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Laboratorium Studio Lt. 2 Jurusan Teknik Elektro Fakultas Teknik UNTAD Palu, Sulawesi Tengah 94118
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Foristek
Published by Universitas Tadulako
ISSN : 20878729     EISSN : 25797174     DOI : https://doi.org/10.54757
Core Subject : Science, Engineering,
Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering
Foristek is a scientific journal published with the aim of facilitating academics and researchers to publish their research results in the field of Innovation electrical engineering. Journal of the Electrical and Information Engineering Forum (Foristek) is a journal published by the Department of Electrical Engineering, Tadulako University. Foristek began publication on September 2, 2011 and published regularly twice a year in May and November.
Arjuna Subject : Teknik (semua kategori) - Teknik Listrik dan Elektro
Articles 4 Documents
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Search results for , issue "Vol. 8 No. 1 (2018): Foristek" : 4 Documents clear
IMPLEMENTASI KONTROL PROPORSIONAL, INTEGRAL DAN DERIVATIF (PID) TERHADAP KECEPATAN MOTOR DC Andi Fatmawati, Mery Subito, Baso Mukhlis
Foristek Vol. 8 No. 1 (2018): Foristek
Publisher : Foristek

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Abstract

Recently, research on DC motor has been rapidly developed, from the wether simple until the advanced / complicated . DC motor utilizes DC power connected to its armature and field (stator) winding, in which the power will be converted to mechanical energy. In addition, DC motor has beneficial in big initial torgue and simple velocity control. When DC motor given the burden of arbitrary, rotation speed of motor also change.PID method was employed to control the rotation speed remaining constant. Implementation and simulation method was proposed in this research. The result shows that when 12,5 V of voltage was applied to DC Motor, at no load – open loop, the rotation speed was 2000 rpm. Increasing load up to 0,5 N.m, decreased the rotation from 2000 rpm to 1404 rpm. Furthermore, for closed loop using Proportional control (P), Proportional Integral (PI) and Proportional Derivatif (PD) control. proved that rotation of motor was unstable. Whereas, PID control method can stabilize the rotation of motor and give just response,reacling steady state at 3,4 s with 0,004 V of error.
RANCANG BANGUN PENGONTROLAN PENGISIAN BATERAI DENGAN SUMBER SEL SURYA BERBASIS ARDUINO Aria Nurul Haq, Saipul, Tan Suryani Sollu, Yusnaini Arifin
Foristek Vol. 8 No. 1 (2018): Foristek
Publisher : Foristek

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Abstract

Palu is municipality located in equator where solar radiation is abundantly available. therefore, utilization of solar energy is potential. solar energy technology has some advantages, such as are of renewable energy, having no pollution an d available everywhere. recently, the use of solar energy technology, especially photovoltaic, has been used widely such as battery charger using photovoltaic. charging battery with photovoltaic as source, has been limited by instability of photovoltaic output voltage. so voltage input of battery is also fluctuated. This research applies cuk converter to increase and decrease the voltage from photovoltaic. to stabilize the output of cuk converter at 13,8 V. PID control is applied with Kp,Kd,Ki, and setpoint are 0.5, 0.25, 0.02, and 110 respectively. The result shows that use of cuk converter can raise and decrease the source voltage by regulating duty cycle, as well reduce ripple of photovoltaic voltage. the average efficiency of the cuk converter is 79 % when charge the battery. the duration time needed to charge fully the battery is 2-4 hours.
ANALISIS GANGGUAN HUBUNG SINGKAT UNTUK SETTING DISTANCE RELAY PADA SALURAN UDARA TEGANGAN TINGGI (SUTT)70 kV ANTARA GARDU INDUK SIDERA – GARDU INDUK TALISE Barthin Tandiling, Aprilius Petingko, Muhammad Sarjan, Yulius Salu Pirade
Foristek Vol. 8 No. 1 (2018): Foristek
Publisher : Foristek

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Abstract

A short circuit is one of the most common types of disturbances in a power system, either short-circuit between wire to ground and short circuit between different phase wires. When the disturbance occurs, the current flowing in the transmission line leading to the center of the disturbance is very large, so it will affect the stability of the entire system, To avoid damage and large losses, the distance relay is used as the main protection in securing the transmission line. This study discusses the short-circuit currents of one ground phenomenon that occurs in the main substation of talise heads, and simulates short circuit one phase to ground using ETAP (Electric Transient and Analysis Program) 12.6.0 software. From the calculation of this research, the largest short circuit current flows occur in the type of short-circuit current disturbance of the ground phases with the disturbance distances at 25% distance of 827,84 A, disturbance distances at 50% distance of 792,97 A, disturbance distances at 75% distance of 760,29 A and short circuit current of one ground phases with distances distances at 100% distance of 729,71 A and the result of distance relay setting value for zone 1 of ZSetting-1 value is 2,672 Ω and ZSetting-0 value is 5,148 Ω, for zone 2 the value of ZSetting-1 is 4,809 Ω and ZSetting-0 value is 9,226 Ω , and for Zone 3 the ZSetting-1 value is 8.91 Ω ZSetting-0 value is 10.117 Ω.
RANCANG BANGUN SISTEM KONTROL TEKNIK PENYIRAMAN TANAMAN HIDROPONIK BERBASIS ARDUINO Chairil Ardin, Andra Pratama Karsal, Tan Suryani Sollu, Maryantho Masarrang
Foristek Vol. 8 No. 1 (2018): Foristek
Publisher : Foristek

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Abstract

Hydroponics is a planting technology that utilizes water without using soil as a growing medium by emphasizing the fulfillment of nutritional needs for plants, the temperature of plant nutrients and watering techniques used. This research aims to design a system to control NFT (Nutrient Film Technique), DFT (Deep Flow Technique) and Ebb and Flow techniques and control the temperature of nutrients water and monitor nutritional water requirements. The result of the research shows that the design of hydroponic plant watering system has been developed. In the Ebb and Flow hydroponics system the process of administering the nutrient solution using a timer while the water temperature of the nutrients is kept optimum 18oC to 28oC using DS18B20 temperature sensor and chiller. While monitoring water level nutrition using water level sensors and GSM module. The GSM module sends a message when the water level of the nutrient reaches a certain level in the reservoir and the alarm will give notice of buzzer when the nutrient water is at low level.

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