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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 7 Documents
 1 
Search results for , issue "Vol 1, No 2 (2011)" : 7 Documents clear
PERENCANAAN KONFIGURASI KOMUNIKASI DARAT TERPADU Amir, Ardi
FORISTEK : Forum Teknik Elektro dan Teknologi Informasi Vol 1, No 2 (2011)
Publisher : FORISTEK : Forum Teknik Elektro dan Teknologi Informasi

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Abstract

Switching process with the utilization of system LTR (Logic Trunked Radio) begins with the handshake between the mobile data with a repeater which ensures that the signaling does not occur on the wrong channel and prevents mobile with a strong signal using a channel that has been unused. Determination of the use of home repeater and channel ID in terms of flight safety and interests of users with uniformity throughout the airport which is determined by radio trunking operator. In terrestrial communication systems integrated with EF LTR. Johnson's lines of communication that is formed resembles the organizational structure chart so easily developed and communication links between the parts can be easily arranged.   Keyword : radio trunked Logic, home repeater.
RANGKAIAN PENYEARAH SETENGAH TERKENDALI TIGA FASA UNTUK PENGENDALIAN KARAKTERISTIK MOTOR ARUS SEARAH SHUNT Adam, Ahmad Antares
FORISTEK : Forum Teknik Elektro dan Teknologi Informasi Vol 1, No 2 (2011)
Publisher : FORISTEK : Forum Teknik Elektro dan Teknologi Informasi

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Abstract

A modern control of electric motor’s speed in an industry  needs a variable direct voltage. The variable direct voltage can be supplied by semiconductor devices such as SCR. The output voltage of a SCR rectifier depends on the delay angle of the SCR. The aim of this research is to make a SCR rectifier circuit and applying it for observing the characteristics of a shunt direct current motor. The result shows the circuit can work to demonstrate the shunt motor characteristics.   Keywords : Rectifier ciscuit, Three phases, Shunt motor, Characteristics.
PENGHEMATAN ENERGI MELALUI PENGGANTIAN LAMPU PENERANGAN DI LINGKUNGAN UNTAD Mukhlis, Baso
FORISTEK : Forum Teknik Elektro dan Teknologi Informasi Vol 1, No 2 (2011)
Publisher : FORISTEK : Forum Teknik Elektro dan Teknologi Informasi

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Abstract

This study aims to determine how much influence the replacement of lighting (fluorescent or TL lamps, incandescent) with energy efficient lighting towards payment of electricity accounts Untad which has now reached an average of Rp 79,676,246 per month. Data on the number and type of lighting used in this study, obtained from the equipment Untad. From the existing data is known that fluorescent lamps 40 watts of power still dominates its use when compared with energy-saving lamps. Spread usage of these lights in the room numbering approximately 708 rooms in Untad environment. The calculation of savings done by looking at the difference in cost between the energy-saving lamps with other lamps for 12,000 hours of lighting the flame. Results showed that by replacing all fluorescent lamps (TL lamps), incandescent bulbs with energy-efficient lighting can reduce electricity Untad payment of Rp 4,396,015 per month or as much as Rp 52,752,180 per year. If adjusted to the age of the lamp will be a savings of USD 253,650,065 while the investment cost of energy saving light bulbs should be issued to replace the entire lamp is only about USD 144.75 million.   Keywords : saving energy,  fluorescent lamp, saving energy lamp.
PERBAIKAN STABILITAS DINAMIK TENAGA LISTRIK DENGAN POWER SYSTEM STABILIZER (PSS) Gusa, Rika Favoria
FORISTEK : Forum Teknik Elektro dan Teknologi Informasi Vol 1, No 2 (2011)
Publisher : FORISTEK : Forum Teknik Elektro dan Teknologi Informasi

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Abstract

Stability of electrical system is one of system’s characters that make some machines can operate together in one frequency even there are some interrupts in normal condition or make them back into previous condition either in new or old equilibrium. Some variables that have to be observed are angel of rotor δ,  speed of rotor ω, and voltage source of generator vt . In this paper, simulation was done in IEEE 14 bus system at steady state condition, dynamic condition and adding of PSS as a stability tool. The result was PSS could make the system became stable even in new point of equilibrium. Keywords : stability of electrical power system, PSS, angel of rotor.
SISTEM INFORMASI PENJUALAN TIKET PO. METRO EXPRESS -, Alamsyah
FORISTEK : Forum Teknik Elektro dan Teknologi Informasi Vol 1, No 2 (2011)
Publisher : FORISTEK : Forum Teknik Elektro dan Teknologi Informasi

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Abstract

Service provider anggkutan common ground (PO), expeditionary passenger land transport executive, in data processing is still done manually. Therefore, when entering and finding data still requires quite a long time. Therefore we need an application system that can simplify and speed up the search or passenger data collection. Ticket Sales Information System Bureau of Land Transport (PO) is a desktop-based applications. This application is created using Visual Basic programming for database processing. Ticket Sales Information System is composed of 3 (three) main menu, the menu is the menu Master, transactions and reports. Menu Master has a submenu that is menu data driver, route fare menu and a menu list of cars. Tansaksi menu consists of 2 (two) sub-menus namely passenger ticket booking and ticket delivery ordering menu. On the menu reports 4 (four) sub-menu that is based on the date of filling the manifest, passenger manifest persopir, perpriode manifestn certain passenger and the passenger manifest month. Report menu is designed to be able to store data to be viewed at any - time and can print the tickets of passengers and passenger manifest. Keywords: Information Systems, Data Base.
SISTEM KENDALI SERVO POSISI DAN KECEPATAN MOTOR DENGAN PROGRAMMABLE LOGIC CONTROL (PLC) -, Andani; Y, Christoforus; Zakariah, Iqbal; Husnah, Asifa Nurul
FORISTEK : Forum Teknik Elektro dan Teknologi Informasi Vol 1, No 2 (2011)
Publisher : FORISTEK : Forum Teknik Elektro dan Teknologi Informasi

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Abstract

The simulation of controlled position dan speed servo motor using Programmable Logic Control (PLC), done by comparate input and output voltage from practical and theory. Controlling position of servo motor has error 2.24% till 22.22% while controlling speed between 0.67% till 2.92%. Keywords : Programmable Logic Control (PLC), Servo motor, speed , position
APLIKASI ALGORITMA PRIM UNTUK MENENTUKAN MINIMUM SPANNING TREE SUATU GRAF BERBOBOT DENGAN MENGGUNAKAN PEMROGRAMAN BERORIENTASI OBJEK Nugraha, Deny Wiria
FORISTEK : Forum Teknik Elektro dan Teknologi Informasi Vol 1, No 2 (2011)
Publisher : FORISTEK : Forum Teknik Elektro dan Teknologi Informasi

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (314.863 KB)

Abstract

In this study, the algorithm used is Prim’s algorithm—an algorithm in graph theory to seek a minimum spanning tree for a weighted connected graph. The program used is a program created with Delphi 7 programming language used for searching the minimum spanning tree of a graph model with the weight of each form of distance/length connecting the points/vertices. Then display the information search process sequence of minimum spanning tree, the total number of minimum length and the resulting computing time to determine the efficiency of Prim’s algorithm. Based on the results of research, Prim's algorithm computation time in finding the minimum spanning tree of a weighted graph will grow up along with increasing the number of points/vertices and the number of sides of the weighted graph.   Keywords:Prim’s Algorithm, Graph model, Minimum Spanning Tree

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