Download more than 100 examples of thesis, proposal and project topics about three level inverter in editable WORD file format at undergraduate, graduate and doctoral levels for use and reference in research, articles, theses, student and academic projects.
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 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 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 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 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 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 ...
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 ...
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 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 ...
Thesis of Master's Degree in Business Management for the year 2010-2011 The first chapter
Dissertation to receive a master's degree in the field of educational sciences Abstract The purpose of this research is to investigate and compare the effectiveness and efficiency of appointed and selected managers and officials in terms of the degree of
Master's Thesis in Civil Engineering - Structural Orientation, February 2013 Abstract: The performance of a building during an earthquake depends on many factors, as a result, predicting the seismic performance of structures should be considered either explicitly or implicitly as part of the design or evaluation. Predicting the seismic response of the structure is very ...
Dissertation for receiving a master's degree in educational technology (M.A) Abstract This research was conducted with the aim of presenting a courseware based on the model of concept acquisition and investigating its effect on vocabulary learning and memorization and comprehension of first-year high school students in English. This study is in the group of quasi-experimental ...
Dissertation for receiving a master's degree in the field of accounting, accounting orientation. The independent auditor's reliance on internal audit saves money and provides more services to the employer with the same cost. Optimum use of the work of internal auditors can improve the efficiency and effectiveness of the independent auditor and increase the value of the internal ...
Dissertation for Master's Degree (M.A.) Major: General, Investigating the effectiveness of exercise on the level of self-esteem, happiness and quality of life of young people. For this purpose, among the beginner athletes who referred to the Darab fitness club in the summer of 2013, 60 people were available and 60 people were selected from normal people and they were matched ...
Dissertation for Master's Degree in General Psychology Abstract research evidence shows that metacognitive beliefs have significant effects on all psychological aspects of human life. Individual-social compatibility and happiness are two of the most important aspects of teenagers' lives that can have a direct impact on their metacognitive beliefs. For this purpose, the present ...
Title: The effect of ethnic groups on the elections of the Islamic Council in the last three terms of West Gilan. The abstract of this research, titled the effect of ethnic groups on the elections of the Islamic Council in the last three terms of West Gilan, was conducted in the cities of Astara, Talesh, Masal, Razvanshahr, Foman, Shaft, and Soumesara. However, only assigning a ...
Dissertation for Master of Social Sciences (M.A) Degree: Research Abstract The general purpose of this research is to investigate the level of particularism among the citizens of Ardabil city and the factors related to it. The theoretical framework of the research is derived from the theories of Parsons, George Herbert Mead, Giddens, Fukuyama, Putnam, Inglehart, Malekpour, ...
Abstract Many evidences indicate the reduction of social trust in all dimensions and emotional and particularistic bias in the relations of activists at all levels in Iran. On the other hand, the issue of social trust in the university as an environment that includes people from different groups and cultures, the necessity of trust as a glue that binds these different groups ...
Dissertation in Master's Degree in Advertising and Cultural Communication Abstract With the introduction and expansion of mobile social networks, the field of communication of more people in different parts of the world has been created, since accurate information about the use of these networks by users is not known. This research was conducted with the aim of the effect of the ...
Dissertation for Master's Degree (M.A.) Direction: Industrial and Organizational Research Abstract: The aim of this research is to investigate the relationship between occupational and personality characteristics and the level of organizational commitment among the exploration management staff of National Iranian Oil Company. Descriptive research method is correlation type. The ...
Master's thesis in the field of clinical psychology. Abstract of the comparison of coping skills, impulsivity and behavioral disorders in three groups of unsupervised, poorly supervised and normal adolescents. Unfortunately, today we witness that the number of unsupervised and poorly supervised children and adolescents is increasing every day. Many social variables are involved ...
Dissertation for Master's Degree (M.A.) Major: Human Resource Management Abstract: Based on studies conducted, a high percentage of employees in organizations complain of signs of stress and often attribute their stress to the leadership style, now the question is whether there is a relationship between the leadership style of managers, the type of personality and the level of ...
Faculty of Educational Sciences and Counseling Dissertation Master's Dissertation, Education Management, Abstract The present research compares the level of depression and anxiety among female teachers of exceptional and normal schools in Karaj city. The statistical population of the present study includes all female primary school teachers in the city of Karaj, of which 105 are ...
Master's Thesis Field: Public Administration Major: Human Resources Abstract The purpose of this research is to investigate the effect of in-service training and its dimensions on the level of job satisfaction of nurses in public hospitals in Rasht city. The independent variable of this research is in-service training. In this research, Latif's 2012 four-dimensional model ...
Dissertation for Master's Degree in Executive-Strategic Management Abstract In this research, the level of organizational effectiveness based on EFQM indicators in Hamadan Municipality has been investigated. The meaning of effectiveness is to check the effectiveness of the measures taken to achieve the predetermined goals of the organization. In general, in an organization, ...
Master thesis of information technology engineering, information systems management, abstract cloud computing as a new computing model in which software, hardware, infrastructure, platform, data and other resources are provided to cloud users virtually and as a service, on demand and through the internet by cloud providers. This model is based on pay-per-use, that is, users pay ...
Master's Thesis in Computer Engineering (Artificial Intelligence) Abstract In recent years, many methods have tried to investigate the level of mental fatigue with different criteria. These methods have used different scales for this task, including performance and electrophysiological based measurements. Among these tools, electroencephalogram (EEG) seems to work better and ...
Dissertation for master's degree in visual communication. The abstract of the present research in four chapters examines the works of cinema posters of the last three decades of Iran - 1360 to 1390. During a period of library research, materials related to the formation and birth of cinema in the world were conducted for the first chapter, and in the second chapter, the same ...
Faculty of Physical Education and Sports Sciences Thesis for Master's Degree in Physical Education and Sports Sciences Majoring in Sports Management Abstract The main purpose of this research was to investigate the relationship between knowledge management and the level of entrepreneurship in managers of private clubs in Tehran. The current research is quantitative in nature, ...
Dissertation for M.A Master's Degree in Business Administration - Marketing Orientation Abstract Nowadays, organizations need effective and efficient methods of communicating with customers in order to improve their sales.
Master's thesis in the field of physical education, general orientation. The present research was conducted with the aim of investigating the relationship between role ambiguity and the level of aggression in football players of the Iranian Premier League. Using descriptive-correlational research, three teams (72 players) were selected as a sample from the teams present in the ...
Master's Thesis in Information Technology Engineering, Information Systems Management, Abstract: Computer adaptive testing is a growing assessment method in many educational as well as non-educational institutions around the world. The distinguishing feature of the computer adaptive test is the execution of the test according to the test taker's ability based on the answers to ...
Dissertation for Master's degree (M.A.) Major: Financial Management Abstract The purpose of this research is to investigate the factors affecting the job satisfaction of employees of National and Pasargad Banks. The research method is descriptive-survey and a researcher-made questionnaire with a reliability of 0.86 was used to collect information. The statistical population of ...
Thesis for Master's Degree in Physical Education and Sports Sciences Abstract The main purpose of this research was to investigate the relationship between knowledge management and the level of entrepreneurship in managers of private clubs in Tehran. The current research is quantitative in nature, applied in purpose, and descriptive-correlation in method. The statistical ...
Dissertation of the master's course in electrical field (M. Sc) orientation: power Abstract: In this thesis, electrical and mechanical defects in electric machines are examined and the factors that cause them and the methods of fixing these defects are stated. After that, with the help of the winding function method of the simulation machine and the intended error, i.e. the ...
Master's thesis in the field of physical education and sports sciences, majoring in sports physiology. Abstract The purpose of this research was to compare the effects of three types of music (loud, soft, and loud) on the results of physical fitness tests. 16 healthy overnight students voluntarily participated in the tests with the average age (22.6±2.38 years), height ...
Dissertation (or dissertation) for receiving a very good grade in the field of physical education and sports sciences, majoring in sports physiology. Abstract: The present study was conducted with the aim of determining the relationship between the level of physical activity, physical fitness factors and physical composition of female students of Al-Zahra Campus (Farhangian) ...
An academic thesis for obtaining a master's degree (M.A)) - Abstract Structural stylistics is one of the new schools that is used today for scientific and accurate knowledge and to achieve the unique characteristics of literary works as well as comparison between these works. This treatise has analyzed four collections of poems written by three poets from the east of Gilan. A ...
Dissertation for receiving a doctorate degree in dentistry Summary: Introduction and purpose: It is important to evaluate occlusion in the period of milk teeth in order to recognize and correct occlusal problems during the development of teeth and to have a normal occlusion in adulthood. Because in children, occlusion examination, especially in the area of ??milk molars, ...
Dissertation for receiving a master's degree in the field of physical education, specialization: sports physiology. The aim of this study was to investigate the effect of six weeks of training and three weeks of non-training on the aerobic and anaerobic capacity of futsal referees in Sari city. The research method was quasi-experimental with a pre-test and post-test design with ...
Dissertation for the Master's degree in the field: Education and Sports Sciences, Major: Sports Physiology. Abstract The aim of the current research was to investigate the effect of three simultaneous training methods on the anthropometric and health indicators of middle-aged men. For this purpose, in the current study, 30 middle-aged men with an average age of (45.2±5.7 years) ...
Chapter 1 1-1 The field of research: Consciousness is awareness of oneself and the environment and response to external stimuli and internal needs. Consciousness is also a dynamic and variable state and has levels that are not really separate from each other and is in the form of a spectrum where full consciousness is at one end and coma is at the other end (1); Coma is a state ...
Dissertation for Master's Degree Abstract The general purpose of this research is to investigate the effect of low-intensity resistance training with restricted blood flow on the serum levels of growth hormone, cortisol, testosterone and IGF-1 in young men. 30 healthy young men with an age range of 19-24 years who volunteered to participate in the study were selected as a ...
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 ...
Dissertation to receive a master's degree in nursing education (internal orientation) - Abstract Introduction: The clinical environment contains conditions and stimuli that affect learning, but motivation is the first and most important element of learning behavior. One of the important theories in this field is self-determination theory, which is a theory of general motivation. ...
Abstract: Introduction and objectives alpha-amylase is an enzyme from hydrolases that catalyzes 1-4 alpha-glycosidic bonds in polysaccharides and is one of the most important digestive enzymes. The use of alpha-amylase inhibitors (such as green tea) can be useful in weight control, so comparing the level of hepatic alpha-amylase gene expression between obese and normal mice and ...
Dissertation: To receive a doctorate in medicine, Persian abstract, background and purpose: Breast cancer is the most common invasive cancer in women, and it comprises 16% of all women's cancers. Breast cancer is the most common cause of cancer-related death in women. Therefore, in this study, the serum levels of Vit D, ESR, and CRP were compared in patients with malignant and ...
Master's Thesis on Irrigation and Drainage Abstract In arid and semi-arid regions, wastewater treatment and its reuse is considered as an important factor in water resource planning. Some researchers believe that the use of treated wastewater in agriculture is a very suitable solution because the elements removed from the soil by the plants are returned to the soil and the risk ...
The thesis for obtaining a master's degree in the field of agriculture was carried out in order to investigate the effect of planting date and density on the growth characteristics and yield of experimental potato cultivars during 2013 in Mojn city of Shahrood city. The experiment was carried out in the form of factorial split-plot design based on randomized blocks in three ...
Abstract This experiment was conducted in order to investigate the use of different levels of sesame flour and two ration methods based on total amino acids and digestible amino acids along with phytase enzyme on performance and carcass characteristics in broilers. 360 day-old broiler chickens were allocated in 12 treatments, 3 replications and 10 chicken pieces in each ...
Master's thesis in special care nursing Abstract: Introduction: The patient who is admitted to the special care department is exposed to sensory deprivation for various reasons. The results of studies indicate the positive effect of sensory stimulation in preventing sensory deprivation, but the role of the family compared to nurses in performing sensory stimulation has not yet ...
Dissertation for Master's degree (M.Sc) major: Agriculture, investigating the effect of several types of pretreatment on Maritigal plant seeds (Silybum marianum) under several levels of salinity stress. Abstract: According to the available statistics at the global level, after China, India and Pakistan, Iran has the highest percentage of saline lands, so it is necessary to ...
Dissertation for obtaining a master's degree (M.Sc) Abstract: In order to investigate the effect of different amounts of iron and sulfur on the yield and components of the peanut plant, a factorial experiment in the form of a randomized complete block design in 3 replications with 4 levels of sulfur fertilizer from the source of granular sulfur fertilizer (including 0, 40, 80 ...
Thesis for Master's Degree in Animal Nutrition Abstract The purpose of this research was to investigate the effect of different levels of black seed on growth performance, some blood factors and immune response in quail. For this purpose, 240 one-day-old quail pieces were distributed in 4 treatments and 4 repetitions and 15 quail pieces in each repetition in a completely random ...
Dissertation for Master's Degree in Special Care Nursing Introduction: Evidence-based care is the application of the best research results, along with knowledge, expertise, clinical experiences and attention to the patient's values ??in the provision of care. For this purpose, the use of evidence-based guidelines and the quality review of evidence-based clinical care guidelines ...
Dissertation for the degree of general doctor of medicine Introduction: Examining the mental health status of students who are young and active members of the society and have a special position in the society is very important and since entering the university leads to major changes in a person's life, it is considered a very sensitive stage. In the present study, the mental ...
Dissertation: Dissertation for receiving a specialized doctorate degree in internal medicine Persian abstract Title: Comparison of the effectiveness of two-week and three-week treatment with prednisolone in immune thrombocytopenic purpura patients of Khansari Hospital Introduction: ITP is an acquired disorder characterized by immune-mediated destruction of platelets or ...
Dissertation for receiving the master's degree ""M.Sc."" Orientation: Agriculture Abstract Effect of different levels of super absorbent (A-200) on the yield and yield components of wheat cultivar Shahriar at different levels of irrigation in two types of soil with different textures. This research was conducted in order to investigate the effect of the application of different ...
Dissertation of the Master's course in the field of electricity (M. Sc) orientation: power Abstract: In this thesis, electrical and mechanical defects in electric machines are first examined and the factors causing them and the methods of fixing these defects are stated. After that, with the help of the winding function method of the simulation machine and the intended error, ...
Dissertation to receive a Master's degree (M.Sc.) in the field of Animal Science, Animal Nutrition, Abstract: Poultry breeding has taken a special place to provide part of the nutritional needs of the society, and the current society has correctly recognized this position and it is expanding every day. Therefore, it is very important to try as much as possible to improve the ...
Dissertation for getting a master's degree » « M.SC. Orientation: Agriculture Abstract Investigating the effect of planting density and different levels of iron fertilizer on the yield and yield components of rapeseed variety Hayola 401 In order to investigate the effect of plant density and different levels of iron fertilizer on the yield and yield components of rapeseed ...
Abstract This study was conducted to determine the effect of different levels of vitamin E and C on growth indices and blood parameters in flowerhorn fish (Cichlosoma sp). 9 diets containing a combination of 0, 100 and 1000 mg/kg of food of vitamin E and 0, 100 and 1000 mg/kg of food of vitamin C were considered in three replicates for 8 weeks. The initial weight of the fry was ...
Master's thesis in the field of agriculture and plant breeding, agriculture trend. Abstract In order to investigate the effects of plant smoke extract and aerosol smoke on germination rate, germination percentage, root length, shoot length, seedling weight, seedling root and root to shoot ratio, as well as some growth indicators, in three medicinal plants, fox berry, chamomile ...
Dissertation for obtaining a master's degree in the field: Agricultural Engineering, specialization: Agricultural Management. Abstract In order to investigate the irrigation management of tobacco, which is one of the valuable agricultural and industrial products and is cultivated in different climatic conditions, an experiment was conducted in the form of split plots based on ...
Master's thesis in the field of agriculture Abstract In order to investigate and compare the effect of osmopriming and hydropriming of corn seeds at different levels of nitrogen fertilizer on the yield and yield components of double cross 370 corn, a split plot experiment was conducted in the form of a randomized complete block design in three replications in 2019 and in the ...
Master's Thesis in the field of Educational Sciences, Educational Planning, 2013 Abstract The purpose of this research was to determine the feasibility of product-oriented skill training in the country, which seeks to answer three questions:
Dissertation for Master's Degree (M.A) in Educational Management Spring 2014 Introduction The basis of power and vitality in today's world comes back to the level of having science and knowledge. Today, the majority of the directions of the world are towards the production and development of science and technology, and developed countries are transitioning from industrial ...
Dissertation for Master's Degree in Educational Psychology Spring 2019 Abstract Concept map is one of the teaching-learning strategies that can facilitate meaningful learning in students and relationships
Dissertation for obtaining a master's degree in civil engineering. 2013 Winter Earthquake Abstract of earthquakes close to the fault due to having pulse type movement with a long period at the beginning of the record, including
Thesis for receiving a master's degree in the field of civil engineering of hydraulic structures, October 2013 This study is to quantitatively evaluate the effects of watershed operations and with the aim of evaluating the efficiency of projects
Expert thesis Master of Civil Engineering, Structural Orientation, September 2013 Abstract Today, with the progress of science in the construction industry, many methods have been presented to improve reinforced concrete structures
Master's Thesis in Civil Engineering - Earthquake Engineering 1391 Abstract Structures with frames with coaxial braces are among earthquake resistant systems. These structures are widely
end Letter for receiving a master's degree (M.A.) in the field of business management, financial orientation, fall 2013. Abstract of this research is a group of items from the exploration of the basics of research evaluation regarding motivation.
Abstract Today, word of mouth advertising as One of the common tools of marketing and advertising has gained great importance among marketers, so that studies show that advertising
Dissertation for receiving the master's degree in management "M.A." Trend: financial winter 2013 Abstract The aim of the current research is to explain the relationship between leadership competencies
Field: Executive Management Fall 2019 Abstract: The purpose of this research is to investigate the relationship between organizational justice and job performance of employees of Ardabil gas company. Organizational justice, the role of fairness and especially the perception of fairness in the environment