Download more than 100 examples of thesis, proposal and project topics about dynamic voltage recovery in editable WORD file format at undergraduate, graduate and doctoral levels for use and reference in research, articles, theses, student and academic projects.
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 ...
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 ...
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 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 M.sc degree, field: electricity, orientation: power electronics. Abstract Voltage stability is related to the power system's ability to maintain acceptable voltages in all system buses under normal conditions and after disturbance. The system enters an unstable state when a disturbance, an increase in the required load or a change in the system's position causes ...
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 ...
Master's Degree in Physical Education (Sports Physiology) Abstract Objective: The aim of the research was to determine the time-dependent effect of short-term intense interval training on the dynamics of oxygen absorption in girls. Methodology: For this purpose, 40 female students of Arak University with an average age of 25 ± 5 years, weight 54.30 ± 10.390 kg and height 162.5 ± ...
Master's thesis in the field of electrical engineering - power abstract of the possible analysis of dynamic stability of microgrids, considering wind turbines, in recent years, the high penetration of renewable energy sources, especially wind energy, in power networks has created new problems. One of the most important issues is the uncertainty in the power produced by wind ...
M.Sc. Dissertation for Master Degree in Chemical Engineering - Process Engineering Abstract Mercaptans are removed from hydrocarbon streams by various methods. The use of caustic soda solution and mucoli sieve beds are among the most widely used methods. In the oil and gas industries of our country, washing with relatively dilute caustic solution is often used to remove light ...
Master's Thesis in Chemical Engineering Abstract Simulation of dynamic surface tension phenomenon in solvent oil systems based on permeation process is one of the prominent processes in the field of increasing extraction from oil reservoirs, gas injection. Therefore, a correct understanding of the mechanisms and how these processes are carried out is a big step towards ...
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 in Mechanical Engineering (Applied Design) Abstract: Electromechanical micro and nano systems have been noticed due to their distinctive features and unique characteristics, mainly in the two fields of sensors and sensors, in various sciences such as mechanics, aerospace and medicine. Electrostatic stimulation is one of the simplest and most ...
Dissertation for Master's Degree in Mechanical Engineering-Energy Conversion Abstract The goals of this project include providing a solution for calculating the calorific value of waste based on the knowledge of the composition of waste and also proposing a combined cycle of waste incinerator power generation using the cold energy recovery of liquefied natural gas along with the ...
Dissertation for obtaining a Master's degree (M.Sc) in the field of electricity, power trend. Abstract With the restructuring of the electricity industry, the producers of the electricity industry appear as independent entities in the electricity market. In fact, the power plants must supply their produced electricity to the electricity market, and the financial settlement is ...
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 ...
Master's Thesis of Energy Conversion Mechanical Engineering Abstract In recent years, due to the importance of finding energy, global warming and environmental pollution and its production sources, and the growing need of various industries for various forms of energy, as well as the large volume of its consumers around the world, the need to provide models to optimize energy ...
Dissertation for Master's Degree in Mechanical Engineering, Applied Design, Abstract: Microbeams are used as the main element in most sensors and actuators. In some cases, such as micro switches, this member may also be used in an environment containing fluid. Therefore, in this article, we analyzed the dynamic behavior and frequency analysis of a micro beam that is located in a ...
Dissertation or thesis for obtaining a master's degree in the field of industrial engineering with a focus on social-economic systems in September. 2013 Summary of unexpected incidents and medical disasters
Dissertation for M.A. Master's Degree Abstract Objective: Paying attention to social support and mental health and coping skills of addicts during addiction recovery is an important and valuable issue for success in addiction recovery. The general purpose of this research is to determine the social support, coping strategies, and mental health of addicts anonymous and addicts ...
Dissertation for Master's Degree in Electrical Engineering (M.Sc) Abstract The power system stabilizer is added to the excitation system in order to improve the damping of the power system during low frequency disturbances. For large-scale power systems that include a large number of connected generators, setting the power system stabilizer parameters will be a complex and ...
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 ...
Master's Thesis in the field of electrical engineering- control, abstract assessment of the transient stability of power systems using the data of phasor measurement units, quick assessment of security in power networks in emergency situations and the occurrence of various errors, is a vital thing to prevent collapse and create nationwide outages. Therefore, the evaluation ...
Master's Thesis in Executive Management (M.A) Abstract Based on empirical research and proposed theories, marketing includes three basic and important principles: creating value for customers, creating competitive advantage, and focusing on customers' wants and needs. The task of marketing is to create more value for customers than competitors. Tacit knowledge is knowledge that ...
Dissertation for master's degree in the field of electrical engineering, power orientation. Abstract In this thesis, a new method for the optimal location of power plants has been discussed in order to simultaneously optimize the development of production and network. In the considered optimization problem, the goal is to choose the type and capacity of new power plants and the ...
The master's thesis in the field of power. Abstract Control of scattered productions and their planning is one of the important issues of power systems operation. The purpose of this issue is to minimize the cost of operation and pollution and to supply cargo by observing the operation restrictions. The increase in the desire to use renewable resources and the move towards the ...
Dissertation for master's degree in the field: Power Electrical Engineering Abstract Due to the extent and complexity of distribution networks, the probability of an accident occurring in them is very high, and the occurrence of an accident can affect many subscribers. Therefore, reliability is one of the key parameters determining the success rate of the system in providing ...
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 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 ...
Master's Thesis in Computer Engineering (Software) Abstract: Reducing energy consumption in the cloud environment using virtual machine migration Reducing energy consumption is one of the most important issues of the day, especially in the industry sector. In recent years, the ever-increasing human needs for computer systems have caused the creation and expansion of more and ...
Master's Thesis in Computer Engineering (Software) Abstract Development of automatic tools to identify design patterns with refining operations and label correction Design patterns are proven and reliable solutions that have been provided to answer some frequently occurring issues in Shigra software design. Identifying them is understood as recovering the designer's secret plan ...
Master's Thesis in Electrical Engineering (M.Sc) Major: Electronics Abstract: The increase in demand for portable systems has led the electronics industry to pay special attention to power consumption as an important criterion. Adders are important elements in many digital systems. For this reason, various digital collectors have been proposed in the current era, each of which ...
Dissertation for receiving a master's degree, orientation: finance. Abstract In today's era, when the global business environment is rapidly changing and evolving, companies are looking for ways to differentiate themselves from other competitors at the national and international level. In this regard, companies adopt various strategies. It can be acknowledged that one of these ...
Master's thesis (M.sc) Abstract: Nowadays, spam [1] is one of the main problems of search engines, because they make the quality of search results unfavorable. In recent years, there have been many advances in detecting fake pages, but new spamming techniques have also emerged in response. It is necessary to improve anti-spam techniques to overcome these attacks. A common ...
Thesis for obtaining a master's degree (M.A) (Field: Business Management, Major: Domestic Business) Abstract: In today's ultra-competitive world, the secret of survival and success of organizations is to understand the competitive structure of the market. Achieving this understanding requires management's knowledge and understanding of customer's opinions and demands, and ...
Master's Thesis of Electrical Engineering - Power Abstract: Induction motor condition monitoring is an absolutely necessary and important technology to detect various defects at the initial stage. which can prevent the spread of unexpected defects in the initial stages. Approximately 30-40% of induction motor defects are related to stator defects. In this thesis, a comprehensive ...
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 ...
Abstract: In electromyography studies, it is generally accepted to normalize the signals so that they can be compared and interpreted. But due to the lack of a standard method for normalization, there are many differences in the normalization method. These differences are related to the reference signal measurement method. The purpose of this study is to compare the reliability ...
Dissertation for Master's Degree in Physical Education and Sports Science, Sports Physiology, Abstract The purpose of this research was to study the effect of aerobic exercise on some risk factors of coronary artery disease in moderate multiple sclerosis (MS) patients. In this practical study, 15 women (33.68 ± 8.22 years old) with EDSS>4 were randomly divided into control (7 ...
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 ...
Dissertation for receiving a master's degree in electrical engineering, electronics orientation. Chaos theory was founded at the end of the 20th century by Lorentz. Chaos science investigates non-linear systems and their behavior in different conditions. Since the systems around us are mostly non-linear, by creating feedback in them, they may show chaotic behavior, so chaos ...
Abstract This thesis deals with uncertainty estimation in robust control of robotic arms and presents new methods based on voltage control strategy for uncertainty estimation. The voltage control method is much simpler compared to the conventional torque control method, because it does not require a complex non-linear model of the robot. As a result, the volume of controller ...
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 degree thesis in the field of chemical engineering, thermokinetic and catalyst orientation. Abstract The purpose of this research is to estimate the electrical conductivity of natural waters based on modern mathematical methods. To achieve this, the waters of the Karaj and Jajrud rivers are considered as special cases. For this purpose, 20 sampling stations were ...
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 ...
Biomechanics Master's Thesis Abstract Nowadays, open heart surgery has become a very common procedure all over the world. For more than half a century, steel wires were used to close the chest. Now the fixation methods have changed dramatically. By examining the common methods of closing the sternum and taking into account the important parameters in the design of these systems, ...
Thesis of the master's degree in the field: chemical engineering, abstract. In designing the network of heat exchangers, the designer usually considers high operational flexibility in the presented plan. However, some of the changes that occur in the operating conditions of the process after the design, determine the need to modify the existing network. The purpose of the ...
Master's thesis in the field of electrical-power engineering Abstract: The ground system refers to a set of conductors with different structures that are placed in the ground to protect equipment, human safety against electrocution, prevent unwanted overvoltages and damage to HV equipment. The importance of earth resistance is because it plays an important role in protecting the ...
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 ...
Master's Thesis of Polymer Industrial Engineering Abstract Cross-linked polyethylene is one of the materials that is widely used in the field of insulation production in cables due to having suitable electrical properties and good electrical strength. Nowadays, one of the methods of optimizing the properties and changing the behavior of polymers is the use of filler particles ...
Master's Thesis in Mechanical Engineering, Applied Design, Abstract: Microelectromechanical systems are generally classified based on the type of their excitation mechanism. In addition to electrostatic excitation, which is considered as one of the most important excitation mechanisms, thermal excitation is widely used in multi-layered and functionally variable ...
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 ...
Master's thesis in the field of electrical engineering - Power Abstract The importance of the energy issue has increased the need to use new energy sources as a producer of electrical energy. Nowadays, one of the suitable options for providing electric energy are scattered production sources. The use of distributed generation has many positive effects, such as increasing the ...
Master's Thesis in the field of Electrical Engineering - Control Abstract Evaluation of the transient stability of power systems using the data of phasor measurement units by the efforts of Hanieh Mohammadi Rapid evaluation of security in power networks in emergency situations and the occurrence of various errors is a vital thing to prevent collapse and create nationwide ...
Dissertation for Master's Degree in Electrical Engineering (M.Sc) Major: Power System Abstract Stabilizer is added to the excitation system in order to improve the damping of the power system during low frequency disturbances. For large-scale power systems that include a large number of connected generators, adjusting the power system stabilizer parameters will be a complex and ...
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 ...
Doctoral thesis of electrical engineering - Power Abstract Islanding of interconnected power systems, which is also known for isolating and breaking power systems, is the last line of defense to deal with the collapse of the system and prevent catastrophic incidents in the power network. The islanding of interconnected power systems is presented as an extensive control method as ...
Dissertation for Master's Degree in Energy Systems Engineering Abstract Currently in Iran, there are many gas turbines producing electrical energy whose efficiency is around 30% to 40% depending on the environmental and functional conditions, in fact two thirds of this energy from fuel combustion is wasted through exhaust fumes and thermal waste. In order to increase the ...
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 ...
Introduction Flexible Power Transmission Networks (FACTS[1]), is one of the aspects of the electronic revolution that is happening in all fields of electrical energy. The concept of FACTS was first proposed in 1988 by Hingorani. In addition to the advantages of fast and reliable switching, the range of semiconductor power devices provides opportunities to value electrical energy ...
Dissertation for Master's Degree in Electrical-Electronic Engineering (M.Sc) Abstract Sulfur recovery process by Klaus method is one of the most common methods of separating elemental sulfur from acid gas resulting from the sweetening process in gas and oil refineries. But due to the complexity of this process and the multivariable nature of the reaction furnace and the lack of ...
Dissertation for M.Sc. The tendency of the abstract power transmission networks of modern power systems is increasingly changing due to the increase in demand and limitations in the construction of new lines. One of the consequences of such a stressed system is the risk of losing stability after a disturbance. Flexible alternating current transmission systems (facts) are very ...
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 ...
A master's thesis in the field of mechanics, applied design, abstract. These two characteristics are caused by phase transformations under different thermodynamic loadings. Depending on these two mentioned features, memory alloys can be used as actuators in different forms. These structures can be used in different fields such as medicine, aerospace, knowledge
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 ...
Abstract Introduction: Intravenous feeding is considered a preferred and safe method for patients hospitalized in special wards, which despite its many advantages, has complications such as respiratory aspiration. Aspiration pneumonia is responsible for causing 15-20% of hospital infections and 39% increase in costs, and it is also considered one of the ten causes of death in ...
Dissertation for Doctoral Degree Abstract This thesis deals with uncertainty estimation in robust control of robotic arms and presents new methods based on voltage control strategy to estimate uncertainty. The voltage control method is much simpler compared to the conventional torque control method, because it does not require a complex non-linear model of the robot. As a ...
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, ...