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ANALISIS PENGUJIAN ARUS BOCOR LINE POST INSULATOR 70 kV YANG TERKONTAMINASI POLUTAN INDUSTRI
Full text linkFailure of Insulators of ‘Line Post Insulator 70 kV type’ usually caused by many factors, such as the leakage current oncontaminated insulator surfaces. This leakage current will cause interference with the electrical energy distribution system. Thisstudy reported the results of testing the leakage current on insulator 70 kV Line Post Insulator type performed on high-voltagelaboratory Ujung Pandang State Polytecchnics. Based on testing, the maximum leakage current value obtained in wet conditions polluted with spraying of pollutants ESDD = 3.2 mg/cm2 and NSDD = 0.08 mg/cm2 with a value of leakage currentof 7.4 mA at an applied voltage of 22 kV, this can result in flashover
PERENCANAAN KONFIGURASI KOMUNIKASI DARAT TERPADU
Full text linkSwitching process with the utilization of system LTR (Logic Trunked Radio) begins with the handshake between the mobile datawith 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 terrestrialcommunication 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
EVALUASI PENGGUNAAN LISTRIK PADA BANGUNAN GEDUNG DI LINGKUNGAN UNIVERSITAS TADULAKO
Full text linkThis study aims to determine the level of energy use and savings opportunities that can be obtained from a room based on IKE value. The intensity of energy consumption (IKE) is a term that used to determine levels of energy consumption in a building. IKE value is calculated based on the number of electric power used by all existing electrical equipment in a room and then divided by the area of the room. To find out how much energy usage level of a room or a building IKE value calculations and compared with the standard IKE value. IKE value will determine the criteria of a room using electricity in this category can be wasteful or not in use electrical energy. When the results were equal to or less than the target IKE, the energy audit activities can be stopped or continued with the hope that IKE values obtained Lower again. The results showed that of the 708 rooms have been evaluated including 136 belonging to wasteful use of electricity, with the savings opportunities that can be done as much as Rp 17.686.222 per mont
PERANCANGAN SISTEM INFORMASI GEOGRAFIS MENGGUNAKAN PETA DIGITAL
Full text linkIn electrical engineering technology, especially information technology today can be applied to all areas of life. In this rapid technological developments, information technology can be utilized as a means of information for the primary electrical distribution channels in the form of a geographic information system making it easier for users of the system to determine thecondition of the electrical distribution channel.
This study uses a program that comes with ArcView Avenue script programming to implement a geographic information system primary electrical distribution channels in the city of Palu using digital maps. Geographic information system designedand fabricated in this study proved capable of displaying all the information on the primary electrical distributionchannels in which the data taken from the PT. PLN (Persero) rayon branch of Palu city
PERBAIKAN STABILITAS DINAMIK TENAGA LISTRIK DENGAN POWER SYSTEM STABILIZER (PSS)
Full text linkStability 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.
PENGHEMATAN ENERGI MELALUI PENGGANTIAN LAMPU PENERANGAN DI LINGKUNGAN UNTAD
Full text linkThis 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 datais 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 ofsavings done by looking at the difference in cost between the energy-saving lamps with other lamps for 12,000 hours oflighting the flame. Results showed that by replacing all fluorescent lamps (TL lamps), incandescent bulbs with energy-efficientlighting 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
OPTIMASI SISTEM PENCAHAYAAN DENGAN MEMANFAATKAN CAHAYA ALAMI (STUDI KASUS LAB. ELEKTRONIKA DAN MIKROPROSESSOR UNTAD)
Full text linkA good lighting system has to meet three criteria; quality and quantity of light and efficient powerconsumption. A good lighting room will help effective activities inside the laboratorium. To achieve an optimum lighting, natural light has to be considered in the installation design. To optimise lighting installation of the building Elecronics and Microprosessor Laboratorium, clusteringluminer with the switch has to proportionately adjust according tothe sun light incidence to the laboratorium
SISTEM INFORMASI PENJUALAN TIKET PO. METRO EXPRESS
Full text link-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 LandTransport (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
APLIKASI ALGORITMA PRIM UNTUK MENENTUKAN MINIMUM SPANNING TREE SUATU GRAF BERBOBOT DENGAN MENGGUNAKAN PEMROGRAMAN BERORIENTASI OBJEK
Full text linkIn 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 thenumber of points/vertices and the number of sides of the weighted graph