https://stt-pln.e-journal.id/kilat/issue/feed KILAT 2022-05-15T18:46:28+00:00 Editorial riki.ruli@sttpln.ac.id Open Journal Systems <p style="text-align: justify;">KILAT is a scientific journal published by Institut Teknologi PLN d/h. Sekolah Tinggi Teknik PLN. KILAT Journal is published twice in one year in April and October and contains the results of research in the fields of Mechanical Engineering, Electrical Engineering, Civil Engineering and Information Engineering, Law and Economics related to studies in the field of Renewable Energy, Electricity, Telecommunications, Control Systems , Electronics, Architecture, Computer Systems, and Information Systems.</p> <p style="text-align: justify;">KILAT is a scientific journal has been&nbsp;<strong>Accredited&nbsp;</strong>by the&nbsp;<strong>National Journal Accreditation</strong>&nbsp;(ARJUNA) managed by the Ministry of Research, Technology, and Higher Education of the Republic of Indonesia with Class Four (<strong>SINTA 4</strong>) from 2018 to 2022 in accordance with the Decree<strong>. No. B/3693/E5/E5.2.1/2019.</strong></p> <p style="margin-bottom: 0in; line-height: 150%;" align="justify"><span style="font-family: Times new roman, serif;"><span style="font-size: medium;">T</span></span><span style="font-family: Times new roman, serif;"><span style="font-size: medium;">he journal registered in the CrossRef with </span></span><strong><span style="font-family: Times new roman, serif;"><span style="font-size: medium;">Digital Object Identifier&nbsp;(DOI)&nbsp;prefix</span></span></strong><span style="font-family: Times new roman, serif;"><span style="font-size: medium;">: <a href="https://search.crossref.org/?q=kilat" target="_blank" rel="noopener"><span style="text-decoration: underline;"><strong>10.33322</strong></span></a></span></span></p> <p style="text-align: justify;"><strong>P-ISSN:&nbsp;<a href="https://portal.issn.org/resource/ISSN/2089-1245" target="_blank" rel="noopener">2089-1245</a>,</strong><strong>&nbsp;&nbsp;</strong><strong>e-ISSN:<a href="https://portal.issn.org/resource/ISSN/2655-4925#" target="_blank" rel="noopener">&nbsp;2655-4925</a></strong></p> https://stt-pln.e-journal.id/kilat/article/view/1458 Implementasi Algoritma Convolutional Neural Network Dalam Mengklasifikasi Kesegaran Buah Berdasarkan Citra Buah 2022-05-10T11:21:04+00:00 Rosida Nur Aziza rosida@sttpln.ac.id Femil Paraijun femil1731316@itpln.ac.id Dwina Kuswardani dwina@itpln.ac.id <p><em>The development of Information Technology today, which continues to grow, can help overcome various problems because matters relating to the advancement of Information Technology have spread to almost all levels of Indonesian society. Along with the development of Information Technology, it is also marked by Artificial Intelligence which can simulate human intelligence and help handle tasks in the real world. By utilizing Information Technology, one of them can be used in terms of the classification of fruit freshness. Where this classification will be very useful and help farmers and fruit consumers. This study describes the use of the Convolutional Neural Network to classify the freshness of the following fruits: apples, oranges, and bananas. And also using six classes, namely fresh apples, fresh oranges, fresh bananas, unfresh apples, unfresh oranges, and unfresh bananas. The first thing to do is Convolutional Neuronal Network training using an image dataset as input using data sources from Kaggle.com, published by "Student at Stony Brook University, New York, United States". To determine the performance of the various models produced, the following Confusion Matrix is used: accuracy, precision, and recall. The best average obtained is 93%. </em></p> 2022-04-04T00:00:00+00:00 ##submission.copyrightStatement## https://stt-pln.e-journal.id/kilat/article/view/1334 Perancangan Mobil Listrik Menggunakan Motor DC Brushed 36 Volt 450 Watt 2022-05-10T11:44:06+00:00 Nifty Fath nifty.fath@budiluhur.ac.id Achmad Rizky 1752500213@student.budiluhur.ac.id Aulia Rakhman 1752500106@student.budiluhur.ac.id Sendy Maulana 1752500049@student.budiluhur.ac.id Sujono Sujono sujono@budiluhur.ac.id <p><em>Polusi udara dan efek rumah kaca merupakan dampak yang ditimbulkan dari pemakaian kendaraan konvensional</em><em>. D</em><em>ampak tersebut menyebabkan penurunan kualitas udara dan pemanasan global. Kendaraan listrik adalah solusi yang tepat dari permasalahan tersebut karena tidak memiliki emisi gas buang dan efisiensi yang tinggi. Penelitian ini menjelaskan proses pembuatan mobil listrik yang dirancang menggunakan motor penggerak jenis DC (Direct Current) Brushed 36 Volt 450 Watt. Mobil listrik </em><em>yang dirancang </em><em>terbagi menjadi dua bagian utama, yaitu sistem mekanik yang berkaitan dengan rangka, bodi, kemudi dan pengereman serta sistem elektrik yang berkaitan dengan baterai, motor penggerak dan </em><em>controller</em><em>. </em><em>Proses perakitan mobil listrik diawali dengan perakitan</em><em> baterai, </em><em>pembuatan </em><em>bodi dan komponen pendukung sistem mekanik</em><em>, kemudian</em><em> assembly kedua sistem agar menjadi sistem mobil listrik secara utuh. Dari hasil perhitungan</em><em> performa </em><em>secara teoritis, mobil listrik dapat bergerak dengan kecepatan 7 km/jam dan mampu menempuh jarak 28,56 km dalam satu kali pengisian baterai. Dengan kapasitas baterai ideal sebesar 56,28 Ah maka daya tahan baterai dalam kondisi </em><em>terisi penuh</em><em> selama 4,08 jam dan waktu pengisian baterai selama 26,11 jam menggunakan charger yang memiliki arus keluaran 2,5 A.</em></p> 2022-04-04T00:00:00+00:00 ##submission.copyrightStatement## https://stt-pln.e-journal.id/kilat/article/view/1553 Pengaruh Co-Firing Biomassa terhadap Efisiensi Boiler PLTU Batubara 2022-05-10T12:19:01+00:00 Agus Noor Sidiq agus.ns@pln.co.id <p><em>The use of fossil fuels such as coal still dominates as fuel for power plants in the world</em><em>. The use of fossil fuels in most power plants can increase Greenhouse Gas (GHG) emissions that affect climate change. Biomass is one of the renewable energy sources that is expected to reduce Greenhouse Gas emissions.</em> <em>The use of biomass energy sources as a mixture of fossil fuels known as co-firing in power plants has been widely done to reduce dependence on fossil fuels.</em> <em>In this research will be reviewed the influence of biomass mixture on the efficiency of coal power plant boilers.</em> <em>The composition of the mixture as well as the type of biomass used will greatly affect the efficiency of the Boiler. The percentage of biomass composition as well as the right combustion settings will be able to produce optimal boiler efficiency.</em> <em>From the study in this research, it is hoped that it will be able to provide an overview of the performance of a power plant that performs co-firing so that in addition to getting the benefits of reducing greenhouse gas emissions, good boiler efficiency is also obtained.</em></p> 2022-04-04T00:00:00+00:00 ##submission.copyrightStatement## https://stt-pln.e-journal.id/kilat/article/view/1526 Penentuan Jumlah Minimal Line Of Resolution Dalam Spektrum Vibrasi Untuk Pengukuran Rutin Vibrasi 2022-05-10T12:46:00+00:00 Andi Kurniawan andi.kurniawan.pln@gmail.com <p><em>Resolution of vibration spectrum is one of that affect the accuracy of vibration analysis result. This study was conducted to determine the most effective minimum line of resolution (LOR) for determining the target resolution in separating two close peaks. Several parameter settings like Fmax and LOR are used to measure the spectrum of a model rotor. The results of this study indicate that with 3 LORs in the separating frequency, the spectrum is quite detailed in separating two close peaks. This experimental study resulted a simple calculation in determining the minimum amount of LOR for routine vibration measurements.</em></p> <p><em>&nbsp;</em></p> <p>&nbsp;</p> <p><strong><em>&nbsp;</em></strong><strong><em>ABSTRAK</em></strong></p> <p><em>Salah satu hal yang berpengaruh terhadap ketepatan analisa data vibrasi adalah resolusi grafik spektrum vibrasi. Penelitian ini dilakukan untuk mengetahui jumlah minimal line of resolution (LOR) yang paling efektif untuk menentukan target resolusi dalam memisahkan dua buah peak yang berdekatan. Beberapa setting parameter seperti Fmax dan LOR digunakan untuk melakukan pengukuran spektrum dari suatu rotor model. Hasil penelitian ini menunjukkan bahwa dengan 3 buah LOR dalam separating frequency, spektrum yang dihasilkan yang cukup detail dalam memisahkan dua buah peak yang berdekatan. Studi eksperimen ini menghasilkan perhitungan sederhana dalam penenentuan jumlah minimal LOR untuk pengukuran rutin vibrasi.</em></p> <p>&nbsp;</p> <p>&nbsp;</p> 2022-04-04T00:00:00+00:00 ##submission.copyrightStatement## https://stt-pln.e-journal.id/kilat/article/view/1480 Koordinasi Rele Jarak Sebagai Pengaman Utama Dengan Rele Arus Lebih Pada Saluran Udara Tegangan Tinggi 150 KV Balongbendo - 150 KV Sekarputih 2022-05-15T18:46:28+00:00 Ilham Ahmad Fauzi ilhamahmadfauzi08@gmail.com <p>Sistem transmisi beperan penting dalam menjaga kontinuitas penyaluran energi listrik dari suatu wilayah ke wilayah yang lain. Gangguan pada sistem transmisi, merupakan hal yang mungkin terjadi sehingga diperlukan adanya proteksi yang mencegah gangguan meluas dan menyebabkan kerusakan yang lebih parah. Sistem transmisi yang menghubungkan GI Balongbendo ke GI Sekarputih merupakan saluran yang berperan sebagai jalur utama <em>(backbone</em>) pada area Jawa Timur. Sehingga pada saluran tersebut diperlukan sistem proteksi yang handal demi menjaga kontinuitas penyaluran energi listrik. Dalam paper ini, dilakukan perancangan sistem proteksi pada saluran Balangbendo-Sekarputih menggunakan kombinasi rele jarak sebagai proteksi utama dan rele arus lebih sebagai proteksi cadangan. Rele jarak bekerja berdasarkan impedansi gangguan dengan 3 zona area proteksi. Untuk proteksi cadangan digunakan rele arus lebih yang bekerja berdasarkan besarnya arus gangguan. Gangguan 3 fasa disimulasikan terjadi pada saluran untuk menguji selektifitas dan kinerja rele tersebut menggunakan <em>Disgilent Power Factory 15.1</em>. Dari hasil simulasi didapatkan rele jarak pada GI Balongbendo akan trip pada detik ke 0,02,0,02, dan 0,42 untuk gangguan 3 fasa pada jarak 15%,50% dan 85% dari GI Balongbendo. Sedangkan rele arus lebih akan trip pada detik ke 0,88,1,05 dan 1,30. Sedangkan pada GI Sekarputih, rele akan trip pada detik ke 0,42,0,02, dan 0,02. Sedangkan rele arus lebih akan trip pada detik ke 1,46,1,07 dan 0,88.</p> 2022-04-04T00:00:00+00:00 ##submission.copyrightStatement## https://stt-pln.e-journal.id/kilat/article/view/1368 Analisis Pengaruh Perbandingan Sistem Hybrid PV-Genset Menggunakan Homer Grid 2022-05-10T13:26:31+00:00 Samsurizal Samsurizal samsurizal@itpln.ac.id Fairakha Rezky Alfaafaa samsurizal@itpln.ac.id <p><em>95% of energy use in Indonesia is still dominated by fossil fuels. One way to meet the increasing energy needs is by using renewable energy.. The most easily available and popular renewable energy today is Solar Power Plants. Currently, solar power plants have various types to maximize their potential, one of which is the hybrid PV-genset system. This research was conducted at SMKN Central Java which has a solar power plant hybrid pv-genset system by connecting the output on grid solar power plants with generators in parallel without battery backup. The study was carried out by reviewing the fuel consumption of the generator through two scenarios without and with battery backup in the system using the HOMER Grid software to run the simulation by entering the required parameters. The results of this study indicate that the system with battery backup has 61.62% greater savings on the fuel consumption side and 61.87% more efficient on the fuel cost side to operate the generator when a blackout occurs.</em></p> 2022-04-04T00:00:00+00:00 ##submission.copyrightStatement## https://stt-pln.e-journal.id/kilat/article/view/1620 Integrating LoRa SX178S with GPS Sensor for Free Geolocation 2022-05-10T13:36:25+00:00 Satrio Yudho satrioyudhoo@gmail.com <p><em>Global positioning system known as an information which determine position of an object in standard value like Longitude and Altitude. due the trending development of Internet of things and its application, providing services is enable by using cellular networks which in metered connection. LoRa so-called long-range radio communication is one of wireless network sensor infrastructure that have an advantage in longer range operation. integrating LoRa with GPS module is one solution to provide location services with relatively free of cost. in this paper, we present our experiment of LoRa chipset SX76s and GPS module to aim the geolocation information to locate the device location. </em></p> 2022-04-04T00:00:00+00:00 ##submission.copyrightStatement## https://stt-pln.e-journal.id/kilat/article/view/1483 Model Simulasi Interleaved DC-DC Flyback Untuk Dual Stage Micro-Inverter 2022-05-10T13:44:59+00:00 Sofitri Rahayu sofitri@itpln.ac.id <p><em>DC-DC converter is one of the important parts in the micro-inverter which is used in photovoltaic applications. Its function is to change the output voltage level of 48 Vdc to 5 V dc. The proposed converter topology is flyback because the number of components used is simple so it can reduce production costs and improve ripple voltage. In the flyback converter simulation modeling is done in interleaved mode with maximum output power 12 W using Ltspice software. From the simulation results, it is found that by applying a switching frequency 100 kHz, the value of the primary inductor (Lp) 20 µH, secondary inductor (Ls) 1.5µH, output capacitor (Cout) 100 uF, ripple voltage (VR) 81.02 mV and using IC LT 3758. </em></p> 2022-04-10T00:00:00+00:00 ##submission.copyrightStatement## https://stt-pln.e-journal.id/kilat/article/view/1536 Analysis and Design of CRC-32 IEEE 802.3 Generator for 8 Bit Data Using VHDL 2022-05-10T13:56:17+00:00 Aprilia Putri Dewanty apriliaputridewanty@gmail.com <p><em>In the communication system to achieve better quality data transmission required a method that can detect errors and correct errors. Cyclic Redundancy Check (CRC) is one of the methods used to perform data transmission on data link layer that can detect errors. CRC-32 is used to error-checking on Ethernet or implemented to IEEE 802.3. CRC generator in this research use CRC-32 IEEE 802.3 with 8 bit data width. This research can be implemented in the field of Electrical Engineering, especially in the telecommunications section, namely Ethernet which functions for transfer files and data via a computer network. CRC here has a role to prevent data changes caused by noise during the transmission process. The methods used in this design is modulo-2 division parallel circuit. This design is expected to use a simple schematic circuit, less noise and less resources. Testing is done by matching result of simulation using Xilinx ISE Simulator with implementation on Spartan 3E XC3S500E device with result of count . This research requires a resource of 223 4-input LUTs, 114 Occupied slice, 72 IOB flip flops, 114 bonded IOBs and 1 BUFGMUXs, where this research obtained resources is fewer than with previous research</em></p> 2022-04-10T00:00:00+00:00 ##submission.copyrightStatement## https://stt-pln.e-journal.id/kilat/article/view/1531 Evaluasi Distributed Control System pada PLTU dengan Failure Mode, Effect and Criticaly Analysis (FMECA) 2022-05-15T17:28:22+00:00 Saputra Dwi Nugroho saputra.dn86@gmail.com <p><em>Steam power plants (PLTU) are power plants that have the largest percentage of power plants owned by PLN. The main controller in a PLTU usually uses a Distributed Control System (DCS). The reliability of DCS in a PLTU must be maintained properly so that the power plant does not experience a control failure that causes the PLTU to stop suddenly. DCS PLTU Sebalang Unit 1 has used the FMEA method to determine its maintenance strategy, but the FMEA has not defined the function of the equipment, functional failure, the effect of failure, and criticality analysis (CA) of the equipment. failure mode prioritization has not been carried out. With the FMECA conducted in this study, the priority of the failure mode can be carried out effectively so that the priority determination of DCS maintenance can be carried out. Results of the FMECA that have been carried out, it is known that the failure that occurs in the DCS CPU has the highest RPN value (140). The maintenance strategy obtained from the FMECA results is preventive maintenance (PM), namely: 1) checking the power supply voltage, 2) checking the communication status, idle time status, load and CPU status, and maintenance run to failure (RTF) CPU replacement if there is damage to the CPU. FCS CPUs.</em></p> 2022-04-10T00:00:00+00:00 ##submission.copyrightStatement## https://stt-pln.e-journal.id/kilat/article/view/1324 Perbandingan Metode Optimasi Non-Linear Partical Swarm Optimization (PSO) Dengan Metode Interior Point Untuk Optimasi Daya Pada Turbin Angin Dengan Menentukan Nilai Optimum Pitch Angle 2022-05-15T17:28:51+00:00 Herminarto Nugroho herminarto.nugroho@gmail.com <p><em>Along with the increasing development of technology, demand for electricity is also increasing. To overcome the problem of reducing electricity raw materials originating from fossil energy, new renewable energi is the solution. One of the new renewable energi sources that have high efficiency values is wind. Wind power plants require wind speed to produce efficiency and output power in the wind turbine. The optimization problem of a wind turbine is to determine the angle of placement of the wind turbine in order to produce the desired optimum power. This journal is determining the wind turbine pitch angle to determine the optimum power by comparing two optimization methods, namely Partical Swarm Optimization (PSO) and the Interior Point optimization method. The data to be obtained is the optimal distance between the turbines and the comparison of the efficiency between the two optimization methods in producing the optimal solution for the problem of placing wind turbines in the wind turbine field.</em></p> <p><em>Seiring dengan meningkatnya perkembangan teknologi, kebutuhan listrik juga semakin meningkat. Untuk mengatasi permasalahan berkurangnya bahan baku listrik yang berasal dari energi fosil, maka energi baru terbarukan adalah solusinya. Sumber energi baru terbarukan yang memiliki nilai efisiensi yang tinggi salah satunya adalah angin. Pembangkit listrik tenaga angin membutuhkan kecepatan angin untuk menghasilkan efisiensi dan daya keluaran pada turbin angin tersebut. Permasalahan optimisasi dari suatu turbin angin adalah menentukan sudut peletakan turbin angin agar menghasilkan daya optimum yang diinginkan. Pada jurnal ini bertujuan menentukan pitch angle wind turbine unutk menentukan daya optimum dengan membandingkan dua metode optimasi yaitu Partical Swarm Optimization (PSO) dan metode optimasi Interior Point. Data yang akan diperoleh adalah jarak optimal antar turbin dan perbandingan efisiensi antara kedua metode optimasi tersebut dalam menghasilkan solusi optimal untuk masalah penempatan turbin angin di lapangan turbin angin.</em></p> <p>&nbsp;</p> 2022-04-10T00:00:00+00:00 ##submission.copyrightStatement##