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Jurnal Media Elektro : Journal of Electrical Power, Informatics, Telecommunication, Electronics, Computer and Control System
Published by Universitas Nusa Cendana
ISSN : 22526692     EISSN : 27154963     DOI : http://doi.org/10.35508/jme
Core Subject : Science, Engineering,
Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Energy Engineering
Jurnal Media Elektro adalah merupakan jurnal ilmiah yang menyajikan artikel yang bersifat original tentang pengetahuan dan informasi riset ataupun aplikasi riset dan pengembangannya. Jurnal ini merupakan sarana publikasi dan karya riset beserta pengembangannya di bidang teknologi. Untuk penulis yang berminat untuk Pemuatan artikel di jurnal ini, maka dapat dialamatkan ke email:media.elektro.undana@gmail.com. Artikel yang masuk akan diseleksi oleh editor. Jurnal ini terbit secara berkala sebanyak dua kali dalam setahun.
Arjuna Subject : -
Articles 8 Documents
 1 
Search results for , issue "Vol 10 No 1 (2021): April 2021" : 8 Documents clear
ANALISIS RUGI DAYA DI PENYULANG OEBUFU PT. PLN (PERSERO) ULP KUPANG MENGGUNAKAN ALGORITMA GENETIKA Agusthinus S. Sampeallo; Wellem F. Galla; Dhanang H. L. Rohi
Jurnal Media Elektro Vol 10 No 1 (2021): April 2021
Publisher : Universitas Nusa Cendana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35508/jme.v0i0.3762

Abstract

The distribution system has a very important role in distributing electrical energy to costumers. Power quality in distribution system can affect the flow of electric distribution. Increase of electrical power demand can affect to power distributing quality like power losses, voltage drop and lower power factor. Load increasing make a reactive current can be up when flow in high resistance conductor as an effect. Installation of capacitor in distribution system is a one of the most efficient method to power losses pressure. This study discusses the optimization of capacitors location and capacity. Genetic algorithm is using as an optimization method. Backward-Forward Sweep Method to be the method of power flow analysis before and after instalation of capacitors to see their effect. Result of genetic algorithm will compare with manual calculation of choosing capacitors to know how effectively of genetic algorithm. This scheme is tested in Feeder Oebufu on 20 kV distribution system under PT. PLN (Persero) ULP Kupang operation. The test divided into 4 case included: before installation, placement of 1 capacitor, 2 capacitors, and 3 capacitors. Best result got in 3 capacitors simulation. Before installastion of capacitor, the power losses is 771,9928 kW, voltage minimum is 0,9842 pu, and power factor is 0,91257. Placement of 3 capacitors on bus 131 127, and 64 decrease a total power losses to be 31,164 kW, in other hand increase voltage profile around bus locations and power factor to be 0,99257.
PERANCANGAN SISTEM KONTROL AYUNAN BAYI OTOMATIS DAN MONITORING SENSOR MENGGUNAKAN APLIKASI ANDROID Nursalim Nursalim; Don E.D.G Pollo; Efraim Yosep Woso Paratu
Jurnal Media Elektro Vol 10 No 1 (2021): April 2021
Publisher : Universitas Nusa Cendana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35508/jme.v0i0.3808

Abstract

Significant technological developments have led to various automatic equipment that can replace human labor. Automatic technology also offers efficiency and effectiveness in all areas of human life especially for household appliances. One of the household appliances that use this system is baby equipment such as baby swings. The existing baby swings are still using conventionally with the human power. This study aims to design an automatic technology for baby cradles so it can help mothers (user) to keep monitor the baby’s condition while doing other work or even from a distance. This baby swing device is designed to use a sound sensor to detect the sound of a crying baby and a gas sensor to detect when a baby is defecating with the Arduino UNO Microcontroller as the core of the baby swing controller and Android as a control and information media to the user. Based on the results of research and testing, this automatic baby swing tool is already running well, where when the baby cries, the sound sensor will detect and move the DC Motor and display a notification on the android.
IMPLEMENTASI CHALLENGE RESPONSE AUTHENTICATION MECHANISM (CRAM) UNTUK KEAMANAN TRANSAKSI PERANGKAT IoT Hendro FJ Lami; Hendro F J Lami; Stephanie I Pella
Jurnal Media Elektro Vol 10 No 1 (2021): April 2021
Publisher : Universitas Nusa Cendana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35508/jme.v0i0.3836

Abstract

This research aims to secure data transaction in Internet of Things (IoT)devices using the challenge-response authentication mechanism (CRAM). The research choose uses ESP 8266 and ESP 32 to develop the system for their ability to run micropython programming language. Using a random challenge to grant authentication protects the system from replay attack from intruders. In each authentication process, the client receives a 10 digit random number to be encrypted using a shared key and sent back to the server. The server then checks if the client posses the correct key by decrypting the encrypted challenge using the same shared key. Access is granted if the decryption result is equal to the original challenge.
RANCANG BANGUN DAN ANALISA UNJUK KERJA SISTEM PENGAWASAN DENGAN FRAME RATE DINAMIS BERDASARKAN DETEKSI PERGERAKAN Stephanie Imelda Pella
Jurnal Media Elektro Vol 10 No 1 (2021): April 2021
Publisher : Universitas Nusa Cendana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35508/jme.v0i0.3837

Abstract

Designing the Internet of Things (IoT) based surveillance systems is usually a trade of the frame rate in the video streaming to capture any movement in the frame and the bandwidth needed to stream the video. This research proposes a way to achieve bandwidth efficiency while still stream in a required frame rate by implementing video streaming with a dynamic frame rate based on movement detection. The system comprises surveillance devices; each consists of a Raspberry Pi single-board computer connected to a camera, and a central web server that mainly handles user authorization. The system was developed using Motion server, MySQL database engine, and PHP programming language. A system measurement using Wireshark network analyzer is used to evaluate key parameters of the system such as bandwidth requirement, round trip time delay, and error packet. The result shows that using a system with a dynamic frame rate requires as little as 25% bandwidth compared to the system with fix framer rate.
SISTEM MONITORING SINYAL ELEKTROKARDIOGRAM (EKG) MENGGUNAKAN THINGSPEAK CLOUD COMPUTING Amin Ajaib Maggang; Beby H. A. Manafe; Sarlince O. Manu; Johanis F. M. Bowakh
Jurnal Media Elektro Vol 10 No 1 (2021): April 2021
Publisher : Universitas Nusa Cendana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35508/jme.v0i0.3838

Abstract

Developments in electronics and software have led to many cloud server applications that can be integrated with Arduino Uno to create an inexpensive cardiovascular health monitoring system. Therefore, this study aims to build a heart health monitoring system based on the internet of things by utilizing the free ThingSpeak server account and the AD8232 ECG sensor. The results show that the developed system can send ECG data and display it on the ThingSpeak server, although only the QRS and RR segments of the ECG signal can be displayed properly and meet its normal standards. Apart from this, the system is also able to automatically calculate and display the heart rate on the output of the ThingSpeak server every 15 seconds, so that heart health can be monitored in real-time.
PENGARUH PERTAMBAHAN BEBAN TERHADAP KESTABILAN TEGANGAN DALAM PEMODELAN PEMBANGKIT LISTRIK TENAGA ANGIN Evtaleny R Mauboy
Jurnal Media Elektro Vol 10 No 1 (2021): April 2021
Publisher : Universitas Nusa Cendana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35508/jme.v0i0.3892

Abstract

Voltage stability is the main focus in supplying the electricity power to the consumer. The power quality is important as the stability and the continuing supply is well maintained. This research aims to regulate the system voltage when the load increased with the addition of wind turbines. The simulation using Simulink/MATLAB with 2x1,5MW wind turbines connected to 2 MVA Synchronous Machine. The load is connected and increased gradually. The voltage stability can be maintained when the load is increased up to 50%. The voltage loses its stability when the load near its full capacity. The control is applied and the voltage can be maintained its stability with the addition of reactive power compensation
SISTEM PEMANAS INDUKSI DENGAN MENGGUNAKAN SOLENOID COIL DAN MIKROKONTROLER Sri Kurniati; Sudirman Syam; Febri Lumban Bantoruan
Jurnal Media Elektro Vol 10 No 1 (2021): April 2021
Publisher : Universitas Nusa Cendana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35508/jme.v0i0.3902

Abstract

Pemanas induksi memiliki keterkaitan erat dengan kumparan induksi, di ameter kumparan, benda kerja, dan beban yang dipanaskan. Ketiga faktor ini memiliki pengaruh terhadap karakteristik pemanas yang dibuat. Tujuan dari penelitian adalah mengetahui pengaruh kinerja pemanas terhadap perubahan diameter dan jumlah lilitan kumparan induksinya. Adapun metode yang digunakan adalah metode eksperimental, dengan membuat sistem pemanas induksi dan melakukan pengujian terhadap pemanas yang telah dibuat. Hasil pengujian menunjukkan bahwa dalam pengujian suhu 1000C tanpa beban terhadap waktu pemanasan adalah 1,32 menit pada diameter benda kerja 7 cm dengan 7 lilitan. Ini adalah waktu tersingkat dibanding dengan diamater 7 cm dengan 12 lilitan yakni 2,22 menit. Selanjutnya, pada pengujian dengan beban terhadap waktu, dengan volume air 231mL diperoleh waktu pemanasan 2,79 4 menit. Selain itu, energi terkecil yang digunakan dalam waktu yang singkat ini adalah 83,89 kJ.
Sampul | Dewan Redaksi | Daftar Isi JME JME
Jurnal Media Elektro Vol 10 No 1 (2021): April 2021
Publisher : Universitas Nusa Cendana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35508/jme.v0i0.6399

Abstract

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