Master Theses
Master Theses
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Now showing items 101-120 of 167
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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 ... -
Mengurangi Harmonisa pada Penyearah Satu Fasa dengan Filter Induktor
(Universitas Sumatera Utara, 2011)Electronics which is highly developed nowdays has produced numerous appliances for household, offices, and industry. Basically, these appliances need a direct current power supply although now only one alternating ... -
Verifikasi Citra Sidik Jari Berdasarkan Minutiae Dengan Metode Gabor Filter
(Universitas Sumatera Utara, 2013)Digital image processingis constiutes a discipline which studies matters in order to improve of the quality pictures, the picture transformation and the choice of optimal personal image for the analysis, the process the ... -
Peningkatan Perolehan Metadata Melalui Sistem Terdistribusi
(Universitas Sumatera Utara, 2011)The rapid increase of the number of digital documents has caused the Internet users to be always up to date with the new documents. The providers of digital documents nowadays, who store information in the documents ... -
Dissolved Gas Analysis (Dga) untuk Diagnosis Gangguan pada Transformator Daya Pltgu Pt Pln (Persero) Unit Pelaksana Pembangkitan Belawan
(Universitas Sumatera Utara, 2021)In an electric power system, a power transformer is one of the most critical equipment and cannot be separated from possible abnormal conditions due to fault. This abnormality may occur due to faults such as overheating, ... -
Studi Pemodelan Kendali Konverter Elektronika Daya untuk DG dengan Filter LCL
(Universitas Sumatera Utara, 2020)The use of renewable energy in distributed generation (DG) is a solution in the evolution of electricity technology in reducing the use of energy that produces carbon emissions. DC-AC converter is a part of DG that has ...
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