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RELE: Rekayasa Elektrikal dan Energi Jurnal Teknik Elektro
Published by Universitas Muhammadiyah Sumatera Utara
ISSN : -     EISSN : 26227002     DOI : -
Core Subject :
RELE: Rekayasa Elektrikal dan Energi Jurnal Teknik Elektro, diterbitkan oleh Teknik Elektro, Fakultas Teknik, Universitas Muhammadiyah Sumatera Utara (UMSU), Medan, Indonesia, yang memuat artikel tentang bidang penelitian ilmiah Teknik Elektro, termasuk hasil penelitian ilmiah asli , Jurnal Ilmiah Teknik Elektro menerima naskah di bidang penelitian termasuk bidang keilmuan Energi Terbarukan, Instrumentasi, Tegangan Tinggi, Sistem Kendali.
Arjuna Subject : -
Articles 141 Documents
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Rancang Bangun Sistem Kontrol Buka Tutup Valve Pada Proses Pemanasan Air Jaket faisal irsan pasaribu; zulfikar zulfikar
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Publisher : RELE (Rekayasa Elektrikal dan Energi) : Jurnal Teknik Elektro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1913.161 KB) | DOI: 10.30596/rele.v1i1.2255

Abstract

The control system degrees of opening and closing the valve in the steam distribution system water jacket heating process using the controller 328 ATMega microcontroller is designed to make it easier for workers to do the process of controlling the temperature of the water in the jacket. Another benefit is to be able to avoid failure in the liquefaction process in palm oil so that the oil in the previous pegolahan pipeline flowing. The method used in this research is the design that consists of several stages, namely, (1) Analysis of needs, (2) design, (3) Implementation of the circuit, (4) Testing Procedures and (5) Testing tools. The equipment is made LM35 temperature sensor, microcontroller minimum system ATMega 328 is Arduino Uno as a series of input and output controllers, servo motors as output (valve) is controlled, and the LCD as a viewer device temperature detection results. While the software is created using arduino and language "C". The performance of the whole device can work well, so that it can be implemented with matching devices in the field or in the industry.
Harmonisa Pada Rangkaian Inverter Satu Fasa partaonan harahap
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Publisher : RELE (Rekayasa Elektrikal dan Energi) : Jurnal Teknik Elektro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (317.496 KB) | DOI: 10.30596/rele.v1i1.2259

Abstract

Technological developments continue to increase, it is seen more and other electronic equipment used in day-to-day use, one of them in the field of electrical energy conversion, ie inverter. Inverter voltage variable power tool that can convert DC power into AC power. There are many studies done in order to get the output voltage of the inverter is a sinusoidal wave. However, the new technique in UNTAN strict academics has not been realized in the form of a real inverter device. Harmonic elimination technique is signal processing technique to get inverter pattern switch to get maximum output of sinusodal THD wave and minimum value. With combination of control signal generating circuit and AT89S52 LC microcontroller filter, the output inverter is expected to have sinusoidal wave. From the test results that have Has been done, harmonic elimination techniques can be used to obtain a sinusoidal voltage with total harmonic distortion is 9.1%.
Analisis Pengaruh Jatuh Tegangan Terhadap Kerja Motor Induksi Tiga Fasa Berbasis Matlab hamdani hamdani; Arnawan Hasibuan
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Publisher : RELE (Rekayasa Elektrikal dan Energi) : Jurnal Teknik Elektro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1042.944 KB) | DOI: 10.30596/rele.v1i2.3014

Abstract

Abstrak — Pemakaian motor induksi dalam keperluan energi mekanik dari putaran sangatlah banyak digunakan. Ssalah satunya adalah sebagai alat pendukung produksi di industri, Adanya ketidak stabilan tegangan suplai ke dalam motor yang berasal dari sumber jala-jala sistem tenaga sangat berpengaruh terhadap kinerja dari motor tersebut. Paper ini akan memaparkan analisis pengaruh perubahan tegangan jala-jala terhadap kerja motor induksi tiga fasa. Metode yang digunakan adalah  simulasi menggunakan program Simulink Matlab. Kinerja yang dilihat dari simulasi ini adalah pengaruhnya terhadap putaran motor. Penurunan tegangan disimulasikan bertahap sebesar 0%, 4%, 8%, 12%, dan 16%. Hasil yang diperoleh terlihat bahwa putaran motor mengalami penurunan dari 1448,46 rpm menjadi 1445,22 rpm dan effisiensi dari 89,11% menjadi 86,43%.Kata kunci: Jatuh tegangan, motor induksi tiga fasa, Matlab (Simulink)Abstract — The use of induction motors in the mechanical energy requirements of the rotation is very widely used. One of them is as a production support tool in the industry. The instability of supply voltage into the motor that comes from the source grid of the power system greatly influences the performance of the motorbike. This paper will explain the analysis of the effect of grid stress changes on the work of three phase induction motors. The method used is simulation using the Simulink Matlab program. The performance seen from this simulation is the effect on motor rotation. Gradually simulated voltage reduction of 0%, 4%, 8%, 12%, and 16%. The results obtained show that the motor rotation has decreased from 1448.46 rpm to 1445.22 rpm and the efficiency of 89.11% to 86.43%.Keywords: Voltage drop, three phase induction motor, Matlab (Simulink)
Analisa Tegangan Keluaran Alternator Mobil Sebagai Pembangkit Energi Listrik Alternatif sudirman lubis
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Publisher : RELE (Rekayasa Elektrikal dan Energi) : Jurnal Teknik Elektro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (618.525 KB) | DOI: 10.30596/rele.v1i1.2270

Abstract

Utilization of used equipment for reducing waste is very important. The car alternator is one component of that can be used to increase its utilization. Modification of alternators in vehicles can be generator for wind power plants. The research done is to compare the alternator output voltage before modification with the alternator output after being modified. Modification of the alternator is carried out by the load variation method. Based on the results of the measurement the alternator before and after modification shows results that are directly proportional to the output. Alternator measurement at 1100 RPM rotation produces a voltage of 4.57 Volts before further modification and than after modification produces 14.56 Volts. Analysis of the results obtained resulted in an average difference of 2.8% so that it can be concluded that the modification has not achieved maximum results.
Perancangan Prototype Alat Pemilah Sampah Otomatis faisal irsan pasaribu
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Publisher : RELE (Rekayasa Elektrikal dan Energi) : Jurnal Teknik Elektro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (3434.047 KB) | DOI: 10.30596/rele.v2i1.3645

Abstract

Abstrak — Jumlah sampah yang berlebihan dapat diatasi dengan cara daur ulang. Sebelum melakukan daur ulang, limbah harus disortir terlebih dahulu. Pemilahan sampah secara otomatis dalam jumlah besar dapat dilakukan dengan menggunakan sensor infra merah, sensor logam, dan sensor cahaya. Hasil pengujian menunjukkan bahwa pemilahan sampah otomatis dapat memilah sampah sesuai jenisnya. Namun masih ada kesalahan berupa limbah yang macet dan deteksi kesalahan oleh sensor.Kata kunci :  Pemisahan Limbah Otomatis, Sensor.Abstract — The amount of waste excessive can be overcome by way of recycling. Before do recycling, the waste must be sorted first. Sorting waste automatically in a huge amount can be done by using infra red sensor, metal sensor, and light sensor. The result of test show that the automatic waste sorting have been able to sort waste according to its kind. But still there are errors in the form of waste that stuck and the error detection by sensors.Keywords :       Automatic Waste Separation, Sensor.
Rancang Bangun Pembangkit Listrik Menggunakan Solenoida Dengan Pemanfaatan Fluks Magnet Yusdi Kurniawan; zulkifli zulkifli
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Publisher : RELE (Rekayasa Elektrikal dan Energi) : Jurnal Teknik Elektro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (988.729 KB) | DOI: 10.30596/rele.v2i1.3111

Abstract

Abstrak — Solenoida adalah kumparan yang terbuat dari kabel panjang yang dililitkan secara rapat, berdasarkan hukum faraday yang berbunyi apabila terjadi perubahan fluks maka akan ada gaya gerak listrik yang sebanding dengan laju perubahan fluks. perubahan fluks terjadi apabila ada magnet yang di keluar masukkan ke dalam solenoida,  dengan menggunakan led hijau sebagai indikator didapatkan hasil yang bervariasi sesuai dengan RPM penggerak yang digunakan. solenoida yang digunakan sebanyak 2 buah dengan masing-masing 3100 lilitandan menggunakan magnet neodymium. untuk RPM 200 tegangan yang didapatkan sebesar 0,5 V, teganga 1 V  dengan arus 0,6 mA dari RPM 400, RPM 600 didapatkan teganga 1,6 V dengan arus 3,2 mA, RPM 800 didapatkan tegangan sebesar 2,2 V dengan arus sebesar 6,6 mA.Kata kunci :  Solenoida, Fluks Magnet, TeganganAbstract — Solenoids are coils made of long wires that are tightly wrapped, based on faraday law that sounds when there is a change in flux, there will be an electric force proportional to the rate of change in flux. changes in flux occur when there is a magnet that is inserted into the solenoid. by using a green led as an indicator the results vary according to the drive RPM used. 2 solenoids were used with 3100 each and using neodymium magnets. for 200 RPM the voltage obtained is 0.5 V, the voltage is 1 V with a current of 0.6 mA from RPM 400, RPM 600 is obtained with a voltage of 1.6 V with a current of 3.2 mA, RPM 800 is obtained with a voltage of 2.2 V with current of 6.6 mA.Keywords :   Solenoids, Magnetic Flux, Voltage
Analisa Pengaruh Perubahan Kecepatan Angin Pada Pembangkit Listrik Tenaga Angin (PLTA) Terhadap Daya Yang Dihasilkan Generator Dc muhammad adam
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Publisher : RELE (Rekayasa Elektrikal dan Energi) : Jurnal Teknik Elektro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1161.913 KB) | DOI: 10.30596/rele.v2i1.3648

Abstract

Abstrak — Secara nasional kebutuhan energi listrik terus meningkat seiring dengan laju pertumbuhan penduduk, akan tetapi laju kebutuhan energi yang sangat cepat tersebut tidak diimbangi dengan produksi riil sektor energi. Saat ini energi nasional masih terfokus kepada energi fosil yaitu batubara, minyak bumi, dan gas bumi. Dengan meningkatnya penggunaan energi tersebut, terutama minyak bumi, maka di masa yang akan datang jumlahnya pun semakin terbatas, cadangan energi fosil akan berkurang dan tidak akan dapat di andalkan untuk mencukupi kebutuhan energi, karena sifatnya tidak terbarukan menuntut untuk segera mengeksplorasi sumber energi terbarukan. Dari hasil penelitian  yang dilakukan selama beberapa mulai pukul 09.00- 19.00 Wib di dapat hasil pada tegangan rata-rata sebesar 2,56 Volt. Dan daya angin sebesar =  27,6 Watt sedangkan pada daya generator sebesar =  136,3 Watt.Kata kunci :  PLTA, Daya Angin, Daya GeneratorAbstract — Nationally, the demand for electricity is increasing along with the rate of population growth, but the rapid demand for energy is not balanced with the real production of the energy sector. At present national energy is still focused on fossil energy, namely coal, oil and natural gas. With the increased use of this energy, especially petroleum, in the future the amount will be even more limited, fossil energy reserves will be reduced and will not be relied on to meet energy needs, because it is non-renewable, demanding to immediately explore renewable energy sources. From the results of research conducted for several starts at 09:00 to 19:00 West Indonesia Time in the results can be at an average voltage of 2.56 Volts. And the wind power is = 27.6 Watt while the generator power is = 136.3 Watt.Keywords :     Hydropower, Wind Power, Generator Power
Pelatihan Pembuatan Peta Cabang Dan Ranting Muhammadiyah Menggunakan Aplikasi Sicara Untuk Mercepatan Pemetaan Cabang Dan Ranting Muhammadiyah Se-Kota Medan partaonan harahap; Sudirman Lubis; Cholish Cholish
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Publisher : RELE (Rekayasa Elektrikal dan Energi) : Jurnal Teknik Elektro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (3579.629 KB) | DOI: 10.30596/rele.v2i1.3644

Abstract

Abstrak — Berdasarkan amanat Muktamar tersebut LPCR telah melakukan serangkan program yang diantaranya adalah mengadakan pendataan secara nyata tentang kondisi Cabang dan Ranting Muhammadiyah di sejumlah wilayah di Indonesia. Tujuan dari pendataan tersebut adalah agar dapat memberikan gambaran nyata terhadap kondisi Cabang dan Ranting saat ini.Keberhasilan sebuah program akan mempengaruhi pelaksanaan program yang lain. Di masa-masa awal organisasi, tantangan yang dihadapi bersifat materi dimana sumber daya material sangat terbatas, namun di sisi lain ada semangat dan solidaritas yang berlimpah. Tantangan generasi awal muhammadiyah adalah bagaimana membangun basis materi sehingga organisasi dapat berjalan dengan stabil. Namun di tahap lanjut perkembangan sebuah organisasi situasi menjadi terbalik, di mana ketika basis materi sudah mapan biasanya tantangan yang muncul adalah bagaimana membangun dan mempertahankan solidaritas agar organisasi tetap berjalan dengan kompak. Pada output Aplikasi Sicara tersusun sebuah  Peta dakwah yang terdiri dari  yaitu Pimpinan Cabang Muhammadiyah, Pimpinan Ranting Muhammadiyah, Skoring keaktifan masing-masing PCM dan PRM, Letak Geografis untuk lokasi geografis PCM dan PRM, Musyawarah, Kepemilikan Kantor , Pengajian, Tempat Ibadah, Langganan suara Muhammadiyah.Kata kunci :  Aplikasi Sicara, Peta Cabang dan Ranting MuhammadiyahAbstract — Based on the mandate of the Conference, the LPCR has carried out a program which included conducting real data collection on the condition of Muhammadiyah Branches and Branches in a number of regions in Indonesia. The purpose of the data collection is to provide a real picture of the current condition of branches and branches. The success of a program will affect the implementation of other programs. In the early days of the organization, the challenges faced were material in which material resources were very limited, but on the other hand there was abundant enthusiasm and solidarity. The challenge of the early generation of Muhammadiyah was how to build a material base so that the organization could run stably. But in the later stages of the development of an organization the situation becomes reversed, where when the material base is established the challenges that usually arise are how to build and maintain solidarity so that the organization continues to run compactly. In the Speech Application output, a Da'wah Map consists of Muhammadiyah Branch Managers, Muhammadiyah Branch Leaders, active Scoring of PCM and PRM, Geographical Locations for PCM and PRM geographical locations, Deliberations, Office Ownership, Study, Study Places, Worship Activities, Voice Subscribers, Muhammadiyah.Keywords :     Speech Application, Map of Branches and Branches of Muhammadiyah
Analisa Perbandingan Pengaruh Variasi Jumlah Sudu 4 Dan 8 Pada Turbin Angin Savonius Terhadap Tegangan Dan Arus Generator Dc zulfikar zulfikar
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Publisher : RELE (Rekayasa Elektrikal dan Energi) : Jurnal Teknik Elektro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (821.812 KB) | DOI: 10.30596/rele.v2i1.3646

Abstract

Abstrak — Energi angin merupakan salah satu energi alternatif yang dapat dimanfaatkan untuk berbagai keperluan guna menggantikan sumber energi berbahan bakar fosil. Salah satu bentuk dari  pemanfaatan energy angin adalah sebagai sumber energi untuk pembangkit tenaga listrik. Pengujian turbin tipe horizontal dan vertical untuk mendapatkan besar kinerja turbin dengan variasi jumlah sudu turbin, sudut kelengkungan turbin dan kecepatan aliran udara. Kinerja turbin dapat dilihat dari besar efisiensinya yang merupakan perbandingan daya keluaran terhadap daya masukan. Daya input turbin diperoleh dari pengukuran laju aliran udara dan luas permukaan penampang turbin yang menerima aliran udara, daya input akan divariasikan dengan memvariasikan laju aliran udara. Dari hasil penelitian  variasi 4 sudu dan 8 sudu. Didapat variabel bebas adalah variasi jumlah sudu. Maka rata-Rata variasi 4 sudu dari hasil penelitian diatas didapatlah rata-rata dari Daya angin sebesar 96,2 Watt dan daya turbin angin sebesar = 4,9 Watt, Maka rata-Rata variasi 8 sudu dari hasil penelitian diatas didapatlah rata-rata dari Daya angin sebesar 77,4 Watt dan daya turbin angin sebesar = 2,78 Watt.Kata kunci :  PLTA,Variasi Sudu 4 dan 8, Daya Angin dan Daya Turbin AnginAbstract — Wind energy is an alternative energy that can be utilized for various purposes in order to replace fossil fuel energy sources. One form of utilization of wind energy is as an energy source for electricity generation. Testing horizontal and vertical type turbines to get the turbine performance with variations in the number of turbine blades, turbine curvature angle and air flow velocity. Turbine performance can be seen from the large efficiency which is the ratio of output power to input power. Turbine input power is obtained from measurements of air flow rate and surface area of the turbine cross section that receives air flow, input power will be varied by varying the air flow rate. From the results of research variations of 4 blades and 8 blades. Obtained an independent variable is the variation in the number of blades. Then the average variation of 4 blades from the above research results obtained an average of 96.2 Watts of wind power and wind turbine power of = 4.9 Watts, then the average variation of 8 blades from the results of the above studies obtained an average of Wind power is 77.4 Watt and wind turbine power is = 2.78 Watt.Keywords :     Hydroelectric Power, Variation of Blades 4 and 8, Wind Power and Wind Turbine Power
Analisis Pengaruh Perubahan Arus Eksitasi Terhadap Karakteristik Generator (Aplikasi Laboratorium Mesin-Mesin Listrik Fakultas Tek rimbawati rimbawati
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Publisher : RELE (Rekayasa Elektrikal dan Energi) : Jurnal Teknik Elektro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (915.476 KB) | DOI: 10.30596/rele.v2i1.3647

Abstract

Abstrak — Pembebanan sistem interkoneksi selalu berubah-ubah setiap saat. Perubahan beban menyebabkan fluktuasi perubahan tegangan keluaran generator dan perubahan pada arus eksitasi generator.  Untuk menghasilkan tegangan keluaran generator yang konstan diperlukan suatu pengaturan tegangan keluaran generator. Pengaturan tegangan tersebut dilakukan dengan mengatur arus eksitasinya. Arus eksitasi adalah sistem pasokan listrik DC sebagai penguatan pada generator atau sebagai pembangkit medan sehingga suatu generator dapat menghasilkan energi listrik dengan besar tegangan keluaran generator bergantung pada besarnya arus eksitasi. Pada penelitian ini menggunakan catu daya DC sebagai arus eksiternya dengan nilai yang bervariasi. Hal ini dilakukan untuk mengetahui karakteristik dari generator terhadap perubahan nilai arus eksitasi yang diberikan. Daya reaktif paling tinggi beban R-L dicapai pada pengaturan arus eksitasi sebesar 3,5 ampere dengan nilai daya reaktif sebesar 661,4 var. Sedangkan pada beban R-C daya reaktif yang dihasilkan lebih rendah dari beban R-L yaitu sebesar 616,93 var. Penelitian ini menyimpulkan bahwa tegangan generator sangat dipengaruhi oleh besar kecilnya arus eksitasi yang diberikan. Semakin besar arus eksitasi yang diberikan maka tegangan keluaran generator akan semakin besar. Hal ini berbanding lurus antara tegangan keluaran generator dengan arus eksitasi yang diberikan. Selain itu, pada pembebanan R-L dan R-C daya reaktif yang dihasilkan juga akan bertambah besar.Kata kunci :    Arus eksitasi, tegangan generator, daya reaktifAbstract — The interconnection system loading is always changing. Changes in load cause fluctuations in changes in generator output voltage and changes in generator excitation currents. To produce a constant generator output voltage a regulation of the generator output voltage is required. The voltage regulation is done by adjusting the current excitation. Excitation current is a DC power supply system as a reinforcement to a generator or as a field generator so that a generator can produce electrical energy with a large generator output voltage depending on the amount of excitation current. In this study, DC power supplies are used as exciter current with varying values. This is done to determine the characteristics of the generator to change the value of the given excitation current. The highest reactive power of the R-L load is achieved at the regulation of the excitation current of 3.5 amperes with a reactive power value of 661.4 var. Whereas at the R-C load the reactive power produced is lower than the R-L load that is equal to 616.93 var. This study concludes that the generator voltage is strongly influenced by the size of the given excitation current. The greater the excitation current given, the greater the generator output voltage. This is directly proportional between the generator output voltage and the given excitation current. In addition, the loading of R-L and R-C reactive power generated will also increase.Keywords :            Excitation current, generator voltage, reactive power

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