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Leonardus Sandy Ade Putra
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telectrical@untan.ac.id
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Jl. Prof. Dr. Hadari Nawawi, Pontianak 78124, Indonesia
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INDONESIA
Telecommunications, Computers, and Electricals Engineering Journal
Published by Universitas Tanjungpura
ISSN : -     EISSN : 30260744     DOI : https://dx.doi.org/10.26418/telectrical.v1i2
Core Subject : Science, Engineering,
Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Energy Engineering
Signal Processing; Communication Networks; Artificial Intelligence, Computer Technology; Power Systems; Image Processing
Arjuna Subject : Teknik (semua kategori) - Teknik Listrik dan Elektro
Articles 14 Documents
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Search results for , issue "Vol 2, No 1: June 2024" : 14 Documents clear
DESIGN AND IMPLEMENTATION OF DIGITAL TV ANTENNA WITH RF AMPLIFICATION FOR CHANNELS 478-694 MHZ Pitri, Putra Aditya; Suryadi, Dedy; Imansyah, Fitri
Telecommunications, Computers, and Electricals Engineering Journal (TELECTRICAL) Vol 2, No 1: June 2024
Publisher : Faculty of Engineering, Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/telectrical.v1i3.75950

Abstract

Digital television is a device used to capture digital TV broadcasts, this type of television uses digital modulation and compression systems to broadcast image, sound, and data signals to television sets. The need for this technology requires a device that can work to carry out the digital TV communication function. One very important communication device is the antenna. B iquad antenna is a loop antenna with a rectangular contour and is paralleled to get a smaller impedance. Wireless communication is inseparable from the existence of antenna devices. This research only focuses on analyzing signal reception on digital TV frequencies 478-694 MHz and on antenna design. This research discusses the design of a digital TV antenna with an RF amplifier and analyzes the parameters of the antenna design results and optimizes the antenna design to fit specifications. Simulation results on CST studio show that the biquad antenna has a VSWR value of 1.64, return loss of -12.26 dB, bandwidth of 114.44 MHz, gain of 9.080 dBi, and directivity of 9.253 dBi. These parameter values are obtained after performing an optimization process from previous simulations that still do not meet specifications. In the correlation of digital TV, antennas with RF amplifiers are able to capture very good signal strength and quality on each channel on the digital TV screen so that good image quality is obtained.
STUDY ON THE EFFECT OF WATER CONTENTS IN THE DISTRIBUTION TRANSFORMER OIL AGAINST IT'S BREAKDOWN VOLTAGE Manurung, Daniel Julius Pangihutan; Kurnianto, Rudi; Rajagukguk, Managam
Telecommunications, Computers, and Electricals Engineering Journal (TELECTRICAL) Vol 2, No 1: June 2024
Publisher : Faculty of Engineering, Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/telectrical.v2i1.79073

Abstract

The degradation of electrical power quality due to high water content in transformer oil is a critical issue because water in transformer oil can cause insulation degradation, increase electrical conductivity, and accelerate the corrosion process of internal components. This results in a decrease in transformer performance and reliability, and increases the risk of electrical faults or failures that can have far-reaching impacts on the power distribution network. Water damage can also shorten the operational life of the transformer and increase maintenance and component replacement costs. Therefore, testing the breakdown voltage, moisture content, and flash point of distribution transformer oil is very important to determine the feasibility of transformer oil. This study aims to determine the effect of moisture content on breakdown voltage and flash point, as well as the effect of breakdown voltage on flash point. By using the test method of breakdown voltage, moisture content, and flash point is expected to determine the feasibility of transformer oil. The results obtained from the old transforamtor oil (14 years) have a breakdown voltage of 1.3 kV, the transformer oil has been used (2 years) of 24.25 kV, and for the new transformer oil of 34.4 kV. For old transformer oil moisture content of 140.19 ppm, used transformer oil moisture content of 34.03 ppm, new transformer oil moisture content of 26.04 ppm, old transformer oil flash point measurement results of 148 ° C, used transformer oil samples of 150 ° C, and new transformer oil samples of 160.5 ° C. In conclusion, the old and new transformer oil is still suitable for use.
EVALUATION OF PUBLIC STREET LIGHTING IN TANJUNGPURA UNIVERSITY ENVIRONMENT Dirgantoro, Katon Sigit; Danial, Danial; Arsyad, Muhammad Iqbal
Telecommunications, Computers, and Electricals Engineering Journal (TELECTRICAL) Vol 2, No 1: June 2024
Publisher : Faculty of Engineering, Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/telectrical.v2i1.76395

Abstract

Public Street Lighting (PJU) is a means used to improve the function of the road so that it can illuminate the road at night, improve safety, security, traffic comfort and make road users more comfortable in the campus environment. PJU lights in the Tanjungpura University environment already exist on Jalan Prof. Dr. H. Hadari Nawawi, especially around Tanjungpura University Currently, these lights use 250 watt SON lamps with a pole height of ± 9m and produce an average light intensity of 2188.38 cd with a light intensity of 16.69 lux. The average energy consumption per day is ± 170 kW, but the lighting intensity is not in accordance with SNI standards. The recommended improvement effort is to replace them with 120 watt LED lamps, which can meet SNI standards for secondary collector road classes with an illumination intensity of 3-7 lux. Evaluation and recommendations are needed to improve lighting conditions in the neighborhood. After being replaced with 120 watt LED lights, the average pole height is ± 9m, the light intensity is 954.52 cd, and the illumination intensity is 7,28 lux, the results meet the SNI standards for secondary collector road classes. Although the monthly electrical energy consumption reaches Rp.4,721,640, LED lights produce a clearer contrast of light on objects, although the intensity is lower than SON lamps which have a greater intensity, but the color and contrast on objects become clearer
STUDY OF THE EFFECT OF SCIG BASED VARIABLE SPEED WIND POWER PLANT ON DISTRIBUTION SYSTEM VOLTAGE AND POWER LOSSES Agni, Muhammad Wisnu Satriyo; Gianto, Rudy; Junaidi, Junaidi
Telecommunications, Computers, and Electricals Engineering Journal (TELECTRICAL) Vol 2, No 1: June 2024
Publisher : Faculty of Engineering, Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/telectrical.v2i1.76141

Abstract

Wind power plants are a type of power plant that uses wind energy as the main source to produce electrical energy. This research analyzes the effect of wind power generation on voltage and power losses under light load, peak load, and average load conditions in the distribution system. The data that will be used is 33 bus distribution system data and distribution system network data. Then thoroughly calculate the voltage and power losses of the distribution system using MATLAB software version R2016A. This research obtained the results that the lowest voltage in the 33 bus distribution system occurred on bus 18, so that bus would be connected to the PLTB. As the mechanical power of the turbine increases, the system voltage profile for various load conditions improves. In the distribution system, before the PLTB was connected, the best voltage profile at light load was 0.9378 pu and the worst voltage profile at peak load was 0.8671 pu. After the system is connected to the PLTB, the light load becomes 0.9466 pu, the peak load becomes 0.8771 pu, and the average load becomes 0.9131 pu. By connecting the system with PLTB, power losses at light loads are reduced to 184.8918 kW (Pm = 2.0200 pu), peak loads are reduced to 807.7297 kW (Pm = 3.6880 pu), and average loads - the average decreases to 437.8619 kW (Pm = 2.7709 pu).

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