cover
Contact Name
Muhamad Rifai
Contact Email
eltek@polinema.ac.id
Phone
+6281233533011
Journal Mail Official
eltek@polinema.ac.id
Editorial Address
Jurusan Teknik Elektro Politeknik Negeri Malang
Location
Kota malang,
Jawa timur
INDONESIA
Jurnal ELTEK
ISSN : 16934024     EISSN : 23550740     DOI : doi.org/10.33795/eltek
Jurnal ELTEK merupakan media yang diterbitkan oleh Politeknik Negeri Malang sebagai sarana diseminasi dan publikasi artikel hasil penelitian dan artikel konseptual yang dilakukan oleh para peneliti, akademisi, praktisi dan industri di bidang Teknik Elektro. Artikel yang diajukan untuk diterbitkan pada jurnal ELTEK merupakan naskah asli dan belum pernah dipublikasikan secara tertulis pada majalah atau jurnal ilmiah dimanapun Jurnal ELTEK memuat artikel hasil penelitian dan konseptual dalam cakupan bidang ilmu Teknik Elektro yang meliputi: Ketenagalistrikan, Teknik Kendali, Kecerdasan Buatan, Teknik Komputer, Teknik Telekomunikasi, Teknik informatika, Teknik Biomedik, Elektronika Daya, Energi Terbarukan, Sistem Embedded, Jaringan Komputer, Sistem Operasi, Manajemen Data dan Sistem informasi, dan lain-lain. Jurnal ELTEK terbit dua kali dalam setahun masing-masing pada bulan April dan Oktober. Redaksi mengundang penulis dan peneliti untuk menyumbangkan artikel penelitian atau artikel konseptual kepada Editor Jurnal ELTEK. Editor menentukan apakah suatu artikel akan dimuat atau tidak dan memiliki hak untuk mengubah atau mengoreksi teks sejauh tidak mengganggu maksud atau kontennya. Naskah yang tidak dimuat tidak dikembalikan ke penulisnya
Articles 7 Documents
Search results for , issue "Vol 16 No 1 (2018): ELTEK Vol 16 No 1" : 7 Documents clear
RANCANG BANGUN PERANGKAT PEMBANGKIT PWM BIPOLAR Fathoni Fathoni
JURNAL ELTEK Vol 16 No 1 (2018): ELTEK Vol 16 No 1
Publisher : Politeknik Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1107.242 KB) | DOI: 10.33795/eltek.v16i1.83

Abstract

Electrical power settings, both AC and DC can be done by linear or switching. Controlled loads may be motors, heating elements or incandescent lamps. Generally the efficiency of load power control by way of switching is better than linear way so the way switching is widely used today. Switching also allows for automatic, remote and wireless control In load power management system with microcontroller, PWM generator circuit output is used for control of power switch. The output pulse can be TTL standard or with lower amplitude and on the control of the H bridge circuit required bipolar PWM with additional dead band on each side of the pulse ride. The bipolar PWM generator designed in this study has an output with TTL standard with a dead band circuit and a short circuit protection for VCC = 5 volts and a ground path, Testing with no load and short circuit in low and high output states is as follows. VOL(min) = 0.4 volts, VOH(max) = 4.2 volts. The short circuit of output to high GND is 100 mA and short circuit current to VCC path at low output is 90 mA, The output frequency of bipolar pulses is, 50, 100, 1k, 10k and 20k Hz with 10μs dead band
KAJIAN PENERAPAN SENSOR MIC-CONDENSER DALAM RANCANG BANGUN SOUND LEVEL METER DIGITAL. Achmad Komarudin; Hariyadi Singgih; Moh. Luqman
JURNAL ELTEK Vol 16 No 1 (2018): ELTEK Vol 16 No 1
Publisher : Politeknik Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1185.66 KB) | DOI: 10.33795/eltek.v16i1.89

Abstract

Noise levels in the industrial and urban streets have a threshold value that has been determined by the Regulation of the State Minister of the Environment Number 07 Year 2009 for motor vehicles. And Minister of Manpower Number: KEP-51 / MEN / 1999 for industrial environment. To know the value of noise is required a Digital Level Sound Meter gauge that can be used as a measuring instrument of sound intensity noise value of motor vehicle exhaust and other sound sources. This tool can change the amount of sound pressure converted in LCD display. This Digital Sound Level Meter is used to measure the feasibility of thresholds on exhaust and other sound sources. The purpose of this research is to study the application of Mic-condenser sensors in Digital Sound Level Meter design The research method is to design and design the system, using mic condenser sensor, designing signal conditioner using op-amp with series of Absolute Value Modulus (MAV), which can rectify AC voltage into DC using Microkontroller ATMega 8535 as data processing result of data processing which has become the quantity sound pressure with decibels (dBA) is presented in LCD devices The results of the system test show that this Digital Sound Level Meter can run and can display the sound pressure level captured by the mic condenser sensor, and from the result of the Digital Sound Level Meter test compared to the comparison tool obtained an error of 2.94%.
STUDI PERENCANAAN PROTOTIPE SISTEM OTOMASI METERING GARDU INDUK MENGGUNAKAN KONSEP HUMAN MACHINE INTERFACE Irwan Heryanto Eryk; Slamet Nurhadi
JURNAL ELTEK Vol 16 No 1 (2018): ELTEK Vol 16 No 1
Publisher : Politeknik Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1327.965 KB) | DOI: 10.33795/eltek.v16i1.84

Abstract

This research is studying the automation of substation monitoring system especially in metering equipment. It was aimed to plan and implemented the substation design that monitored with SIMATIC WinCC program. The equipments are PLC, PM-710, SIMATIC WinCC, Movicon, relay, MCB, CT and Transformers. It used 3 phase power supply connected to several load of Resistor (R),Inductor (L), and Capacitor (C). PM-710 was used to measure the outgoing load datas that connected and saved to Personal Computer (PC). The experiment were using the varied load. Base on the module, the power substation simulated with WinCC and the reading metering datas such as real power, apparent power and power factor also frequency by MOVICON that displayed in the PC monitor.
KAJIAN EFISIENSI ENERGI DENGAN PENGATURAN SUPLAI ENERGI LISTRIK Mochammad Mieftah
JURNAL ELTEK Vol 16 No 1 (2018): ELTEK Vol 16 No 1
Publisher : Politeknik Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1158.01 KB) | DOI: 10.33795/eltek.v16i1.90

Abstract

A power system can be said to be reliable if it has a high continuity of service. To achieve this, an operational arrangement is required to optimize installed power to supply the load to avoid overloading or over-supply of the system. Modjopanggoong Sugar Factory Tulungagung is one of the sugar producing industries, where the electrical system in this factory uses two power supply, which is using PLN supply and Turbine Generator Boiler (BTG). The use of more than one power supply resulted in an increase in the required electricity production costs. To solve this problem, in this research will be conducted a study to make efficient of electrical energy cost which is done by arranging supply of electric energy, that is using maximum supply of BTG and its deficiency supported PLN supply (alternative I), using PLN maximum supply and its deficiency is supported BTG supply alternative II) and only use PLN supply (alternative III). The results showed that energy efficiency can be done with the regulation of energy supply at the factory, that is in alternative I with savings Rp.430.025.007 (2.1%), alternative II with savings of Rp. 553,984,815 (2.7%), and alternative III with savings of Rp. 2.055.727.407 (10%).
PENINGKATAN RESOLUSI SENSOR LOAD CELL PADA TIMBANGAN ELEKTRONIK Eka Mandayatma
JURNAL ELTEK Vol 16 No 1 (2018): ELTEK Vol 16 No 1
Publisher : Politeknik Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1082.389 KB) | DOI: 10.33795/eltek.v16i1.85

Abstract

Electronic scales are heavy gauges that are widely used both in the laboratory and in the business world. One of the main sensors of electronic scales is the load cell. The direct use of load cell will result in the achievement of the standard resolution of the load cell or ADC system used, so the resolution of the scales will be quite low as it is determined only by the load cell measurement range and the ADC resolution where the dynamic range of the ADC is not reached.In this article will be made electronic efforts to increase the resolution of the scales so that the accuracy of weighing can be better. Improved resolution attempts are made with electronic signal processor and conditioners, among others, by amplifying, summing and leveling amplifiers and to prevent noise being attempted by filtering. Data processing is done by comparing the resolution value of Load cell without signal conditioner and load cell resolution with signal conditioner. Load Cell with a load range of 0 - 5 kg in conditioning with 200x gain obtained output 113 mV to 1200 mV. With a standard ADC at a resolution of 20 mV / bit will be obtained 0000 0110 to 0011 1110 By adding a Leveling Amplifier circuit obtained output 48 mV for load 0 kg and 4.87 Volt for 5 kg load, ADC output in the range 0000 0010 to 1111 1100. Usage ADC without leveling 21% and with 98% leveling. Without leveling weighing resolution is 89 grm / bit and with 20 grm / bit leveling. Increased weighing resolution of 345%.
SIMULASI DAN EKSPERIMEN KONTROL AUTOMATIC TURRET GUN Mohamad Nasyir Tamara; Bambang Pramujati; Hendro Nurhadi; Endra Pitowarno
JURNAL ELTEK Vol 16 No 1 (2018): ELTEK Vol 16 No 1
Publisher : Politeknik Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1410.9 KB) | DOI: 10.33795/eltek.v16i1.82

Abstract

This research presented Active Force Control (AFC) as a control method which is applied to Automatic Turret gun (ATG) in ground combat vehicles This method compares the reference force conducted by actuator with actual force of the mechanical systems that arise due to disturbances. The advantage of AFC method is its ability to handle disturbances effectively without complicated mathematical calculations. The AFC method uses Crude Approximation (CA) in the internal loop controller AFC as inertia matrix estimator as an important part in the control loop. Simulation without load on the azimuth movement shows PID controller produces the best precision with MSE of 0 degrees while RACAFC and RAC method provide MSE 0.267 degrees. In simulation on the elevation movement, the RAC method showed the best results with an estimated MSE of the targets shot of 2.42 degrees, while the PID and RACAFC method are 2.5 and 2.46 degrees. When simulation is conducted with additional load RACAFC method gives the best precision with a MSE of 0.267 and 2:46 degrees, while the PID method was 4.24 and the 10.52 degrees. RAC method produces MSE of 0.7 and 2.87 degrees. With the added load the performance of PID controller decreases. In the experiment on the constructed rig, RAC and RACAFC scheme produce smoother movement trajectory and minimum oscillation compared to the PID controller. In loaded conditions these methods are able to maintain their performance. However, these three methods can still achieve a reference point with or without load in the end of travel time
KAJIAN IMPLEMENTASI PIRANTI THERMOELECTRIC (PELTIER) SEBAGAI SISTEM PENGATUR SUHU THERMOS PENYIMPAN SPERMATOZOA Hariyadi Singgih; Subiyantoro Subiyantoro; Siswoko Siswoko
JURNAL ELTEK Vol 16 No 1 (2018): ELTEK Vol 16 No 1
Publisher : Politeknik Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1243.73 KB) | DOI: 10.33795/eltek.v16i1.88

Abstract

One alternative application of technology in the field of animal reproduction is by artificial insemination technology (IB). Artificial Insemination Process (IB) is a technique for inserting spermatozoa or semen which has been melted and processed first into the female genital tract. To obtain good quality cement, cow sperm preservation by dilution and followed by cooling to 5 ° C (chilling process). The chilling process with cement storage using 5 ° C will keep the cement life of 7 to 10 days. For this fulfillment, the Thermos box prototype is designed as a spermatozoa storage device to ensure good cement quality. The research method is design of prototype tool using Thermoelectric TEC (peltier) type device TEC1-12706T200. And use the LM35 temperature sensor device to detect the temperature in the box. Thermos. This study examines the efficiency of time required by the system when it reaches 5.0 ° C. and influential parameters in accelerating the temperature performance of 5.0 ° C. The readable temperature of the LM35 sensor will be displayed on a 16x2 LCD monitor. Data processing system using Arduino Microcontroller. Measurement result and performance assessment of Thermoelectric TEC (peltier) device type TEC1-12706T200 when it reaches maximum working temperature 5,5 º C within 8 hours. has an error of 2.5%. which depends on the size of the power supply (Current) electricity.

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