Master Theses
Master Theses
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Now showing items 41-60 of 170
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Studi Pengurangan Harmonisa Arus pada Power Amplifier dengan Menggunakan Filter Passtve Single Tuned
(Universitas Sumatera Utara, 2015)Nowadays, non-linear load is increasingly used in industry or in households. The use of non-Iinear load such as Power Amplifier can cause harmonics disorder in the system. The phenomena of harmonics can cause sinusoidal ... -
Pengaruh Pemasangan Kapasitor terhadap Coefficient Of Performance (COP) Split Air Conditioner dan Reduksi Harmonisa
(Universitas Sumatera Utara, 2014)Non linear load causes harmonics. Air conditioning of inverter type is one of non linear loads which yield harmonics. Harmonics in Air Conditioning must be reduced so that it does not disturb the quality qf power in ... -
Analisis Reduksi Harmonisa pada Variable Speed Drive Menggunakan Filter Pasif LC dengan Beban Motor Induksi Tiga Fasa
(Universitas Sumatera Utara, 2014)A three-phase induction motor is the main drive for machines in the industrial world. ]his is due to an induction's motor have some advantages, but it still has to be considered in using this application since its speed ... -
Sistem Pendeteksian Wajah pada Video Menggunakan Jaringan Adaptive Linear Neuron (Adaline)
(Universitas Sumatera Utara, 2013)Facial detection is an important initial stage which is needed by various types of application of computer vision, biometric system, ond various types of multtmedia application such as facial tracking, facial recognition, ... -
Studi Proses Steganografi pada Citra Digital Menggunakan Integer Wavelet Transform (IWT) serta Penerapan Metode Bit-Plane Complexity Segmentation (BPCS)
(Universitas Sumatera Utara, 2013)Three main problems related to image steganography still remain: the imperceptibility of the stego image, the mmimum capacity of the hidden dqta, and the robustsness of the stego image against o number of image processing ... -
Peningkatan Kinerja Sistem Pengadaan secara Elektronik (Studi Kasus di Universitas Sumatera Utara)
(Universitas Sumatera Utara, 2011)Electronic Procurement System (SPSE) ,s sofhnare provided by the government to motgrialize its expectation in implementing goo* and service procurement ffictively and fficiently bssed on the principle of e-procurement. ... -
Klasifikasi Gender Melalui Suara Menggunakan Jaringan Propagasi Balik
(Universitas Sumatera Utara, 2016)Voice recognition is a tery complicaled thing for a computel , and so we need an application that can distinguish the voices of male and female. In this srudy the authors use a baclc propagation neural networb to classify ... -
Kombinasi Algoritma Arnold Catmap (ACM)dan Rivest Shamir Adleman (RSA) dalam Pengamanan Citra
(Universitas Sumatera Utara, 2015)At present the security and confidentiality of the data or information is a very important thing, and the increasingly widespread use of image data in a vadety of fields. Therefore, the security of image data from ... -
Pengembangan Sistem Penjadualan Kuliah Menggunakan Metode Backtracking dalam Constraint Satisfaction Problem
(Universitas Sumatera Utara, 2014)Arranging class schedule has its own problems in a college such as classroom limitation, instructors' time to teaching, the change in curriculum, and the use of laboratory. They are still topical in the research for ... -
Peningkatan Daya Output Solar Cell Menggunakan Cermin, Pendingin Heat Sink dan Sistem Kontrol Double Axis Solar Tracking
(UNIVERSITAS SUMATERA UTARA, 2022)Solar panels using optical aids such as mirrors and lenses as a tool to focusing sunlight on solar panels and have more advantages over solar panels without using optical aids because the number of solar cells required ... -
Pemodelan dan Perancangan Sistem Interkoneksi Distributed Generation ( DG ) dalam Perbaikan Drop Tegangan pada Jaringan Distribusi 20 kV PT PLN (Persero) ULP Tanah Jawa
(Universitas Sumatera Utara, 2022)Distributed generation (DG) is a power plant whose location does not care about the distribution of electricity suppliers. The application of DG has increased in the development of new and renewable energy. Using ... -
Optimasi Desain Sistem Pentanahan Gardu Induk dengan Model Tanah Berlapis Banyak (Studi Kasus: Gardu Induk 275 kV Nagan Raya)
(Universitas Sumatera Utara, 2022)The grounding system has an important role in the operation of the substation and must be designed safely and reliably taking into account the grid conductor spacing or grid mesh size and soil type characteristics. To ... -
Studi Analisis Aplikasi Rectenna Mikrostrip Array Dualband (900 MHz dan 2100 MHz) sebagai Energy Harvesting
(Universitas Sumatera Utara, 2022)The development of electronic devices is currently growing rapidly, many electronic devices can be operated with relatively low currents, such as wireless sensors, cameras, LED lights etc. so new and renewable energy sources ... -
Perancangan dan Analisis Antena Mikrostrip Spiral Persegi Untuk Aplikasi Ground Penetrating Radar
(Universitas Sumatera Utara, 2022)Ground Penetrating Radar (GPR) is a device that works by sending and receiving reflected electromagnetic signals into the ground. The GPR system is designed to detect the presence of objects buried in the ground at a certain ... -
Pengaruh Magnetostriksi terhadap Vibrasi, Bising dan Harmonisa pada Transformator Daya
(Universitas Sumatera Utara, 2022)A transformer is an electrical device that can transfer and convert electrical energy from one or more circuits to another through magnetic coupling and based on the principle of electromagnetic induction. The performance ... -
Sistem Terdistribusi Pencarian Kerja dan Tenaga Kerja dalam Sektor Informal Memanfatkan Teknologi Ponsel
(Universitas Sumatera Utara, 2011)The topic of this research was the program of distributive database system for those who look for employment and for the work force in informal sectors with cellular phone base. Different from the system which uses centered ... -
Sistem Terdistribusi Pencarian Kerja dan Tenaga Kerja dalam Sektor Informal Memanfatkan Teknologi Ponsel
(Universitas Sumatera Utara, 2011)The topic of this research was the program of distributive database system for those who look for employment and for the work force in informal sectors with cellular phone base. Different from the system which uses centered ... -
Perbandingan Penggunaan Filter Single Tuned dan Filter Second Order Ntuk Mereduksi Harmonisa pada Motor Induksi Satu Fasa yang Dijalankan dengan Programmable Logic Control
(Universitas Sumatera Utara, 2014)Programmable Logic Control (PLC) is a microcontroller made to meet the need of the industrial world. The use of Programmable Logic Control (PLC) as a control device in running one-phase induction motor to do a processing ... -
Pengaruh Magnetostriksi terhadap Vibrasi, Bising dan Harmonisa pada Transformator Daya
(Universitas Sumatera Utara, 2022)A transformer is an electrical device that can transfer and convert electrical energy from one or more circuits to another through magnetic coupling and based on the principle of electromagnetic induction. The performance ... -
Analisis Perbandingan Metode Fuzzy Logic dengan Metode Forward Chaining dalam Diagnosis Gangguan pada Transformator 150 KV menggunakan Dissolved Gas Analysis (Dga)
(Universitas Sumatera Utara, 2022)The gas contained in transformer oil is difficult to identify directly because the formation of gas takes a long time with temperatures above 140 ºC. The gases produced due to the increase in temperature in the transformer ...
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