Download more than 100 examples of thesis, proposal and project topics about dc power converter in editable WORD file format at undergraduate, graduate and doctoral levels for use and reference in research, articles, theses, student and academic projects.
Master's Thesis Farsi Abstract: Today, with the expansion of DC consumers and non-linear loads connected to the network, the design and construction of power factor correction circuits using electronic power converters has gained special importance. With the advancement of technology, integrated circuits have come to help in this field. Due to the complexity and non-linear ...
Thesis for master's degree in the field of electrical engineering (power) Farsi abstract: Today, with the expansion of DC consumers and non-linear loads connected to the network, the design and construction of power factor correction circuits using electronic power converters has gained special importance. With the advancement of technology, integrated circuits have come to help ...
Dissertation for the M.Sc. In the field of electrical engineering, power electronics, abstract: The material that is analyzed in this thesis in order to simulate and implement the buck converter nonlinear controller is presented in four chapters. In general, the buck converter and the relationships governing it and the studies conducted on the buck converter and a control method ...
Dissertation for Master's degree (M.Sc) in the field of electrical-power engineering. Abstract In this thesis, the design of a resistant controller in power electronic circuit breakers and its comparison with linear control methods have been examined. The main goal of research and development in this field is always to find the most suitable control method in order to implement ...
Master's thesis in the field of power electronics, power electronics, Abstract: The use of pulsed power sources in various plasma processes is increasing due to the relationship established between them. According to the research done in this case, the design of pulsed power sources with the aim of reducing losses and increasing efficiency can have important effects on plasma ...
Dissertation for Master's Degree in Power Electrical Engineering Abstract In this thesis, a hybrid power generation system using fuel cell/battery/supercapacitor to power a light electric vehicle with independent excitation electric motor drive system was studied and simulated. The electric vehicle system consists of a feed and control system, multiple sources, power control ...
Master's Thesis, Electrical Engineering, Power, Abstract: The sliding mode control method is one of the most important non-linear control methods, whose distinctive characteristics are insensitivity to parameter changes, complete rejection of disturbance, and dealing with uncertainty. This controller first brings the system from the initial state using the law of reaching the ...
Master's Thesis of Power Electricity Abstract: Photovoltaic energy is one of the clean and efficient energies that is expanding rapidly. With the increase in the penetration percentage of these power plants in the power grid, problems arise that may lead to errors and problems in the distribution system. One of the problems that may occur is the issue of voltage increase at the ...
Electrical Engineering Master's Thesis - Power Abstract Wind is a suitable and powerful source of energy. Power generation in a variable speed wind turbine is an interesting topic. Because in wind energy converter systems, maximum utilization can be achieved at any speed. But this system needs its parameters to calculate the optimal speed of the turbine. In this thesis, a ...
Abstract The main task of the synchronous generator excitation system is to provide the necessary voltage for the generator excitation winding. The excitation voltage is a dc voltage and it is used to create a flux in the excitation winding of the generator and consequently to produce a magnetic field to produce electrical energy by a synchronous generator. In the provided ...
Dissertation to receive a master's degree ""M.Sc"" in the field of electrical engineering, power, high voltage, abstract. Inverters can produce single-phase and three-phase ac voltages from a constant or variable dc voltage. There are various methods to control the output voltage of the inverter, which is introduced in this thesis from an inverter system with solar panel input. ...
Dissertation to receive a master's degree ""M.Sc"" in the field of electrical engineering, power systems trend Abstract Today, significant advances in semiconductor technology and the emergence of high-power switches that have the ability to be turned off by a control signal on the one hand and the better efficiency of multi-level converters compared to two-level converters on ...
Dissertation for receiving a master's degree in the field of electricity - the tendency of electric machines. Abstract In this thesis, the behavior of the wind power plant is investigated using the detailed model of induction generator with two-way feeding. Electronic converters of the power plant and its control systems and the behavior of the power plant include electrical and ...
Dissertation for receiving a master's degree in the field of electrical power, power systems trend. Abstract: Reactive power compensation has always been one of the important research topics in most universities and research centers. Meanwhile, the new generation of compensators (FACTS) has been the focus of the power industry and research centers in order to control reactive ...
Master's thesis in the field of electrical power Abstract: Pulsed power is the accumulation of energy after a relatively long period of time and the release of energy very quickly. This process is to increase the instantaneous power of the system. The characteristic of this pulse includes the voltage level and rise time based on the load requirements. Improvement of efficiency ...
To obtain a master's degree in mechanical engineering - manufacturing and production Abstract Fuel cells are electrochemical devices that are used to directly convert fuel into electrical energy. One of the most important types of fuel cells is the polymer fuel cell, which is widely used. In general, two types of optimization can be done in the polymer fuel cell: optimization in ...
Master's Thesis in Electrical Engineering - Power Abstract Nowadays, pulse width modulation techniques are widely used to control the output voltage and current of AC/DC converters. Among these methods, space vector modulation (SVM) has received a lot of attention due to its simplicity and favorable properties in controlling three-phase inverters digitally. The limitation of ...
Dissertation for receiving the master's degree ""M.Sc"" in the field of power electrical engineering Abstract Inverters can produce single-phase and three-phase ac voltages from a constant or variable dc voltage. There are various methods to control the output voltage of the inverter, which is introduced in this thesis from an inverter system with solar panel input. In this ...
Dissertation of the master's degree in the field: Electrical Engineering - Power trend. Abstract Today, despite the wide use of sensitive loads such as power electronics, computers and non-linear loads in distribution networks, the issue of power quality has received more attention. Most of these loads are sensitive to voltage changes, such as undervoltage and overvoltage, and ...
Dissertation for Master's degree (M.A.) Major: Curriculum Planning Abstract of Dissertation (including summary, objectives, methods of implementation and results obtained): The main purpose of the research is to investigate the relationship of satisfaction with in-service training in a virtual way on the productivity of the broadcasting organization. The statistical population ...
Academic certificate for obtaining a master's degree, field: public administration, specialization: human resources. Abstract: The purpose of this research is to investigate the role of knowledge absorption in innovation, flexibility, and agility of the units of Gilan Central Broadcasting Organization. Considering the importance of acquiring information in today's competitive ...
Dissertation for Master's Degree in Electrical Engineering, Power Systems, Abstract: During the last two decades, the electricity industry has undergone fundamental changes in the way it is produced, transmitted and distributed, which is referred to as restructuring. With the restructuring in the electricity industry, reactive power has been introduced as one of the most ...
Master's thesis in the field of electrical engineering-communication system for removing interference in the passive radar reference channel based on digital TV broadcast signal by terrestrial transmitters with a reproduction approach. In this thesis, a digital receiver for signal processing in a passive radar reference receiver based on orthogonal frequency division modulation ...
Dissertation for master's degree in electrical engineering, power orientation Abstract: The use of renewable energy to produce electrical energy has increased increasingly with the expansion of the use of flexible alternating current transmission systems (FACTS), to compensate for the quality of power and voltage, the range of use of these energies has increased.
Dissertation for M.Sc)) Electrical Orientation - Power Abstract Common-mode voltages and currents are generated due to parasitic capacitance between solar cells and their frame, which is usually grounded. These capacities are usually modeled as capacitors between the negative terminal of the solar cell and ground. In solar cells that are connected to the grid through a ...
Master's Thesis in Electrical Engineering, Power Orientation Abstract In this thesis, while investigating the phenomenon of saturation in protective CTs, the problems related to the detection of this phenomenon and the compensation of CT secondary current have been discussed, and in order to solve the problems raised, methods have been introduced and the results have been ...
Master's Thesis in Electrical Engineering, Power 1-1 Introduction Energy supply sources in the last few decades have been from fossil sources, which until recently have been obtained almost cheaply. Cheap energy sources caused that the optimal use of energy and energy recycling were practically not paid much attention. Due to the energy shortage crisis and the sense of danger ...
Master's Thesis in the field of Electrical Engineering-Communications System Abstract of interference removal in passive radar reference channel based on digital TV broadcast signal by terrestrial transmitters with a reproduction approach. In this thesis, a digital receiver for signal processing in a passive radar reference receiver based on orthogonal frequency division ...
Dissertation for MS.C Master's Degree Major: Electronics Abstract: In this thesis, the aim is to design and simulate an amplifier based on CMOS technology with low power consumption for use in image sensors. For this purpose, an amplifier that uses the ABCC circuit (intelligent bias current circuit) has been introduced.
Master's Thesis in Electrical Engineering, Power Orientation Abstract In this thesis, while investigating the phenomenon of saturation in protection CTs, the problems related to the detection of this phenomenon and the compensation of CT secondary current have been discussed, and in order to solve the problems raised, methods have been introduced and the results have been ...
Dissertation of Master's Degree in Industrial Engineering - Systems Management and Productivity Orientation Fall 2019 Abstract: The growing and rapid movement of today's societies to acquire and exploit information, causes an ever-increasing expansion
Abstract of the concept of people's trust in the media and the news that is published is considered to be the most important factor in the favorable and effective functioning of the media. This research examines the factors affecting the trust of the audience in the southeastern cities of Tehran province to the news of May 30/18 channel. In this research, we have used the survey ...
The abstract of the current research was conducted with the aim of knowing the role of the internal factors of the newsroom on the quantity and quality of television news. In this research, which was conducted through a survey method by distributing a questionnaire among a statistical sample of the employees of the Central News Unit of the Islamic Republic of Iran; The ...
Dissertation for the Master's degree (M-A) in the field: Political Geography Abstract Soft war is a new concept in terms of scientific research and a very old concept in terms of history. This concept is known in the world as soft power. Soft war in its modern concept with features such as software orientation, mentalization, emptying from within, changing cultural identity, ...
Dissertation for Master's Degree (M.A.) Major: Research in Communications Abstract of the Dissertation (including summary, objectives, implementation methods and obtained results): The aim of the research is to find out the level of trust of TV news viewers in the 21:00 news section of Channel 1 according to individual conditions (age, education and marital years, etc.)
Dissertation for Master's Degree in Accounting Abstract: The purpose of this research is to evaluate the relationship between social responsibility and the quality of financial reporting in companies admitted to the Tehran Stock Exchange. In this research, in order to estimate the quality of financial reporting by using the average of three different factors including: annual ...
Master's Thesis of Social Communication Sciences Abstract: This research was conducted with the aim of investigating the rate of attitude towards women in television series and it investigated the amount of presence of women in television series, the gender discourse presented at the individual, structural and symbolic level and the rate of verbal and non-verbal gender relations ...
Master's Thesis in Social Communication Sciences (M.A) Introduction: Now that the information and communication revolution has spread geographical boundaries and created tremendous changes in the field of globalization, a large volume of information and new knowledge is easily available to everyone through information networks, and it seems that a ""global village"" is being ...
Dissertation for Master's Degree in Sociology The emergence of new technologies in every society is accompanied by doubts, confusions, and calmness, and the same applies to the emergence of satellite televisions. It is a question that requires the attention of many thinkers. And the government of the world has been attracted by the fact that the contents of the satellite ...
The abstract of the present research aims to investigate and discover the discourse or discourses formed around the August 28 coup on BBC Persian TV in the reports of the ""60th anniversary special of the August 28 coup"". For this purpose, theories such as media representation, framing, conceptualization, discourse theory and media diplomacy have been used. The method used in ...
Dissertation, to receive the master's degree ""M.A"" in the field of TV production. Research abstract: Publishing the teachings of Islam is one of the most essential factors for the survival and continuity of this religion. It is monotheistic. Propagation and information of these concepts and religious foundations is the most important way to publish and promote them. With the ...
Dissertation for the Master's Degree in Business Administration, International Business, Abstract: The information revolution and network hyperspace have transformed the marketing landscape and its traditional players, and new opportunities have been provided to business owners. Easy access to information, the possibility of quick comparison of products and many other Internet ...
Master's Thesis of Computer Engineering - Computer Architecture Abstract With the advancement of electronic device manufacturing technology and the cost-effectiveness of large-scale sensor networks, wireless sensor networks provide research fields with rapid growth and great interest, which have attracted a lot of attention in recent years. Large-scale wireless sensor networks ...
Master's Thesis in Electronics Abstract Nowadays, according to the advantages of wireless sensor networks, which are simple and cheap implementation, low power consumption and high scalability, they are used in many applications. Designing sustainable wireless sensor networks is a very challenging issue. Sensors with limited energy are expected to operate automatically for a ...
Dissertation for Master's degree (M.Sc) Abstract: A sensor network consists of a large number of sensor nodes that are widely distributed in an environment and collect information from the environment. Since the nodes are powered by batteries, an important issue that is considered in sensor networks is the issue of energy consumption. One of the methods that are very common in ...
Dissertation for receiving a master's degree, field of study: electricity-power, orientation: electric machines in a synchronous generator, a dc current is applied to the rotor coil to produce a magnetic field. Then the rotor of the generator is rotated by a prime mover to create a rotating magnetic field in the machine. This magnetic field induces a three-phase voltage in the ...
Dissertation to receive a master's degree in electrical engineering, power trend. Abstract: Flexible power transmission systems, which are known as FACTS[1] compensators, are modern tools that have been used in power systems to strengthen the controllability and develop the transmission capacity of power networks based on power electronic converters during the last decade. In ...
Dissertation for Master's Degree in Power Direction Abstract Transmission lines protected by distance relays have limitations in the presence of series compensation. When the fault loop includes a series capacitor, the impedance seen by the distance relay is reduced. The level of compensation at any moment depends on the number of capacitors connected at that time. Therefore, ...
Dissertation for Master's Degree (M.Sc Computer Engineering (Software Orientation) Abstract With the developments in networks and communication technologies, wireless networks are used more. Among them, we can refer to ad hoc networks. Due to the many applications of these networks, the need for security is very important for their proper functioning. One of the problems that ...
Dissertation for Master's Degree in Computer Networks Chapter 1 Introduction 1-1 What is mobile ad hoc network? A mobile ad hoc network [1] is a network formed by wireless hosts [2] that can also be mobile. In these networks, no prefabricated infrastructure is necessarily used. This means that there is no infrastructure such as a central station, router[3], switch[4] or anything ...
Dissertation for Master's Degree in Computer Engineering (M.Sc.) Specialization: Software Abstract Today, moving ad hoc networks are more widely used and popular than in the past. Therefore, paying attention to the category of security in such networks is of great importance to the extent that it has become one of the important topics in scientific and research circles in the ...
Dissertation for Master's degree (M.A) field: Communication Sciences Abstract of the thesis (including summary, objectives, implementation methods and results obtained), the general purpose of the current research was to investigate traffic police television commercials (Sia Saki series of programs) with regard to the components of citizenship and respect for the law. The method ...
The thesis for receiving a master's degree (M.A. Business Administration) The abstract of this research was written with the aim of investigating the ranking of the factors affecting the effectiveness of commercial messages in attracting the audience in Tehran province. In order to achieve the above goal, four questions were used. The theoretical framework of the research was ...
Master's Thesis in Visual Communication Chapter 1 Introduction From the beginning of evolution until today, humans have gone through many ups and downs in order to progress and achieve a better life than before their eyes. One of these challenges has been the need to communicate and record one's thoughts to transmit to others. In this way, the lack of efficient tools and the ...
Abstract The reduction of fossil fuel resources, adverse environmental effects and low efficiency of traditional power grids have increased the desire to produce electricity near the load and the level of the distribution network using renewable sources. One of the basic solutions to solve the problems raised is the use of microgrids. A set of small sources of energy production ...
Master's Thesis in Sports Physiology (M.A.) Abstract: The purpose of this research is to determine the anthropometric indicators of players in different football and handball positions and their relationship with speed and agility. 22 cases of anthropometric index in 58 players (in handball, the average age is 22.07, height 182.61, weight 82.92, and the standard deviation of age ...
Dissertation for Master's Degree (M.A.) Major: Sports Management Abstract: The purpose of this research is to identify and prioritize the obstacles of financial support for championship sports in Fars province. The current research method is a survey and the statistical population of this research includes sports professionals (university sports management professors), sports ...
In order to obtain a master's degree in chemical engineering, abstract freezing of fans in operational units, including the hydrogen unit of Imam Khomeini Shazand Refinery in the cold seasons of the year is one of the important problems in this refinery. In order to provide a suitable solution to this problem, we must have a suitable estimate of the fan outlet temperature. The ...
Sports Management and Planning Thesis for Master's Degree Abstract The present study was conducted with the aim of determining the role of tax exemptions on the development of small sports clubs from the point of view of club managers and sports experts in Isfahan city. The present research is a survey type. The statistical population of this research consists of managers of ...
Master's thesis in the field of electrical engineering (power trend) Abstract of the investigation of transient electromagnetic states in wind turbines with the increasing development of wind turbines, increasing its efficiency has become more critical. One of the factors for measuring wind turbine efficiency is its performance in transient state problems. The phenomena that ...
Abstract: This thesis proposes a new control strategy to control single-phase distributed generation system DG [1] connected to the grid based on Lyapunov stability theory. The main idea in this strategy is that a Lyapunov function similar to energy is defined by considering different states of the distributed generation system and then the control law that makes the time ...
Master's Thesis in Electrical Engineering (M. S. C) Major: Power Abstract At present, fossil resources are rapidly running out, and with increasing concern about air pollution and global warming, experts are thinking of using cleaner energy sources and more compatible with the environment. Among these, wind power and solar energy are two types of huge renewable energy sources. ...
Master's Thesis in the field of Electrical Engineering-Communication System, abstract of the investigation of the methods of removing interference signals in the surveillance channel in passive radars based on DVB-T signal. In this thesis, the performance of adaptive methods in weakening the interference signals including the direct path signal and clutter and the degree of ...
Dissertation for Master's degree (M.Sc) Major: Electronics Abstract: A sensor network consists of a large number of sensor nodes that are widely distributed in an environment and collect information from the environment. Since the nodes are powered by batteries, an important issue that is considered in sensor networks is energy consumption. One of the methods that are very ...
Dissertation for receiving a master's degree, field of study: electricity-power, orientation: electric machines 1.1 Introduction: In a synchronous generator, a dc current is applied to the rotor coil to produce a magnetic field. Then the rotor of the generator is rotated by a prime mover to create a rotating magnetic field in the machine. This magnetic field induces a ...
Abstract Common-mode voltages and currents are generated due to the creation of parasitic capacitance between solar cells and their frame, which is usually grounded. These capacities are usually modeled as capacitors between the negative terminal of the solar cell and ground. In solar cells that are connected to the grid through a transformer, the electrical insulation of the ...
Dissertation for Master's Degree Abstract Today, preventing losses caused by blackouts and undistributed energy is very important. Therefore, one of the most important issues in the operation of the distribution network is the renewal of the load, which has a great impact on the constant service to the subscribers. When a part of the network is cut off due to an error or ...
Abstract Photovoltaic or PV for short is one of the types of electricity generation systems from solar energy. In this method, by using solar cells, direct production of electricity from sunlight becomes possible. Solar cells are semi-conductors that are made of silicon, the second most abundant element in the earth's crust. When sunlight shines on a photovoltaic cell, a ...
Dissertation to receive a master's degree in electrical engineering, power orientation. Abstract: Flexible power transmission systems, which are known as FACTS[1] compensating devices, are modern tools that have been used in power systems to strengthen the controllability and develop the transmission capacity of power networks based on power electronic converters during the last ...
Dissertation for Master's Degree in Power System Abstract: The trend of reducing fossil fuel resources, adverse environmental effects and low efficiency of traditional power grids has increased the tendency to produce electricity near the load and the level of the distribution network using renewable sources. One of the basic solutions to solve the problems raised is the use of ...
Dissertation for master's degree in electricity, power orientation Abstract: In the past, the structure of energy production and consumption systems, such as electricity and natural gas, were independent of each other. But due to the ever-increasing growth of energy consumption and the development of control systems and the need for coordination between energy production and ...