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. We created a simple table that breaks down the pros and cons of each of each type of uninterruptible power supply. 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. Analysis and implementation of switch mode power supplies in. Electrical project thesis reports are available electrical. Building a dcdc power supply that works tutorial maxim. In this thesis, two dcdc converters, half bridge and full bridge, are designed.
Reliability of the electric power distribution system for. 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. Power supplies, dcdc converters, redundancy modules, and. In this thesis, we will focus on the two ends of this spectrum.
The controller design and implementation details are given. Switched mode designs a number of different design types are used. 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. 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. Overwhelming strength and power of a group can lead to thoughts and actions that one person alone may not have the power to resist. Linear or switching regulators based power supplies will be proposed and simulated. A thesis submitted to the university of manchester for the degree of doctor of philosophy in the faculty.
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. Pdf design and implementation of uninterruptible power. An agenda for fullblown research in nigeria article pdf available january 2010 with 527 reads how we measure reads. The following electrical project thesis reports are available for you. 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. Our power products supply your applications with leading technology and high quality. Morton for reading the thesis several times through and crificising it in a very constructive way. Todays fpgas tend to operate at lower voltages and higher currents than.
Combined analysis of electricity and heat networks xuezhi liu institute of energy cardiff university a thesis submitted for the degree of doctor of philosophy. 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. 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. 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. Device selection once the initial specs of a dcdc design are selected e. 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. The battery stops to supply the load when its voltage becomes less than 9. Stability improvement of power system using upfc ethesis. The series s8ba is ideal for countermeasures for instantaneous voltage drop and power interruptions. Enhancing power and signal integrity in threedimensional. Pdf power supply and environmental sustainability in the. High efficiency power supply using new sic devices uni kassel. Power supply and environmental sustainability in the university of uyo. This is achieved by the use of integrated circuits that have timing abilities and relays to effect switching.
Technical explanation for uninterruptible power supplies upss introduction what is a uninterruptible power supply ups. Most of this equipment requires not only dc voltage but voltage that is also well. Very similar to a waiting ups is the corrective ups, except that. Modelling and optimisation of renewable energy systems. It develops an algorithm for determining an optimal structure of power supply system taking into account technical, economic, environmental and social aspects. The device equipped with a waiting ups unit filters power and loads it, thus charging batteries. Design of a dcdc buck converter for ultralow power. Switch mode power supplies smps use higher switching frequencies.
The dynamics of electric power system are complex even at smaller. This thesis focuses on the different methods of feedback control loop which are. Problems associated with power supplies power supply voltage uncertainty. Please recommend me sth which is mainstream or very usefull in world or europe for these topics above mentioned. Engineering thesis topics in power electronics and applications. Uninterruptible power supply ups european commission. This article fills in information gaps for a first dcdc power supply design. 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. An149 modeling and loop compensation design of switching.
Uninterruptible power supply research papers academia. It is the result of the authors failures and successes with scores of power supply circuits. A welldesigned switching mode power supply smps must be quiet, both electrically and acoustically. Power electronics thesis pdf control design for electronic power converters.
Kim allan andersen a phd thesis submitted to the school of business and social sciences, aarhus university, in partial ful. Design and construction of an automatic power changeover switch. 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. Dec 21, 2015 the main feature of this power supply is, when no load is there it automatically switches off. The thesis focuses on the equipment for uninterruptible power supply hereinafter referred to as ups and defines their security component. A switchedmode power supply is an electronic power supply that incorporates a switching regulator to convert electrical power efficiently. This year i will have to take theme for msc thesis in power electronics or power supply in telecomunications maybe ac drives. It is a circuit which mainly act as a protector circuit and achieved through an arrangement of transistors and relay. Switch mode power supplies, digital control, dcdc power converters v. The upfc is a solidstate device, which can be used to control the active and reactive power. Also at just 800g this ups can be installed in the panel mounted on din railing.
Index terms uninterruptible power supply ups, batterys. Analysis of the output impedance from switched dcdc converters. 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. 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. Offlinestandby ups is the most basic, and they are good for applications like home computers, printers, or scanners. Modelling and optimisation of renewable energy systems by jeanne andersen supervisor.
Technical explanation for uninterruptible power supplies. In the method voltage control loop is employed in the stationary dq frame. 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. Introduction to power supplies introduction virtually every piece of electronic equipment, e. Optimization and control of power flow in distribution networks.
Wherever external contribution and other sources were implied, every attempt was made to emphasise this clearly by indicating references to the literature. Proposed solutions to power ow control problems in the literature range from fully centralized to fully local ones. Power supply solutions for modern fpgas master thesis. Suppose a power supply is energized by an ac source of 119 v rms. Read terrorism and the electric power delivery system at. However in case of smps with input supply drawn from the ac mains, the input voltage is first rectified and filtered using a. Chapter 2 gives a quick insight into the concept of. The diploma thesis focuses on the development of approaches to designing hybrid power systems for the needs of decentralized power supply.
Introduction to switchedmode power supply smps circuits. The pcc enables maximum power extraction from a piezoelectric mpg. View uninterruptible power supply research papers on academia. 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. Graduate thesis or dissertation novel power conditioning. This thesis considers a typical three machine ninebus system as a case study for investigating the performance of upfc is achieving stability. It carefully describes the three most widely used ups units.