Download more than 100 examples of thesis, proposal and project topics about topology of inverters 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 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 Master's Degree (M.Sc.) Orientation: Power Abstract In recent years, with the advances made in data processing and transmission technology, distribution companies are more and more interested in using distribution automation systems. One of the most effective users of automation is the renewal of the distribution network, which is often analyzed as an ...
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 obtaining a master's degree in the computer field, software orientation. Abstract The increasing use of wireless sensor networks in human life shows the great importance of this technology. Energy limitation in the constituent elements of wireless sensor networks, which are sensor nodes, has always been considered as the most important challenge facing this ...
Master's thesis in telecommunications-systems, the abstract of the current research is about the issue of scalability in wireless sensor networks with imaging capability, which has analyzed, mathematically modeled and simulated the scalability by considering a relatively practical scenario of the sensor network, and based on the performance criteria of outage capacity and ...
Thesis for obtaining a master's degree in the field: computer, software, abstract. In a sensor network, which is a pervasive distributed system, communication synchronization is one of the discussed cases. One of the main tasks of synchronizing processes is mutual exclusivity. The new algorithms provided are more fair compared to the old algorithms. In this thesis, we present a ...
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 M.Sc. Abstract A wireless sensor network is a network consisting of many small nodes. The node receives information about the environment through sensors. The energy consumption of the nodes is usually provided by batteries, which in most cases cannot be replaced. Therefore, the consumption power of nodes is an important issue in these networks. And it is very ...
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 (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 ...
Abstract The growth and development of computer networks is not a secret to anyone. For years, the collection and processing of information is done by computers. In addition, the computer plays an important role in distributing information and communicating through computer networks. We need a backbone to communicate between networks. This infrastructure network, which consists ...
Master's Thesis in Computer Engineering, Major: Current abstract software using wireless sensor networks (Wireless Sensor Network) in its expanded form. Due to the predominant use of batteries to supply the energy consumption of these sensors and also the lack of easy access to sensors in many of these applications, engineers and researchers are encouraged to design routing ...
Master's Thesis in Computer-Software (M.Sc) Abstract The quality of service in wireless sensor networks is very different compared to traditional networks. Some of the parameters that are used in evaluating the quality of service in these networks are: network coverage, optimal number of active nodes in the network, network lifetime and energy consumption. In this thesis, three ...
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. ...
Master's Thesis / Inorganic Chemistry Abstract Considering the application of nonlinear optical properties (NLO) in technologies such as lasers, remote communication, photovoltaic cells, information processing and holography and the mineral diversity of these materials, we started a research in this field and focused on borazine-containing dyes. Our main goal in this research is ...
Presented to graduate education management as part of the academic activities required to obtain a master's degree in the field of mechatronics. Abstract As you know, air conditioner is a high consumption device and has a Freon refrigeration cycle. What drew the companies to the production of inverters was to solve the shortcoming of air conditioners in high energy consumption. ...
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 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 ...
Master of Mechatronics Abstract As you know, the air conditioner is a high consumption device and has a Freon refrigeration cycle. What drew the companies to the production of inverters was to solve the shortcoming of air conditioners in high energy consumption. To improve energy consumption in every part of the industry, one should pay attention to several parameters, it is ...
The abstract of the current research is about the issue of scalability in wireless sensor networks with imaging capability, which has analyzed, mathematically modeled and simulated the scalability by considering a relatively practical scenario of the sensor network, and based on the performance criteria of outage capacity and ergodic capacity of the network. Scalability is ...
Master's thesis in the field of electrical engineering, system communication Abstract: Investigating routing algorithms in radiological networks and presenting a method to improve the output of the radiological technology network was first expressed by Dr. Mitola in 1999 and in recent years has created an emerging evolution in the field of radio communication that can provide ...
Abstract A wireless sensor network is a network consisting of many small nodes. The node receives information about the environment through sensors. The energy consumption of the nodes is usually provided by batteries, which in most cases cannot be replaced. Therefore, the consumption power of nodes is an important issue in these networks. And it is very necessary to use ...
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 ...
Master's Thesis of Electrical Engineering-Telecommunications Abstract Wireless mesh networks are one of the technologies of interest for creating next generation wireless networks. Because these networks can provide users with a wide coverage area and high capacity with low power consumption and low cost due to less path loss and also reducing the effect of the shadowing factor, ...
Master's Thesis Electricity- Pollution power of big cities has become an acute issue for years. Expert research shows that the main cause of pollution in cities are cars with internal combustion engines. Combustion vehicles have many disadvantages, among which we can mention things such as dependence on a specific type of energy (oil), production of greenhouse gases, production ...
A master's thesis in the field of electrical-power engineering. Time series load distribution. In this research, the application of time series models in the power system is discussed. Time series are used to model different power grid parameters and in various applications. These models are able to consider the time correlation of power grid variables. According to the modeling ...
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 ...
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 ...
Abstract The main purpose of the research is to investigate the relationship between business strategy and profit quality in companies admitted to the Tehran Stock Exchange market. The statistical sample of the research includes 145 companies accepted in Bo
Abstract The main purpose of the research is to investigate the relationship between business strategy and profit quality in companies admitted to the Tehran Stock Exchange market. The statistical sample of the research includes 145 accepted companies
Dissertation for receiving the master's degree ""M.A."" Management Shahrivar 1390 Abstract The aim of the research is to investigate the effect of establishing the proposal system on the efficiency of Merck's professional response system
Dissertation for obtaining a master's degree (M.A) Business Management - Marketing Orientation Summer 2019 Abstract Considering the ever-increasing speed of changes and competition in the economic world, managers should have
Thesis for obtaining the master's degree (M.A.) (Trend: Human Resource Management Winter 1391 Abstract: Naza University
Master's Thesis in Accounting (M.A.) The disclosure of information is different in different companies. What is discussed in this research is profit prediction. Profit forecasting in Iran is done by managers. Considering the role that managers have in profit forecasting, in this research, the relationship between the manager's ability and the timing of the forecast disclosure, ...
Dissertation for receiving a master's degree, specialization: accounting, is an abstract of the present research and research work in order to determine the effective factors in the selection of accounting methods for the inventory of materials and goods and its effect on the quality of profitability of companies admitted to the stock exchange. This thesis prepares a framework ...
Dissertation for master's degree in accounting, accounting major. Abstract: The present research was conducted in order to provide evidence regarding the effect of ""privatization"" on the quality of profit of companies admitted to the Tehran Stock Exchange. The spatial domain of this research is Tehran Stock Exchange and its temporal domain is 1382 to 1392. In order to test the ...
Master's thesis in accounting, the present research was done to provide evidence to clarify the relationship between the quality of profit and the liquidity of stocks, as well as to evaluate the impact of the quality of profit on the liquidity of stocks. In this research, 96 companies admitted to the Tehran Stock Exchange in the 5-year period of 1387-1392 (with one year in ...
Thesis for the M.Sc degree in wood and paper industry engineering, Mehr 2013 Abstract: In this research, the physical and mechanical properties of nanocomposites obtained from cellulose nanofibers and poly polymers
Chapter 1 1-1-Introduction: Common fluids such as water, oils and ethylene glycol, which are usually used as heat transfer media, have a limited ability in terms of thermal properties, which is the first obstacle to compress and increase the efficiency of heat exchangers. One of the ways to improve heat transfer is to add particles to the fluid. This method is used for fluids ...
Master's Thesis in Accounting (M.A) Abstract In this research, the relationship between the joint board of directors, discretionary disclosures and profit quality in 57 companies admitted to the Tehran Stock Exchange from the beginning of 2015 to the end of 2010 is examined. In this research, stock volatility, joint management board and independent director are considered as ...
Abstract: In this study, the relationship between ownership concentration, company performance and dividend policy in companies listed in the food and pharmaceutical industries of the Tehran Stock Exchange has been examined. The statistical sample of the research includes 44 companies during the period of 1380 to 1387. The chosen approach for hypothesis testing is the ...
Thesis for receiving a master's degree in the field of educational management in the field of educational sciences. Abstract: The problem of many companies and educational centers today is the problem of human resources and the lack of proper efficiency of these forces in organizations. This research has been prepared for all industries, companies, organizations and educational ...
Dissertation for receiving a master's degree in the field of industrial engineering, Shahrivar's industrial trend. 2013 Abstract: Many economists consider agriculture as the driving force of economic growth.
Dissertation for master's degree in accounting research abstract: The purpose of financial reporting is to provide appropriate information for decision making by the users of financial information. Financial reporting may take the form of financial statements or other information transfer tools. Much of the information provided by financial reporting is based on predictions ...
Dissertation for Master's degree (M.Sc) Major: Accounting Abstract The main purpose of this research is to examine the relationship between stock liquidity and real profit management of companies listed on the Tehran Stock Exchange. The statistical population of the present research is the companies admitted to the Tehran Stock Exchange during the years 1382 to 1391, and the ...
Dissertation for Master's Degree in Accounting Abstract The purpose of this research is to re-explain the relationship between dividends and re-presentation of financial statements as a measure of profit quality. Specifically, this research focuses on conditions that can classify management's motivation in using accruals into two fraudulent and non-fraudulent groups. In this ...
Dissertation to receive master's degree in accounting. Abstract In the conditions of the realism of the presented financial statements, the profit based on the accrual accounting system should be able to reflect valuable information about the current situation and future prospects of the company to the market. In this case, the profit may reflect the personal interests of the ...
Master's Thesis in Clinical Psychology (M.Sc) Abstract Reading is the most basic learning tool for students. Dyslexia accounts for the largest percentage of learning disabled students, which is defined by the lack of success in language skills such as reading, writing and spelling. Memory, especially active memory, is one of the important factors in learning that these students ...
Master's thesis in the field of philosophy of education Abstract Study of professional ethics from the point of view of secondary school counselors The purpose of this research is to investigate the study of professional ethics from the point of view of secondary school counselors. This research was conducted in a qualitative paradigm using the dominant-less dominant model. In ...
Master's Thesis in Clinical Psychology Abstract: Objective: Social anxiety is a very debilitating disorder that can disrupt many aspects of a person's life. In this research, the researcher seeks treatment using neurofeedback methods and the presence of mind as new treatments in the field of psychology. Method: The design of this research is quasi-experimental with pre-test and ...
Dissertation for receiving the master's degree ""M.A."" Accounting - Abstract accounting is a main factor of successful investment, management's ability to predict the efficiency of projects; Because forecasting plays a major role in investment evaluation methods. Therefore, corporate investment decisions require managers to predict expected cash flows from potential ...
Dissertation for M.A. degree in Accounting Abstract One of the times when management's motivations are triggered for profit management is the initial public offering. Any public offering of securities that is offered to the public and investors for the first time is called an initial public offering (IPO). One of the ways to reduce profit management is to improve audit quality. ...
Dissertation for Master's Degree (M.A) in Accounting Abstract: Investigating the impact of profit management on the auditor's opinion in companies listed on the Tehran Stock Exchange Abstract: Auditing is the process of ensuring the reliability and relevance of financial statement information. The existence of conflict of interests between shareholders and managers gives special ...
Dissertation for receiving a master's degree in the field: accounting. Abstract One of the existing mechanisms in order to reduce the agency problem and reduce the information asymmetry between shareholders and managers in the capital markets is the corporate governance system. The role of institutional shareholders in corporate governance and their presence in companies has ...
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 receiving a master's degree major: Accounting Abstract: The purpose of this research is to investigate the relationship between changes in dividends, earnings per share and changes in earnings per share with changes in future earnings. In this research, information related to the balance sheet, profits and cash flow of 100 companies active in the Tehran Stock ...
Dissertation for receiving a master's degree, orientation: accounting. Abstract In this research, we have examined the relationship between dividend policy and productivity. The intended research is an applied research. In terms of the type of research design, it is retrospective in order to rely on historical information, and its inference method is inductive and correlational. ...
Dissertation for M.A. in Accounting. Profit abstract for effectiveness should be available on time. The timeliness of the profit makes the yield real and if it is presented in short intervals, it reduces the information risk. Timeliness is considered one of the most important qualitative features of financial information. If in a potential transaction one party has more ...
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 Field: Educational Management Major: Educational Management [1] Abstract: This research was conducted with the aim of investigating the relationship between psychological ability and quality of work life with the job satisfaction of professors of Islamic Azad University, Bandar Abbas branch. The method of this descriptive research is a correlational type. To ...
Master's Thesis of History and Philosophy of Education (Islamic Education) Abstract Ethics and moral education is considered one of the most important human issues in schools and especially human education. Because moral education provides happiness and salvation. The category of ethics has various dimensions such as reason and emotion. Intellect and emotion are two high human ...
In order to obtain a master's degree in the field of general psychology, the general aim of this research is to compare learning styles, resilience and problem solving skills in professional and non-professional chess players. The method of this research is descriptive correlational. The statistical population includes all chess players under the supervision of the Chess ...
Master's thesis in the field of accounting, abstract of management overconfidence and dividend policy in companies listed on the Tehran Stock Exchange, overconfident managers find foreign financing expensive and, therefore, compensate future investment needs by reducing current interest payments. The purpose of this research is to investigate the relationship between management ...
Dissertation for receiving a master's degree, Major: Accounting Abstract: We have started this research with the basic question that adjustments in accounting profit, such as profit smoothing, will have an effect on new indicators of performance evaluation, such as economic added value, or not? For this purpose, we have investigated this issue under the title ""Investigation of ...
Dissertation for Master's Degree in Accounting Major: Accounting Abstract: Profit smoothing is defined as the effort applied by management to reduce abnormal changes in profit in terms of accounting principles. In this research, the relationship between profit smoothing and information asymmetry in the life cycle of business units has been investigated and measured. In order to ...
Dissertation for obtaining a master's degree, specialization: accounting. Abstract: Forecasting profit per share is of particular importance in investments, because it follows the changes in stock prices and the direct reaction of the capital market. On the other hand, in the current business environment, due to the rapid changes in technology and financial conditions, managers ...
Dissertation to receive a master's degree in accounting, accounting major. Abstract: The strong position of a production gives the company a lot of staying power. Pricing power gives these companies more profit and allows them to maintain their superior position. High security of these companies against lack of cash, their ability to face unfavorable economic situation
Dissertation for receiving master's degree in accounting, accounting orientation, the abstract of profit information content, has been widely tested in accounting and financial texts. Since in most cases, including financial reporting and evaluation models, profit plays a fundamental role, it is very important to determine the financial items and variables related to accounting ...
Master's Thesis in Accounting (M.A) Abstract The topic of ethics and practicing professional ethics is one of the serious and important topics in the field of accounting, which directly affects the honesty and ability of accountants to gain public trust. Especially, the lack of correct and ethical training can lead to fraudulent activities. Therefore, the importance of the ...
Dissertation for obtaining a master's degree, specialization: accounting, abstract: profit is one of the important items of financial statements, which has different uses in different writings. Profit is usually thought of as a basis for calculating taxes, a factor for formulating dividend payment policy, a guide for investors and decision-making, and a factor for forecasting. ...
Master's Thesis in Accounting Abstract Knowing the cost behavior in response to changes in production and sales levels is very important for company management. In the common and traditional model of cost behavior, variable costs change in proportion to changes in the level of activity, meaning that the amount of change in costs depends only on the amount of change in the level ...
Dissertation for receiving the master's degree ""M.A."" Abstract In the last two decades, we have moved towards an economy where investment in human resources, information technology, research, development and advertising seems necessary in order to maintain competitive advantage and environmental guarantee of organizations. Therefore, it can be said that the source of creating ...
Dissertation for obtaining a master's degree, field: accounting, major: accounting, profit information is the basic basis for investors to make decisions. In recent years, due to a series of significant frauds in accounting, the issue of earnings management has attracted the attention of many academics and practitioners. However, the focus of most studies has been limited to how ...
Dissertation for master's degree in educational sciences, educational research orientation. Abstract: Considering the effect of classroom management in creating a suitable and favorable learning atmosphere on the one hand and the effect of self-regulated learning on academic life and academic progress and improving education on the other hand, this research aims to investigate ...
Dissertation for Master of Social Sciences (M.A) Degree: Researcher Abstract Professional values ??are the basis of employees' performance, which guide employees' interactions with citizens, colleagues, other professionals, and the general public, and provide a framework for commitment to the welfare of citizens and guidance for ethical behavior in the provision of humanitarian ...
Dissertation to receive the master's degree ""M.S.c"" specialization: Textile chemistry and fiber science Abstract: One of the important processes in the completion of textile goods is the underhand improvement in textiles. Finishing the softener provides a desirable softness to the fabric and improves its properties, and the main goals of the softener are to reduce static ...
Dissertation for obtaining a master's degree, specialization: accounting, abstract: several studies have proven that stock returns perform differently in different time horizons, short-term, medium-term, and long-term. Two important and widely used strategies among analysts, portfolio managers and other investors in the current capital markets of the world are the reverse ...
Dissertation for Master's Degree in Educational Planning Abstract: Information technology is an emerging and progressing science that every year we witness the presence of this science in various fields and important news about the influence of this science in human life. The presence of knowledge and education is one of these fields that has not been without the impact of ...