Switch mode power supplies, digital control, dcdc power converters v. New silicon carbide sic power devices and their usage in the switch mode power supply smps circuits is the subject of this thesis, how to fully exploit. Offlinestandby ups is the most basic, and they are good for applications like home computers, printers, or scanners. Major factors that drop the efficiency of the noncontact power supply system are the loss caused by the onresistance of the power converter to generate power for transmission and the copper loss in the power transmissionreception coils. Analysis and implementation of switch mode power supplies in. New proposal of dual power supply source for rural stand alone solar photovoltaic home electrification system in malaysia conference paper pdf available november 2014 with 1,425 reads. Building a dcdc power supply that works tutorial maxim. Switch mode power supplies smps use higher switching frequencies. I, sebastian giglmayr, hereby declare on oath that this masters thesis is a presentation of my original research work and that it has not been submitted anywhere for any award. Power supply solutions for modern fpgas master thesis. Enhancing power and signal integrity in threedimensional integrated circuits by hailang wang doctor of philosophy in electrical engineering stony brook university 2016 threedimensional 3d integration has emerged as an enabling technology for integrated circuits ics in the interconnectcentric design era, where the intercon. The dynamics of electric power system are complex even at smaller. Combined analysis of electricity and heat networks xuezhi liu institute of energy cardiff university a thesis submitted for the degree of doctor of philosophy. The upfc is a solidstate device, which can be used to control the active and reactive power.
A switchedmode power supply is an electronic power supply that incorporates a switching regulator to convert electrical power efficiently. Switched mode designs a number of different design types are used. Introduction to switchedmode power supply smps circuits. Technical explanation for uninterruptible power supplies. Pdf power supply and environmental sustainability in the. Suppose a power supply is energized by an ac source of 119 v rms. Very similar to a waiting ups is the corrective ups, except that. Intrinsically safe is active power supplies subjected to certain transient load conditions can deliver power to a circuit at significantly higher levels than indicated on their nameplate ratings.
During a transient load such as an intermittent shortcircuit, energy is transferred from the power supply to the shortcircuit and an. Most of this equipment requires not only dc voltage but voltage that is also well. Optimization and control of power flow in distribution networks. Overwhelming strength and power of a group can lead to thoughts and actions that one person alone may not have the power to resist. Smartups 750150022003000 va 120230 vac tower rackmount 2u 1 important safety messages save these instructions this manual contains important instructions that should be followed during. Introduction to power supplies introduction virtually every piece of electronic equipment, e. The objective of this research is to design a power conditioning circuit pcc for use in conjunction with low voltage microelectromechanical systems memsbased palouse piezoelectric power p3 micro heat engine power generation systems. Modelling and optimisation of renewable energy systems by jeanne andersen supervisor. Our power products supply your applications with leading technology and high quality.
Todays fpgas tend to operate at lower voltages and higher currents than. This thesis focuses on the different methods of feedback control loop which are. Index terms uninterruptible power supply ups, batterys. We created a simple table that breaks down the pros and cons of each of each type of uninterruptible power supply. Design and construction of an automatic power changeover switch. Please recommend me sth which is mainstream or very usefull in world or europe for these topics above mentioned. Constant current power supply a regulated power supply that acts to maintain its output current constant in spite of changes in load, line, temperature, etc. View uninterruptible power supply research papers on academia. The output voltage rating of a power supply operating in the constant current mode analogous to the output current rating of a supply operating in the constant voltage mode. Design of a dcdc buck converter for ultralow power. Uninterruptible power supply ups european commission. It develops an algorithm for determining an optimal structure of power supply system taking into account technical, economic, environmental and social aspects.
This is achieved by the use of integrated circuits that have timing abilities and relays to effect switching. In the rst half of this thesis chapters 2 and 3, we seek optimal solutions to voltage control problems provided a centralized architecture with complete information. Read terrorism and the electric power delivery system at. The controller design and implementation details are given. Also at just 800g this ups can be installed in the panel mounted on din railing. The following electrical project thesis reports are available for you. An agenda for fullblown research in nigeria article pdf available january 2010 with 527 reads how we measure reads. It is a circuit which mainly act as a protector circuit and achieved through an arrangement of transistors and relay. The main advantage of this added complexity is that switched mode operation gives regulated dc supplies that can deliver more power for a given size, cost and weight of power unit. A thesis submitted to the university of manchester for the degree of doctor of philosophy in the faculty. Stability improvement of power system using upfc ethesis.
The device equipped with a waiting ups unit filters power and loads it, thus charging batteries. Analysis of the output impedance from switched dcdc converters. The thesis focuses on the equipment for uninterruptible power supply hereinafter referred to as ups and defines their security component. Device selection once the initial specs of a dcdc design are selected e. In the method voltage control loop is employed in the stationary dq frame. In this thesis, we will focus on the two ends of this spectrum. Analysis of the output impedance from switched dcdc converters development of a new measurement method using a programmable load gustav hansson marcus uussalu department of energy and environment division of electric power engineering chalmers university of technology goteborg, sweden 2014. The diploma thesis focuses on the development of approaches to designing hybrid power systems for the needs of decentralized power supply. A welldesigned switching mode power supply smps must be quiet, both electrically and acoustically. The battery stops to supply the load when its voltage becomes less than 9. However in case of smps with input supply drawn from the ac mains, the input voltage is first rectified and filtered using a. Uninterruptible power supply research papers academia.
The series s8ba is ideal for countermeasures for instantaneous voltage drop and power interruptions. Pdf design and implementation of uninterruptible power. Graduate thesis or dissertation novel power conditioning. Product environmental footprint category rules uninterruptible power supply ups 5 1 introduction the product environmental footprint pef guide1 developed by the european commission provides detailed and comprehensive technical guidance on how to conduct a pef study. Power supply and environmental sustainability in the university of uyo. Terrorism and the electric power delivery system focuses on measures that could make the power delivery system less vulnerable to attacks, restore power faster after an attack, and make critical services less vulnerable while the delivery of conventional electric power has been disrupted.
In this thesis, two dcdc converters, half bridge and full bridge, are designed. Enhancing power and signal integrity in threedimensional. Kim allan andersen a phd thesis submitted to the school of business and social sciences, aarhus university, in partial ful. Wherever external contribution and other sources were implied, every attempt was made to emphasise this clearly by indicating references to the literature. Electrical project thesis reports are available electrical. Phd thesis is divided into seven chapters in which the electric power losses in the distribution networks were determined and schemes and methods to reduce these losses have been also proposed. Chapter 2 gives a quick insight into the concept of. The usage and working principle of ups based on oil and gas industry. Problems associated with power supplies power supply voltage uncertainty. This year i will have to take theme for msc thesis in power electronics or power supply in telecomunications maybe ac drives. Pdf new proposal of dual power supply source for rural. Technical explanation for uninterruptible power supplies upss introduction what is a uninterruptible power supply ups. High efficiency power supply using new sic devices uni kassel.
Power supplies, dcdc converters, redundancy modules, and. It is the result of the authors failures and successes with scores of power supply circuits. The controller eliminates the periodic errors on the output voltages due to inverter voltage nonlinearity and load disturbances. A ups, or a uninterruptible power supply, is a device used to ba ckup a power supply to prevent devices and systems from power supply problems, such as a power failure or lightning strikes. The pcc enables maximum power extraction from a piezoelectric mpg. Modelling and optimisation of renewable energy systems. This article fills in information gaps for a first dcdc power supply design. Linear or switching regulators based power supplies will be proposed and simulated. Morton for reading the thesis several times through and crificising it in a very constructive way. Proposed solutions to power ow control problems in the literature range from fully centralized to fully local ones.