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Energi & Kelistrikan
Published by Institut Teknologi Perusahaan Listrik Negara
ISSN : 19790783     EISSN : -     DOI : -
Core Subject : Science, Engineering,
Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Energy Engineering
ENERGI & KELISTRIKAN Journal, especially to the Electrical Engineering Lecturer and generally to all Practitioners to be able to contribute in the form of scientific writing which will be useful for the application of science and technology, especially in the field of Electrical and Electrical Engineering.
Arjuna Subject : -
Articles 17 Documents
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Search results for , issue "Vol 11 No 2 (2019): Energi " : 17 Documents clear
Simulasi Pemodelan Sistem Eksitasi Statis pada Generator Sinkron terhadap Perubahan Beban Hastuti Azis; Pawenary Pawenary; Meyhart Torsna Bangkit Sitorus
Energi & Kelistrikan Vol 11 No 2 (2019): Energi & Kelistrikan
Publisher : Sekolah Tinggi Teknik PLN

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (430.615 KB) | DOI: 10.33322/energi.v11i2.483

Abstract

Excitation system is one of the most important parts of synchronous generators, where the system functions to provide dc power to the field generator coil. Iin this study, a static excitation system consisting of transformers and connected thyristors in bridge configuration has been implemented in synchronous machines that operate as 206,1 mva capacity generators, 16,5 kv using the help of matlab simulink r2017b software. By adjusting the load given to the generator, variations in excitation currents can affect the amount of output voltage generated by the generator so that it can increase and decrease the induced voltage. In full load conditions, namely p = 175 mw, q = 100 mvar, the results of the study show that when the simulation is run at alpha 0 °, it is known that the average value of dc voltage is 496,4 v, excitation current is 1057 a and voltage generator output has increased beyond its nominal voltage of 16,72 kv. in this case, to maintain the terminal voltage, the excitation current must be reduced by increasing the angle of shooting of the thyristor to an alpha angle of 45 °, so that the average dc voltage can be reduced to 479,3 v, as well as the excitation current to 985,9 a. the generator output voltage at the alpha 45 ° angle is obtained according to its nominal value of 1,.5 kv.
Efisiensi Motor Sinkron Linier dengan Magnet Permanen Sebagai Penggerak KRL Terbaru Sofitri Rahayu; Yogi Baskoro
Energi & Kelistrikan Vol 11 No 2 (2019): Energi & Kelistrikan
Publisher : Sekolah Tinggi Teknik PLN

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (221.339 KB) | DOI: 10.33322/energi.v11i2.489

Abstract

The latest electric train at this time has begun to be widely used linear synchronous motors with permanent magnets as driving locomotives. This permanent magnet has the same function as a conventional synchronous motor which is to produce a magnetic field so that the motor can move linearly. This linear synchronous motor does not have a gear (gear) and axis, but the mechanical motion of this linear motor is synchronous with the magnetic field running. This running magnetic field is produced by the entanglement of the three phases and the arrangement of magnetic poles U, S, U, S. Because the motor is linear synchronous is a high-speed motor, the mechanical speed is the same as the speed of the magnetic field running. So that this motor is capable of producing large thrust compared to the use of conventional motors (DC motors and induction motors) to drive electric rail trains. If the conventional synchronous motor uses a frequency of 50 Hz, then the linear high-speed synchronous motor uses a frequency of 5-50 Hz in changing its speed and this research the efficiency, electromagnetic power (thrust) and thrust force of a synchronous motor will be analyzed. linear according to the frequency selection from 5-50 Hz, to drive the electric train locomotive.
Studi Perhitungan Indeks Keandalan Sistem Tenaga Listrik Menggunakan Graphical User Interface Matlab pada PT PLN (Persero) Rayon Kota Pinang Adri Senen; Titi Ratnasari; Dwi Anggaini
Energi & Kelistrikan Vol 11 No 2 (2019): Energi & Kelistrikan
Publisher : Sekolah Tinggi Teknik PLN

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (391.116 KB) | DOI: 10.33322/energi.v11i2.497

Abstract

The level of reliability of a distribution system is very important to ensure the continuity of electricity supply to consumers. This research was conducted to calculate the Saidi reliability index and the Saifi 20 kV distribution system in Pinang PLN in 2017 with the help of the Matlab R2008a application. A GUI is one of the Matlab programs that is widely used in describing information and commands, and its users are possible to form and format themselves according to the needs of the system itself. With the help of this software, it is hoped that it will be easier to calculate the system reliability index, namely the calculation of SAIDI and SAIFI, then the results can be made so that the database is more organized. The calculation results obtained will show the highest and lowest SAIDI and SAIFI values ​​that occur in each of the current months, making it easier to evaluate, analyze and improve the reliability of the electrical power system network in the future, especially in PT.
Penerapan Algoritma Kunang – Kunang (Firefly Algorithm) untuk Optimasi Rekonfigurasi Jaringan Distribusi Radial Yoakim Simamora; Ibnu Hajar; Alex Fernandes
Energi & Kelistrikan Vol 11 No 2 (2019): Energi & Kelistrikan
Publisher : Sekolah Tinggi Teknik PLN

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (548.742 KB) | DOI: 10.33322/energi.v11i2.498

Abstract

ABSTRAK Penelitian ini membahas tentang rekonfigurasi jaringan untuk meminimalkan rugi jaringan pada sistem distribusi. Nilai rekonfigurasi jaringan dibatasi oleh jumlah tie switch yang ada pada jaringan distribusi. Rekonfigurasi jaringan Distribusi merupakan salah satu cara yang dilakukan untuk memperbaiki kualitas daya, kualitas daya dalam hal ini adalah perbaikan jatuh tegangan dan rugi – rugi daya. Binary firefly algorithm digunakan untuk optimasi rekonfigurasi jaringan Distribusi IEEE 33 bus. Skema ini diujikan pada sistem 12,66 kV. Hasil simulasi dengan menggunakan binary firefly algorithm pada saat belum dilakuakn optimasi pada sistem distribusi IEEE 33 bus memiliki rugi jaringan sebesar 202,69 kW dengan tegangan minimum 0,91 pu. Setelah rekonfigurasi jaringan rugi jaringan yang optimal sebesar 139,53 kW dengan tegangan minimum 0,95 pu. Kata kunci: Rekonfigurasi, Rugi-rugi Daya, Fire Fly Algorithm
Analisis Efektifitas Penggunaan Metode Soft Starter saat Start awal pada pengoperasian Motor 220 kW Andi Junaidi; Susan Damayanti
Energi & Kelistrikan Vol 11 No 2 (2019): Energi & Kelistrikan
Publisher : Sekolah Tinggi Teknik PLN

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (848.299 KB) | DOI: 10.33322/energi.v11i2.559

Abstract

The Multipurpose Reactor G.A Siwabessy is a research reactor equipped with a Cooling System consisting of 2 systems, namely the primary cooling system and the secondary cooling system. This Project discusses the effectiveness of using the Soft starter method in the initial starting process of the electric motor in the secondary cooling system which aims to reduce the value of a high current surge when the motor starts working. The data type used is primary data obtained directly by the author through a measurement process with a measuring instrument. When using the Star-Delta method the surge current is 765 A while with the Soft starter method there is a decrease in the current surge value to 517 A, the conclusion of the result is a decrease in the current surge value of 0,677% using the Soft starter method .
Perencanaan Sistem Penerangan Ruangan Soetjipto Soewono; Evi Suhaevi
Energi & Kelistrikan Vol 11 No 2 (2019): Energi & Kelistrikan
Publisher : Sekolah Tinggi Teknik PLN

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (374.611 KB) | DOI: 10.33322/energi.v11i2.589

Abstract

Lighting becomes one of the important factors to support facilities for teaching and learning study. STT PLN building is one of the buildings use as classroom for teaching and learning study that will improve the quality of facilities. Standar lighting in the class room 250 lux base on SNI 03-6197-2000.Research was conducted in the STT PLN building which was used as a class room. Activities include measuring ligh in class room, measuring the width, height and length of s room by using a meter to determine the distance between armatures in the calss room. The existence of this research is expected to be a solution for class building to Standar National Indonesian (SNI). Keywords: storing light, calss room, standar
Analisa Dampak Bayangan Modul Terhadap Output PLTS Adrian Mansur
Energi & Kelistrikan Vol 11 No 2 (2019): Energi & Kelistrikan
Publisher : Sekolah Tinggi Teknik PLN

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (673.715 KB) | DOI: 10.33322/energi.v11i2.746

Abstract

Solar cells are a technology that converts sunlight into electricity, therefore if there is a shadow that covers the surface of the module it will cause a decrease in energy production, therefore this study aims to see the impact of shadows on the module by analyzing the output per PLTS array, then the shadow source removed. The analysis shows that there is an increase in output at 06.00-12.00 in array 2 by 48% above the increase in average output which is only around 24%, as well as in the output style that is not far adrift from other arrays with only 1 % deviation remaining At 12.00-18.00 changes in output can also be observed in Array 4 by 46% above the average increase of only 39%, as well as the output style with a deviation from 21% to 1%.
Sistem Otomatisasi Sirkulasi dan Penggantian air Kolam Menggunakan Arduino Uno untuk Peternakan Ikan di Sukabangun Kabupaten Ketapang Syarif Ishak Alkadri; Yudi Chandra
Energi & Kelistrikan Vol 11 No 2 (2019): Energi & Kelistrikan
Publisher : Sekolah Tinggi Teknik PLN

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (333.107 KB) | DOI: 10.33322/energi.v11i2.760

Abstract

This tool detects turbidity by paying attention to the resistance value on the LDR sensor that is the less light received by the LDR sensor, the higher the resistance so that at some level will appear on the LCD whether classified as turbid, very turbid, clear or very clear. While the drain pump will work if the water is considered unhealthy for fish, for example, turbid water is even very turbid and the pump will die if the ultrasonic sensor has got the maximum distance ie in this system it is> 21 cm Filling pump will work if pump 1 is dead and will die if has reached the minimum distance of <= 7 cm. While for the PH value can be seen through a probe dipped in the pool and the results can be known on the LCD, if the water is detected to have an abnormal PH then the pump will drain automatically until the water PH state becomes normal and the automatic feeder system is by adjusting the delay of the servo motor. From the tests carried out, it was found that this tool can detect the level of turbidity of water whether the water is classified as very turbid, turbid, less clear, clear and if what is detected is very turbid then the pump will drain and refill automatically. This tool can also detect the PH value of water which will command the drain pump to work if the water PH is not normal as programmed. and can feed automatically whether 3,4,5 or 6 times a day.
Pengujian Dissipation Factor pada Transformator dengan Jumper dan tanpa Jumper Bushing Luqi Abidin
Energi & Kelistrikan Vol 11 No 2 (2019): Energi & Kelistrikan
Publisher : Sekolah Tinggi Teknik PLN

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (788.403 KB) | DOI: 10.33322/energi.v11i2.762

Abstract

Dissipation Factor atau Tan delta (δ) merupakan salah satu metode pengujian untuk mengetahui kondisi isolasi transformator, namun dalam penggunaannya muncul 2 prosedur pengukuran yang berbeda, pertama pengukuran menggunakan jumper dimaksutkan untuk pemerataan aliran arus(paralel), yang kedua tanpa jumper beranggapan bahwa didalam belitan sudah terhubung sehingga tidak perlu menggunakan jumper lagi, untuk mengetahui prosedur pengujian mana yng menghasilkan data lebih valid dilakukan pengujian dengan 2 variabel berbeda, pertama pengujian terhadap perubahan frekuensi yang kedua terhadap perubahan tegangan, rata-rata hasil pengujian didapatkan nilai dissipation factor untuk pemakaian jumper sebesar 0.5% sedangkan tanpa jumper 30%, dari sini dapat disimpulkan bahwa tanpa jumper mengakibatkan tambahan dielectric losses dari masing-masing fasa dan juga arus yang mengalir pada rangkain tanpa jumper lebih bersifat resistif, sehingga mengakibatkan nilainya menjadi tinggi dan mengakibatkan pengukuran menjadi tidak valid.
Pengembangan kWh Meter Elektronik untuk Pengecekan CT Konsumen Secara On Site Fadjar Kurniadi
Energi & Kelistrikan Vol 11 No 2 (2019): Energi & Kelistrikan
Publisher : Sekolah Tinggi Teknik PLN

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (308.347 KB) | DOI: 10.33322/energi.v11i2.765

Abstract

Current Transfomer(CT) accuracy for big customers is very important. Constraints Execution of CT accuracy testing on big customers is quite a lot of customers and scattered, and longtime outage duration. Development of electronic kwh Meter for checking on-site CT customers as a solution to these problems. The onsite CT measurement method is carried out by comparing the primary and secondary of the CT by utilizing the current coil on the electronic kWh Meter. This method has several advantages, lower costs, easy procurement, easy and fast operation, so the duration of outages can be minimized. This method is very supportive in the implementation of the Revenue Assurance program.

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