to provide stability so that overshoot oscillations can be suppressed, as well as faster settling time performance for the system to reach steady state conditions. To test the stability of the SMIB system, a case study of adding and subtracting loads is used, with the proposed control method using PSS.
Pengaturan Jarak Bola (Sphere Gap) Pembangkitan Tegangan Tinggi Impuls Secara Semi Otomatis Sonong Sonong; Muhammad Yusuf Yunus; Marhatang Marhatang; Makmur Saini; Herman Nawir; Muhammad Ruswandi Djalal
Jurnal JEETech Vol. 4 No. 1 (2023): Nomor 1 May
Publisher : Universitas Darul Ulum

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32492/jeetech.v4i1.4101

Abstract

An overhaul is a process of dismantling a problematic engine so that it can be examined more thoroughly. During the overhaul, the problematic engine components are replaced. The overhaul of the sphere gap setting of the semi-automatic high impulse voltage generation is also intended to maximize the K3 system and the level of accuracy when conducting research on impulse voltage generation. The current condition after the occurrence of damage to the automatic sphere gap adjustment machine. The sphere gap setting is done manually, causing the desired ball gap distance to be not very accurate, and the risk of work accidents is higher in the high voltage laboratory. In the first stage of work, an inspection and measurement were carried out to replace the capacitor and limit switch components because they could no longer be used. As well as improvements to the electromagnetic brake components. From the test results, it was found that the distance measurement was as expected and it can be proven that after an overhaul, the semi-automatic spacer can function normally again so it can make it easier to conduct high voltage impulse research. In addition, from a security point of view, it is better because the spacing between the balls is done outside the high-voltage impulse generation cage
Analisis Potensi Pembangkit Listrik Tenaga Mikrohidro (PLTMH) Pada Sungai Air Besar Kampung Air Besar Kabupaten Fakfak Yulianto La Elo; Rusliadi Rusliadi; Zharin Fahrah Syahdinar
Jurnal JEETech Vol. 4 No. 1 (2023): Nomor 1 May
Publisher : Universitas Darul Ulum

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32492/jeetech.v4i1.4102

Abstract

Fakfak Regency, West Papua Province has a Watershed and Waterfall, the Air Besar River is one of the rivers that has the opportunity to be used as a Micro Hydro Power Plant (PLTMH). Due to the large difference in flow elevation between upstream and downstream, it is hoped that this local resource can be developed for other potentials, one of which is for Micro Hydro Power Plants (PLTMH). It is hoped that this Micro Hydro Power Plant (PLTMH) will not only be able to use water as a source of energy, but also increase profits with the availability of tourism. The purpose of this research is to detect the ability of the Air Besar River as a Micro Hydro Power Plant (PLTMH). The research method used is the floating method to determine the water rate and the cross section. Furthermore, calculations are carried out to obtain the amount of water discharge, determining the effective fall height (Heff) of the flow to obtain power and energy that can be produced by river flow while account the efficiency of the generator and turbine. From the calculation results, it is known that the large water discharge from the river is 23,826 m3/s, the effective fall height (Heff) flow is 4 m. From the results of these calculations, it is known that the estimated electrical power that can be generated is 620.8159 kW.
Kinerja Multi-user MIMO OFDM dengan Block-Diagonalization Precoding Puji Handayani; Beny Burhanusshomad
Jurnal JEETech Vol. 4 No. 1 (2023): Nomor 1 May
Publisher : Universitas Darul Ulum

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32492/jeetech.v4i1.4103

Abstract

Multiple-input multiple-output (MIMO) is a transmission technology that uses more than one antenna both on the transmitter side and on the receiver side. In the communication services, the system will involve more than one active user who uses one base station (BS) together so that it is called multi-user MIMO (MU-MIMO). This paper discusses the performances of MU-MIMO when it uses block diagonalization (BD) precoding and applies minimum mean squared error (MMSE) detector. As a comparison we also apply zero-forcing (ZF) detector. From the simulations that have been done, it is found that the MMSE had better performances than the ZF detector in terms of BER. We also consider the performance when users are moving. The simulation results show that BER performances are decrease slowly when users are moving.
Penggunaan Metode Rolling Sphere untuk Pengamanan Jaringan 150 kV dari Sambaran Petir Langsung Irrine Budi Sulistiawati; M Zaid Sahlan Shaufi; I Made Wartana
Jurnal JEETech Vol. 4 No. 1 (2023): Nomor 1 May
Publisher : Universitas Darul Ulum

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32492/jeetech.v4i1.4104

Abstract

Lightning strikes can cause protection failure at substations such as equipment damage at substations due to insulation failure or what is known as flashover. Because of that, a lightning strike protection system is needed to minimize the occurrence of direct lightning strikes to equipment and buses at the substation. This study discusses the modeling of the protection of the substation from direct lightning strikes using the rolling sphere method at the Wonosari-pedan 150 kV substation using lightning rod poles. The calculation results show that with the configuration of a lightning rod as high as 21 m and the use of a ground wire of 17.8 m it meets the safe criteria for the height of the protected area in the case study of this research.
Rancang Bangun Prototype Aplikasi Koperasi Mahasiswa B-IU Digicoop Untuk Pencapaian Inklusi Keuangan Nusantara Muhammad Alfarizi; Deby Gita Anggraeni; Almayda Andriana Firmansyah; Ngatindriatun Ngatindriatun
Jurnal JEETech Vol. 4 No. 1 (2023): Nomor 1 May
Publisher : Universitas Darul Ulum

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32492/jeetech.v4i1.4105

Abstract

The COVID-19 pandemic has paralyzed the economy both nationally and internationally. Various business sectors have experienced a slowdown due to the COVID-19 pandemic, one of the financial institutions affected by COVID-19 is cooperative. Currently, Student Cooperatives are required to be agents of change and can contribute positively to society in particular and the Indonesian state, especially in the post-pandemic national economic recovery. The B-IU Digicoop application was developed to unite the strength of Student Cooperatives throughout Indonesia to empower cooperatives in community economic activities, especially students and local residents to help with economic recovery after the Covid-19 pandemic while responding to the challenges of the times in order to achieve the hopes of student cooperatives continuing to transform. become the energy of change for the progress of Indonesian cooperatives in the future. This research uses the R&D method by optimizing the prototype design. The results of this study show the flow of prototype development to take into account the impact of innovation and replication opportunities in the community with the hope of helping economic recovery after the Covid-19 pandemic while responding to the challenges of the times in order to achieve the hope that student cooperatives will continue to transform into energy of change for the progress of Indonesian cooperatives. futile in the future. Indonesia's financial inclusion is expected to increase further with the presence of the B-IU Digicoop application
Optimasi Energi Listrik Berbasis Microbial Fuel Cell Berbahan Feses Sapi Menggunakan Rangkaian Seri Irvan Rachmad Ananto; Imam Marzuki; Indro Wicaksono; Andrik Sunyoto
Jurnal JEETech Vol. 4 No. 1 (2023): Nomor 1 May
Publisher : Universitas Darul Ulum

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32492/jeetech.v4i1.4106

Abstract

Permasalahan yang di alami Indonesia saat ini adalah terkait dengan kebutuhan energi. Solusi terbaik yang dapat mengatasi permasalahan energi tersebut adalah dengan memanfaatkan energi altenatif. Microbial Fuel Cell (MFC) merupakan salah satu energi alternatif yang paling praktis di era modern saat ini. MFC ini memanfaat energi terbarukan yaitu biomassa. Tujuan penggunaan metode MFC pada penelitian ini adalah mengoptimasi tegangan dan arus listrik agar lebih stabil. Rancangan MFC yang digunakan penelitian ini adalah rangkaian Dual Chamber yang dirangkai secara seri. Elektroda yang digunakan dalam sistem MFC ini adalah logam tembaga dan seng. Pada rangkaian MFC ini dilengkapi juga dengan jembatan garam. Subtrat yang di gunakan pada MFC ini berupa feses sapi. Jumlah Feses sapi yang dijadikan subtract yaitu sebesar 250 gram dan 450 gram. Setelah rancangan MFC telah terpenuhi, maka energi yang diperoleh metode ini berasal dari aktivitas bakteri yang melepas energi dan dikonversikan menjadi energi listrik oleh elektroda akibat adanya beda potensial. Hasil dalam penelitian ini dapat menghasilkan tegangan secara optimal sebesar 2,17 V dengan berbagai macam variasi jumlah feses sapi sebesar yaitu 450gram dengan di rangkai MFC dengan menggunakan rangkaian seri.
Deteksi Kantuk Untuk Keamanan Berkendara Berbasis Pengolahan Citra Charlos Kurniawan Umbu Nggiku; Abd Rabi; Subairi Subairi
Jurnal JEETech Vol. 4 No. 1 (2023): Nomor 1 May
Publisher : Universitas Darul Ulum

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32492/jeetech.v4i1.4107

Abstract

Traffic accidents are increasing in Indonesia. One of the main causes of accidents is driver fatigue. Drowsiness generally occurs at night when the body needs rest. However, some are caused by fatigue during activities. When driving a car, this situation must be taken into account to avoid the number of accidents caused by fatigue. Because of these problems, we need a tool that can detect automatically whether the driver is asleep or conscious using the facial landmark method. The initial process starts with streaming the camera by the webcam which will be processed by the raspberry pi 3b to detect the face area using the eye aspect ratio then the algorithm on the eye aspect ratio is used to detect sleepy eyes with the output in the form of a speaker, where the speaker will emit a sound that can be changed according to at the will of the driver. This research succeeded in designing a drowsiness detection device and obtaining data from tests that have been carried out by detecting closed or closed eyes with accuracy results using the facial landmark method and eye aspect ratio detecting drowsiness with an average accuracy of 90.4%.
Prototipe Mesin Peniris Minyak Pada Kerupuk Udang Untuk Menurunkan Kadar Minyak Kerupuk Nurul Des Ramadhina; Endah Fitriani
Jurnal JEETech Vol. 4 No. 1 (2023): Nomor 1 May
Publisher : Universitas Darul Ulum

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32492/jeetech.v4i1.4108

Abstract

Shrimp crackers are snacks made from tapioca flour and shrimp. Crackers also have variations of colour, shape, size, smell, taste, crispness, thickness, or nutritional value. Some of the production of ready-to-eat shrimp crackers is made by home industry that still use traditional equipment to reduce the oil content in the cracker. This affects the quality of the crackers which can cause the crackers not durable and smell it is caused by high oil level due to not optimal draining. Therefore this study aims to design a prototype of oil spinner machine for shrimp crackers equipped with an electric motor, a 4x4 keypad as a timer setting, a current sensor and a voltage sensor to calculate the cost of using electric power, the HC-SR04 sensor as a sensor that detects the liquid level in the container, LCD as a monitor, and a buzzer that functions as an alarm when the engine is off and when the oil container is full which will be connected to the arduino uno microcontroller. After testing with different times, the slicing process was succedeed in reducing the oil content in shrimp crackers by 21.55 % and the cost of using electric power on machine was Rp. 0.8444,- per minute and its also equipped with an oil reservoir that can hold an oil level as high as 3 cm so that the machine is more ergonomic that can improve the quality of shrimp cracker production.
Aplikasi Penjadwalan Pengadaan Barang Menggunakan Algoritma Apriori pada Logistic Rumah Sakit Sofyan Sofyan; Siti Nur Asia; Nasrun Nasrun
Jurnal JEETech Vol. 4 No. 1 (2023): Nomor 1 May
Publisher : Universitas Darul Ulum

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32492/jeetech.v4i1.4109

Abstract

The purpose of this study is to design an application for scheduling procurement of goods at the Logistics of Awal Bros Hospital Makassar and to apply the a priori algorithm for scheduling procurement of goods at the Logistics of Awal Bros Hospital Makassar. The results of this study are that based on application testing carried out on Gtmetrix, the results for pageSpeed Score 96% YSlow Score 90%, which means the program can function properly and based on program functionality testing with blackbox that the application is valid and can be applied. The conclusion of this research by applying the Apriori algorithm. This application displays the priority of procurement requests in the form of print and atk categories based on the categories of goods that are frequently requested and can display the scheduling of procurement of goods to restock goods by looking at the functions of the red, orange and green buttons on the application.

Page 5 of 11 | Total Record : 105

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