trends in emerging technologies in power systems

... amplitudes solving the following nonlinear problem: min N n =1 x(n) − x(n)2. (13) The Prony idea consists of first solving the following set of linear equations to find the damping factors ... con-tiguous time windows in the time observation period Tobs 2 Since in distortion assessment in power systems, the waveforms can be considered to be the sum of sinusoids, the damping factors value ... Hz; therefore, the interharmonic components that are between the bins spaced by 5 Hz primarily spill over into adjacent interharmonic bins and minimally spill into har-monic bins Phase-locked loop

Ngày tải lên: 22/06/2014, 23:20

... 1.2 POWER SYSTEM MODELING This section presents an overview of power system modeling and defines the limits of modeling for the analysis of SSR We are interested here in modeling the power ... detail in the explanations than one generally finds in the technical literature. It is assumed that the user of this book is acquainted with power systems and the general way in which power systems ... the interpretation of the resulting information is described 1.1 DEFINITION OF SSR Subsynchronous resonance (SSR) is a dynamic phenomenon of interest in power systems that have certain special

Ngày tải lên: 14/08/2014, 15:21

... efficient in maintaining the diversity of theswarm [68] (more similar to the ideal social interaction in a community), since all the particles use the tion related to the most successful particle in ... described inSection III Section IV provides an extensive literature survey on the applications of PSO in power systems Some potentialapplications of PSO in power systems, which are not yetexplored in ... technique for solving computational problems, which can be reduced to finding good paths through graphs It is inspired by the behavior of ants in finding paths from the colony to the food In the real

Ngày tải lên: 22/09/2016, 20:24

... Shahidehpour M Contingency-constrained PMU placement in power networks IEEE Trans Power Syst 2010;25(1):516–23 Esmaili M Inclusive multi-objective PMU placement in power systems considering conventional ... during irregular system conditions [2] Hence, an efficient operation of power system increased by having a PMU installed in it In spite of the fact that PMU can improve the monitoring of a power ... estimation Final Proj Report, PSERC; 2005 p 1–6 Gou B Optimal placement of PMUs by integer linear programming IEEE Trans Power Syst 2008;23(3):1525–6 Gou B Generalized integer linear programming formulation

Ngày tải lên: 13/01/2020, 13:43

... Currents in DC Systems 199 16.1 Resistances of Line Sections 201 17 Power Flow Analysis 207 17.1 Systems of Linear Equations 208 17.3.5 Calculation of Node Voltages at Predetermined Node Power 215 ... review of funda-mentals of power systems and short-circuit calculation by using the standards is to obtain a better understanding of the basic complexities involved in a.c systems.The presentation ... ZM The increasing amount of installed capacity in the high-voltage level increasesthe short-circuit power in the networks, whereby higher fault currents arise Eventhe choice of neutral point treatment,

Ngày tải lên: 04/06/2020, 08:35

... calibration methods, we are introducing a methodology for calibrating power systems based on disturbance data from PMUs using machine time-learning algorithms Our main contribution in this thesis is to ... for each element in a precise comparison with the stand-alone testing of individual machines The key idea is to inject PMU measurements into the bus terminal of the power plant during dynamic simulation ... performance in identifying and calibrating bad parameters of a realistic hydropower plant against multiple system events The PMU-based approach using online measurements without interfering with

Ngày tải lên: 26/10/2022, 19:54

... processing vessel and a water ring pump maintains the tank pressure at about 2.5-5 kPa during treatment [3] B Drying application of DIC As mentioned above, convective airflow drying remains the main ... enhancing shelf life to improving food stor-age, from tracing contaminants to introducing antibacterial and health supplements in food, advances in applied nanotechnology play a crucial role in ... used nanoparticles in food packaging [16] The former helps absorbing water molecules in food, acting as a drying agent, while the latter finds its use as a photocatalytic disinfecting agent and as

Ngày tải lên: 14/01/2020, 14:42

... processing vessel and a water ring pump maintains the tank pressure at about 2.5-5 kPa during treatment [3] B Drying application of DIC As mentioned above, convective airflow drying remains the main ... enhancing shelf life to improving food stor-age, from tracing contaminants to introducing antibacterial and health supplements in food, advances in applied nanotechnology play a crucial role in ... used nanoparticles in food packaging [16] The former helps absorbing water molecules in food, acting as a drying agent, while the latter finds its use as a photocatalytic disinfecting agent and as

Ngày tải lên: 27/01/2021, 17:24

... in vivo (e.g using imaging technologies) Examples that frequently are measured using in vivo methods are calcium (in the more than 30 publications studying calcium signaling) and NADPH [35] In ... decade, often published in biotechnology/engineering journals Later, signaling systems became slighty prevalent, reflecting systems of medical relevance in eukaryotic cells Finally, with the whole ... referencing in the text when discussing general trends For recapitulating these trends, we would make reference to Table General developments There is a clear increase in publications that employ systems

Ngày tải lên: 14/02/2014, 14:20

... in the international dimension For instance, banks invest retail deposits in foreign securities, lengthening the intermediation chain by involving markets Or they issue debt in international ... banking v Contents Preface iii Executive summary 1 1. Introduction 3 2. Trends in international banking 4 2.1 Definition of international banking activities 4 2.2 Major trends in the ... banks from emerging market countries may well play an increasingly prominent part in future cross-border consolidation in the financial sector. Second, the role of international banks in the global

Ngày tải lên: 11/06/2014, 14:29

... processingSoftware Hardware RF Finger Finger Finger Finger Finger Finger Spreading and modulation Chip rate (3.84 MHz) Symbol rate (15-960 kHz) Block rate (12.5-500 Hz) Combiner Combiner Combiner ... the table have been determined for a solution using turbo decoding and they do not include chip-level decoding and symbol level combining that further increase the processing needs The requirements ... costs of voice calls will increase even in the future with advanced features 3.2 The effect of preemptive real-time operating systems The dominating scheduling principle used in embedded sys-tems

Ngày tải lên: 22/06/2014, 19:20

... Applied Signal Processing 2003:12, 1219–1228 c  2003 Hindawi Publishing Corporation Modeling Nonlinear Power Amplifiers in OFDM Systems from Subsampled Data: A Comparative Study Using Real Measurements ... born in Vitoria, Spain in 1967. He received his Telecommu- nication Engineer degree and his Ph.D. de- gree in electr ical engineering from the Poly- technic University of Madrid, Spain in 1991 ... interests include nonlinear modeling techniques, adaptive systems, and machine learning theories and their applica- tion to digital communication systems. Jes ´ us Ib ´ a ˜ nez wasborninSantander,Spain

Ngày tải lên: 23/06/2014, 01:20

... of Power Quality Power quality, loosely defined, is the study of powering and ing electronic systems so as to maintain the integrity of the powersupplied to the system IEEE Standard 11598defines ... core and copper windings.6This can result in core heating, windingheating, torque pulsations, and loss of efficiency in these motors.Harmonics can also result in an increase in audible noise ... Consulting, Inc., an engineering consulting firm specializing in power electronics, magnetic design, and analog circuits and systems He is also an adjunct professor of electrical engineering at

Ngày tải lên: 21/08/2014, 12:37

... 4.3.1 Single-Line Diagram of Gold-Copper Mine Power System The single line diagram of Gold-Copper Mine Power System is depicted in the following Figure 4-4 Figure 4-4 Gold-Copper Mine Single-Line ... the Research In the power system industry, power engineers have been using some programming, tools and heuristic approach to find the optimal configuration in operating the power systems and this ... practical power systems which are an industrial park power system and a gold-copper mining power system both located in Indonesia These case studies of real power systems have been performed using

Ngày tải lên: 16/10/2015, 15:39

... pricing options to best meet individual customerneeds (Shahidehpour et al., 2002) 1.3 Uncertainties in a Power System Uncertainties have existed in power systems from the beginning of the powerindustry ... emergingtechniques for power system analysis.With the new initiatives and continuously evolving power industry, nology advances will continue and more emerging techniques will appear., Theemerging technologies ... lead-ing to increasing complexity, interconnectivity, and uncertainties Demandfor electricity has also increased significantly in many countries, whichresulted in increasingly stressed power systems

Ngày tải lên: 26/11/2015, 11:32

... transducers in power systems," Power Systems, IEEE Transactions on, vol 11, pp 788-793, 1996 [24] M Klein, G J Rogers, and P Kundur, "A fundamental study of inter-area oscillations in power systems," Power ... Engineers, Australia, 2005 vi R A Wiltshire, P O'Shea, and G Ledwich, "A Kalman Filtering Approach to Rapidly Detecting Modal Changes in Power Systems," IEEE Transactions on Power Engineering Systems, ... P O'Shea, and G Ledwich, "Monitoring of Individual Modal Damping Changes in Multi-Modal Power Systems," Proceedings of Australasian Universities Power Engineering Conference 2004, ISBN 1-864-99775-3,

Ngày tải lên: 07/08/2017, 15:39

... decommissioning: Targeting emergent technologies for D&D Nuclear Engineering International, pp 26–32 Emerging technologies247 [3] C. Georges, H. Farr, G. Laurent, Leveraging new D&D technologies in ... being used at operating power plants and on construction projects as well as for monitoring infrastructure like bridges These models also allow decommissioning planning to be done in 3D using systems ... plant simplified coordination of disciplines performing work This also resulted in significant time savings in internal and external stakeholder review of drawings and information BIMs enable

Ngày tải lên: 03/01/2018, 17:46

... lecturers in South Africa, who use emerging technologies, say about why they do this 2 Emerging technologies and the South African emerging technologies project The term “emerging technologies” ... lecturers in higher education use emerging technologies in their teaching? From the literature we know that lecturers make use of teaching and learning technologies in response to top-down initiatives, ... with emerging technologies are asserting themselves creatively and claiming a more positive positioning in the challenging landscape of modern higher education Keywords: Adoption; Emerging technologies;

Ngày tải lên: 10/01/2020, 09:39

... in minutes instead of hours, with greater precision More speculative is the coupling of the human thought process to controlling robotic systems The brain–machine interface systems that are in ... operating in these patients with thick abdominal walls The mechanical power provided by the robotic system provides relief to the operating surgeon, eliminating the struggle to maintain instrument ... strong, interdisciplinary teams For the researcher it will be of colleagues in other major fields of science, and for the clinician it will be forging and training a smoothly functioning interdisciplinary

Ngày tải lên: 22/01/2020, 09:34

... GUIDELINES FOR POWER UPRATING 7.1 INTRODUCTION The goal of power uprating is to maximize the output of the plant (by increasing the thermal power or increasing the efficiency/minimizing the ... DRAFTING AND REVIEW 77 Trang 121 INTRODUCTION TO POWER UPRATING1.1 BACKGROUND Increasing plant output is the cheapest source of power when compared to adding new capacity In addition, gaining ... becoming common for power uprating in a plant to be implemented in parallel with other modernization activities in the I&C systems Any modernization project, including a power uprating project,

Ngày tải lên: 07/07/2020, 13:30