Master Theses
Master Theses
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Now showing items 101-120 of 172
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Sistem Keamanan Informasi E-Commerce dengan Pertukaran Algoritma pada PT. Pupuk Iskandar Muda Lhoksumawe
(Universitas Sumatera Utara, 2014)This research analyses and compares cryptography performances between the well known cryptographic algorithms and undiscovered one applied for encryption and decryption website data processs in order to ascertain the ... -
Rekonstruksi Citra Radar Super Resolution Model Markov Network dengan Training Set Menggunakan PCA (Studi Kasus pada Radar Cuaca di BBMKG Wilayah I Medan)
(Universitas Sumatera Utara, 2015)The increasing development of communication system and the relatively increasing development of tower construction are not usually followed by the data of potential lightning locations which actually need to save all ... -
Analisis Kebutuhan Filter Pasif untuk Mengurangi Gangguan Harmonisa dan Perbaikan Faktor Daya Menggunakan Second Order Damped (Studi Kasus pada Transformator 400 KVA Politeknik Negeri Medan)
(Universitas Sumatera Utara, 2011)Harmonics is a phenomenon which arises as the effect of operating non linear electrical load it becomes the source of the formation of high frequency waves, multiplied from its fundamental frequency. This high frequency ... -
Analisa Single Tune Filter pada Power Supply DC (Studi Kasus Multiplier DC 20 kV)
(Universitas Sumatera Utara, 2015)This thesis describes design and implementation of high-voltage DC power supply at a voltage of 20 kV DC ouput by using Matlab / Simulink. To objective is to simulation, design, development and application of simulation ... -
Analisis Penempatan Optimal Bank Kapasitor pada Sistem Distribusi Radial dengan Metode Genetik Algorithm \Aplikasi : PT. PLN (Persero) Cabang Medan
(2011)With time development, the need for electricity is increasingly high. The amount of reactive power (Q) will result in a non-optimal power distribution, because a big apparent power (S) will be needed to serve the ... -
Simulasi Filter Aktif Seri sebagai Kompensasi Harmonisa pada Sistem Saluran Tegangan Rendah
(Universitas Sumatera Utara, 2011)The purpose of this study was to design a model of serial active filter using voltage detection for harmonic compensation on a distribution transformator with the capacity of 160 kVA. In this design, low voltage power ... -
Penentuan Faktor Pengali Sistem Pengukuran Analog Untuk Beban Non Linear
(Universitas Sumatera Utara, 2013)In modern installations, the current flowing is actually much higher than the current measured by an ordinary measuring instrument (RMS meter). This is due to the fact that the current flowing at today’s installation has ... -
Pemodelan Matematis Harmonisa Tegangan dan Arus yang ditimbulkan oleh Personal Computer dengan Menggunakan Interpolasi Polinomial Metode Newton
(Universitas Sumatera Utara, 2014)Newton polynomial interpolation method is a method of measurement used in the harmonisa of voltage and current to predict the amount of THD of the voltage and current produced by PC. In this study, the measurement of current ... -
Simulasi Pemulihan Kedip Tegangan akibat Gangguan Hubung Singkat Satu Fasa ke Tanah pada Sistem Distribusi Tiga Fasa Menggunakan Dvr Berbasis Pengendali Logika Fuzzy
(Universitas Sumatera Utara, 2015)Voltage sag on distribution lines is generally caused by the interruption of short circuit on the power lines that can degrade the quality of power system. Electrical power quality issues is a very important problem faced ... -
Perancangan dan Karakterisasi Antena Mikrostrip Polarisasi Melingkar Menggunakan Teknik Complementary Split Ring Resonator (CSRR)
(Universitas Sumatera Utara, 2021)The microstrip antenna is designed and characterized to obtain circular polarization which is applied to the Global Positioning System (GPS) system. GPS is a system for determining global positioning and navigation ... -
Perancangan Filter Pasif Orde Tiga untuk Mengurangi Harmonisa Akibat Beban Non Linear (Studi Kasus pada Transformator 400 Kva di Politeknik Negeri Medan)
(Universitas Sumatera Utara, 2012)ABSTRACT Harminsa is an outage of the distribution system which is caused by the use of non-linear load. The non-linear load is electric equipment which generally consists of the components of electric power. The ... -
Mereduksi Harmonisa pada Peralatan X-Ray Mobile 100mA dengan Menggunakan Filter Pasif (Single Tuned and Double Tuned Passive Filter)
(Universitas Sumatera Utara, 2015)Non-linear electric load can cause distortion in the form of wave, either current or tension which are one of the parameters in determining the quality of electric power system. X-ray has the characteristics of non-linear ... -
Deteksi dan Pencarian Fitur–Fitur Wajah Manusia Dengan Menggunakan Metode Prinncipal Component Analysis (PCA)
(Universitas Sumatera Utara, 2013)The exist motion capture which use active marker requires specific tool and clothes that were woren by the actors which result unease movements when the actors conduct complex moves. it is probably causd by some loss of ... -
Peningkatan Kualitas Citra Sidik Jari Menggunakan FFT (Fast Fourier Transform)
(Universitas Sumatera Utara, 2013)Biometric technology has several advantages, such as it cannot be easily lost, cannot be falsified, and cannot be easily broken. The system of identifying fingerprint is aimed to identify someone’s fingerprint so that his ... -
Peningkatan Kinerja Jaringan Wlan dengan Load Balancing Menggunakan Teknologi Agent
(Universitas Sumatera Utara, 2012)ABSTRACT The purpose of this study is to develop mechanism of load balancing for the Wireless Local Area Network (WLAN). so that it can improve the performance of the network. Load balancing has been selected for it is a ... -
Reduksi Harmonisa pada Uninterruptible Power Supply (UPS) dengan Single Tuned Passive Filter
(Universitas Sumatera Utara, 2016)Using non-linier load in Uninterruptible Power Supply (UPS) can cause harmonic distortion which will eventually have the effect on power quality. The research was designed as a single-turned passive filter to cope will ... -
Pemodelan Transmisi Video pada Jaringan Wireless Local Area Network
(Universitas Sumatera Utara, 2015)The research discusses about the process of sending video package in real time on WLAN (Wireless Local Area Network). To process the sending of video package, the transport layer of the UDP (User Datagram Protocol) is ... -
Ekstraksi Fitur Haralick Menggunakan Citra Mikroskop Digital Trinocular untuk Proses Identifikasi Cacing Penyakit Kaki Gajah
(Universitas Sumatera Utara, 2015)Image processing is an approach widely used to identify an object on a digital image. One of the implementations is to identify an object on the image of digital microscope observation result. An object identification ... -
Pemanfaatan Teknologi Web Services pada Pengolahan Citra Medis
(Universitas Sumatera Utara, 2012)ABSTRACT The topic discussed in this study is a network-based system design for the utilization of medical image processing application. The system is different from the application of standalone system designed to be ... -
Reduksi Harmonisa pada Workshop Ptki Medan Menggunakan Filter Passive Single Tuned Untuk Perbaikan Faktor Daya
(Universitas Sumatera Utara, 2015)Harmonics of non linier load has been proven to have an impact on damage some euipment, such as transformers, motors, and protective relays, which cause the increase in power losses and excessive heating. The current ...
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