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INDONESIA
Jurnal Teknik Elektro
Published by Universitas Trisakti
ISSN : -     EISSN : -     DOI : -
Core Subject : Engineering,
Electrical & Electronics Engineering
Arjuna Subject : -
Articles 4 Documents
 1 
Search results for , issue " Vol 8, No 2 (2009)" : 4 Documents clear
SISTEM PARKIR OTOMATIS MENGGUNAKAN RFID BERBASISKAN MIKROKONTROLER AT 89S51 Winarsih, Irda; Mahendra, Reza
Jurnal Teknik Elektro Vol 8, No 2 (2009)
Publisher : Jurnal Teknik Elektro

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Abstract

The Automatic Parking System is a system which automatize park of the car where we do notneed wasting our time in searching for a vacant place parking the car. Only with the RFIDtag touch hence our car will be parked automatically in place which we have determinedpreviously. This appliance use a microcontroler AT89S51 as controller brain, RFID card asidentification of the car owner, and some base lifts which made and designed in a such waycould move freely and basically driven by electric motors. In this system, microcontroller isused to arrange and control the movement and the position of car contained base lifts to beparked. After being identified the car ID by microcontroller and the driver has left the car,the system then started working until the parking process completed and the microcontrollerwill command the motor to return and move the empty base back the place ,standing by fornew process. The car retrieval process car happened on the contrary. The pallet liftmovement is motorized by four 12 VDC power motors gearbox.Keywords: Parking, Microcontroller, RFID, Motor gearbox.
ANALISIS GANGGUAN PETIR AKIBAT SAMBARAN LANGSUNG PADA SALURAN TRANSMISI TEGANGAN EKSTRA TINGGI 500 kV Abduh, Syamsir; Septian, Angga
Jurnal Teknik Elektro Vol 8, No 2 (2009)
Publisher : Jurnal Teknik Elektro

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Abstract

This paper summarizes the main results of a study aimed to figure the specific distortion and several factors that decreased the distortion. Lightning performance were combined between the distortion cause by shielding failure and back flashover, it using electro-geometrical and traveling wave theory. The result shows that increasing effectivity of ground wire shielding where the lightning is hitting phase wire which is definite by shielding angle, and preventing back flashover with minimum tower foot resistance and increasing coupling factor between ground wire and phase wire. Keywords: Lighning, ground wire, shielding
IMPLEMENTASI DWDM PADA ERION TM Yuniarti, Harumi; Su’udi, Bambang Cholis
Jurnal Teknik Elektro Vol 8, No 2 (2009)
Publisher : Jurnal Teknik Elektro

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Abstract

WDM technology has some advantages such as to enhance the network capacity, flexibility,and also has good prospect in the future (at international scale network of the undersea fiberoptics). Based on the advantages in serving the future telecommunication, new techniquecalled DWDM (Dense Wavelength Division Multiplexing) has been applied in instrumentdesigned to serve dense traffic communication. With its product called Ericsson OpticalNetworking (ERIONTM), Ericsson has launched Errion Linier and Erion Flexing Bus. Thisinstrument could transmit 32 channels at same time at operated 0,8 nm channel grid at thirdwindow. Furthermore, it has equipped with traffic protection to solve some failures andmanagement control at operators overview to keep the best performance simultaneously.Keywords: WDM, DWDM, Optical Amplifier, EDFA, Channel Capacity, Digital CrossConnect (DXC).
ANALYSIS OF POWER LOSSES CALCULATION IN MEDIUM VOLTAGE NETWORK OF FEEDER SERIMPI, PAM 1 AND PAM 2 AT NETWORK AREA GAMBIR PT.PLN (PERSERO) DISTRIBUSION JAKARTA RAYA AND TANGERANG Liem Ek Bien, Liem Ek Bien; Kasim, Ishak; Pratiwi, Erni Aprianti
Jurnal Teknik Elektro Vol 8, No 2 (2009)
Publisher : Jurnal Teknik Elektro

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Abstract

Power losses at medium voltage network distribution systems cannot be avoided. Although its value is difficult to know exactly but it can be calculate. The value is influenced by load and line resistance, it is one of the aspects of efficiency on power electric distribution. This paper uses two calculation methods. The first method is basic formula which PLN usually use based on field data acquisitioned. The second method is calculation based on research estimation power losses per year; this method is providing (IEEE, 2006: 1092). Keywords: Medium Voltage Network, Distribution Feeder, Llosses.

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