Download more than 100 examples of thesis, proposal and project topics about dc current in editable WORD file format at undergraduate, graduate and doctoral levels for use and reference in research, articles, theses, student and academic projects.
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 ...
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 ...
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 ...
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 ...
Thesis for receiving the degree of master's degree (M.A) Trend: Educational research in the fall of 2012, satellite abstract from the seventies to today in Iran, has continued to influence society and family.
Thesis for obtaining a master's degree in accounting. Abstract: Auditing institutions have important theoretical and empirical concepts for determining audit fees. They use various factors for the pricing of auditing services, and many researches have been done in relation to the identification and evaluation of these factors. The factors considered in most studies include risk ...
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 obtaining a master's degree (M.A) in the field of social sciences (researcher orientation) when a brief look at today's societies and modern families! We have no doubt that kindergarten is an essential need. Mothers who leave the house early in the morning to do work and return tired in the evening, grandparents who are either absent or unable to take care of ...
Thesis for receiving the master's degree in architectural engineering (M.A) fall 2013 Abstract Today, the elderly constitute a large segment of the population of any society, due to the control of population growth and
Dissertation for Master's degree (M.A.) field and direction: Accounting Abstract: The subject of this thesis is ""the effect of profit management on the relationship between corporate governance and profit quality"". In this research, the relationship between profit management and profit quality, corporate governance and profit quality, profit management and corporate governance ...
The abstract of the present research was conducted to investigate the relationship between emotional skills and emotional security with the quality of married life of couples living in Rodan city. This research was designed and carried out by descriptive-correlation method. The tools used in this research were the Enrich Marital Satisfaction Test, the Toronto Emotional Awareness ...
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 ...
Dissertation for receiving a master's degree, specialization: Accounting, Abstract: The recent scandal in Enron and Worldcom and other American companies caused public sentiments to be aroused. Therefore, the general public believes that the profit management applied by company managers tends to opportunistic profit management, so that their personal interests are maximized. The ...
Master's Thesis in Psychology (M.A) Orientation: Educational Abstract: The purpose of this study was to investigate the effect of extracurricular activities on academic self-efficacy and academic performance of middle school female students in Bandar Abbas city. This research is practical in terms of purpose and comparative causal in terms of nature and method. The statistical ...
Dissertation for master's degree in accounting, accounting orientation Abstract: Considering that based on the agency theory, corporate governance is created to provide control and balance between the interests of managers and shareholders and as a result to reduce the conflict of agency, companies that have a better quality of corporate governance system should face the problem ...
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 ...
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 Master's Degree Abstract In developing countries, such as Iran, environmental issues have socio-cultural aspects rather than technical aspects. Therefore, the main goal of environmental protection in relation to the social environment is to increase environmental awareness at the community level and change the social vision and strengthen the environmental ...
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 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 ...
Dissertation for receiving a master's degree in computer engineering, software orientation. The abstract of many software development costs, related to frequent tests, is in the phase of software maintenance, evolution and modification; Because making any change in the software code results in a new version, the correctness of which requires the design of new tests as well as ...
Master's Thesis in Computer Engineering (Artificial Intelligence) Abstract Multi-agent systems are computing systems in which several agents interact and work together to achieve a specific goal. The reason for the emergence of such systems is the existence of situations in which a problem must be solved in a distributed fashion. For example, in situations where the use of 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 ...
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 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, ...
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 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 Cinema Introduction: The term religious cinema, especially in the last three decades, has created different reactions and perceptions in the minds of art people, cinematographers, filmmakers, cinematic thinkers and even ordinary people of the world to the point that by reviewing books, publications, articles and various cinematic and non-cinematic writings ...
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 Media Management Abstract In this research, we have tried to investigate the relationship between leadership style and organizational atmosphere with employee motivation in the Islamic Republic of Iran Broadcasting Organization, and 384 people were selected as a sample through systematic sampling. After examining the demographic information of the sample ...
Dissertation for Master's Degree in Physical Education and Sports Science, Sports Management, Abstract The purpose of this study was to investigate the role of service quality in predicting the behavioral decisions of the spectators of the Premier Basketball League. The research method of the current research is descriptive of the correlation type and according to the purpose of ...
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. ...
Abstract: Today in the world, sponsorships, especially sports sponsorships, constitute marketing activities. In Iran, financial sports activities are growing, especially in football. Therefore, it is necessary for company managers to obtain complete information about the effectiveness of this type of marketing activities so that they can make decisions including the allocation ...
Dissertation for Master's Degree (M.A) Major: Sports Management Abstract The general purpose of this research is the relationship between service quality, exercise commitment, brand and brand loyalty of participants in health centers in Tehran. The current research is contemporary in terms of time. Also, this research is applied in terms of its purpose, and in terms of research ...
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 ...
Motor behavior group, academic thesis for receiving a master's degree, motor behavior orientation. Abstract: A person's sense of competence in doing things (perceived competence) is one of the important factors in the development of self-concept. Perceived physical and motor competence plays a significant role in the idea of ??participation in physical activities. On the other ...
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 ...
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 ...
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 ...
Research Title: Nurses' view of personal and organizational barriers to hand hygiene in Tabriz neonatal wards, 2012 Research context: Infections caused by health care and treatment are one of the most common causes of death and disability in patients admitted to hospitals in developing and advanced countries. The survey conducted by the World Health Organization in 55 hospitals ...
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, 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 in the field of telecommunication electrical engineering - abstract system of investigating and presenting a robust and efficient routing algorithm for military contingency wireless networks. Since the early 1980s, a new concept called network-based defense has emerged in the military forces. In order to achieve this concept, there is a need to have a military ...
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 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 ...
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 ...
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 Electrical Power 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, for the ...
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 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 ...
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 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 ...
Thesis of a specialized doctorate in media management, March 2019, abstract: Today, technological developments in media fields and access to satellite networks and the introduction of web-based audio-visual media.
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 to receive a master's degree (M.A.) major: Curriculum planning Abstract of the thesis (including summary, objectives, implementation methods and results obtained): The present research seeks to examine the components of professors' professional ethics. Since educational environments, especially universities, play an important role in the education of individuals and ...
Social-Economic Systems Engineering Abstract: In this research, by studying, examining and applying the principles of game theory, a new hypothesis has been presented in the field of using game theory in the strategic planning of organizations in order to reduce the impact of environmental changes that have occurred over time on the formulated strategies of companies. In other ...
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 ...
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 to receive the master degree of Persian language and literature ""M.A."" Abstract Farsi and English are both Indo-European languages ??and mixed languages. The meaning of combination is that it is possible to join the words of the language to each other, or add prefixes and suffixes to them to express new meanings and concepts, thus creating thousands of new words ...
Master's in Movement Behavior and Sports Psychology Developmental coordination disorder is used to describe children who have difficulty performing some movement skills and lack the necessary competence to deal with their daily movement needs. The purpose of this study was to investigate the effect of selected exercises on the reaction time and posture control of 7-8 year old ...
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 ...
Master's Thesis in Mechanical Engineering, Applied Design, Abstract In this research, an analytical solution is presented to show the size dependence and the effect of temperature difference on nonlinear free vibrations and post-buckling behavior of microtubes containing current. Based on Euler-Bernoulli model, strain gradient theory, Couple's stress theory and von-Carman ...
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 ...
Master's Thesis of Electrical-Communication Engineering Abstract Production and amplification of radio frequencies [1] is the heart of satellite communication and optical electronics applications. The telecommunications industry is looking for smaller and more efficient RF amplifiers at higher frequencies. Nanostructures meet these needs due to their unique characteristics. In ...
Master's Thesis in Electrical Engineering (Power) Abstract Optimum placement of fault current limiters in microgrids in order to improve service continuity due to the increase in consumption demand and the ever-increasing penetration of scattered production sources into the power network, production and distribution systems are becoming more and more complex. Connecting these ...
Dissertation of Master's Degree Course in Curriculum Planning Semester: 94-93 First chapter: General -1. Introduction: Teachers need to be one of the most effective elements in education