for power quality enhancement in electric power distribution systems

... stored in two arrays, one for buses and one for lines Each element in the bus array contains a field specifying the incoming line and a field containing a list of the outgoing lines In the line ... accounted for by constraining line currents, line flows, and bus voltages to lie within appropriate bounds These operational constraints are inequality constraints which can be included in G( x, ... Science degree in Electrical Engineering from Drexel University in June 1989 In August of the same year he began graduate studies in Electrical Engineering at Cornell University in Ithaca, NY...

Ngày tải lên: 22/09/2016, 20:27

... translation as three separate kinds: intralingual, interlingual and intersemiotic, with the second kind corresponding to others’ definition of translation In terms of linguistic meaning, Jakobson takes ... words in a distinctly strange order, as in the provisions for termination hereinafter appearing or will at the cost of the borrower forthwith comply with the same * Post-modifications in nominal ... Global Distribution of Legal Systems Page The schema for analyzing and comparing original and translation texts Page 30 INTRODUCTION Rationale for the study Globalization and integration is an inevitable...

Ngày tải lên: 07/11/2012, 14:36

... ft and over 5 6 7 8 ft ft ft ft ft ft ft ft 6 0 in ft in ft in ft in ft in ft in ft in ft in ft Special Setting Specified in in in in in in in in ———————————————————————————————— However, if ... spacing on a standard sixpin arm is 14-1/2 inches, with 30 inches between the first pins on either side of 32 Electrical Power Distribution Systems Figure 2-13 Pin spacing shown for six-pin arms ... easily in handling or during installation Polymer insulators are not so restricted and have the advantage also of being lighter in weight than porcelain or glass Pin-Type Insulators Insulators, in...

Ngày tải lên: 03/07/2014, 16:09

... comprehensive indicators are preferable [4] For example, during quality improvement (QI) projects involving multiple process and/or outcome measures within multiple clinical domains, efforts to improve quality ... Mammogram Td vaccine Flu vaccine Pneumococcal vaccine Hep A vaccines (n> = 2) Chlamydia screening Depression screening Alcohol screening Alcohol counseling Tobacco counseling Diagnosing HTN Blood ... Using a composite measure may also be quite useful within QI projects involving multiple process and/or outcome measures within multiple clinical domains Because efforts to improve quality in...

Ngày tải lên: 11/08/2014, 05:22

... pertaining to preventive maintenance and inspection, which are two important strategies for improving performance of manufacturing systems 2.2 Performance Measures of Manufacturing Systems The increasing ... manufacturing system is also investigated in this thesis An algorithm is formulated for determining the placement of inspection machines in such a system With the inspection allocation scheme indicated ... modeling framework for performance analysis of multistage manufacturing systems This modeling framework characterizes the uncertain properties of manufacturing systems that undermine system performance,...

Ngày tải lên: 11/09/2015, 09:16

... Editor for the special issues on Emerging Signal Processing Techniques for Power Quality Applications and on Advanced Signal Processing and Computational Intelligence Techniques for Power Line Communications ... University of Juiz de Fora (UFJF), Juiz de Fora, Brazil, in 1999, and the M.S and Ph.D degrees in electrical engineering from the University of Campinas (UNICAMP), Campinas, Brazil, in 2001 and 2005, ... on Power Line Communications Cristiano Augusto G Marques was born in Juiz de Fora, Brazil, in 1979 He received the B.S degree in electrical engineering from the Federal University of Juiz de Fora...

Ngày tải lên: 22/06/2014, 20:20

... Symposium (mailed in March) for 1982 Proceedings International Reliability Physics Symposium (mailed in the summer) Proceedings QIE) (Quality In Electronics) for 1982 Proceedings Product Liability ... of the Reliability Proceedings Annual Reliability and Maintainability Society Symposium for 1982 & 1983 Proceedings Annual Reliability and Maintainability Proceedings International Reliability ... Carnegie-Mellon University studying cause and effect models for engineering processes He received his SB and SM in Chemical Engineer- Company Dr Steven A Lapp; Design Sciences, Inc.; RD Chestnut Road;...

Ngày tải lên: 03/01/2014, 19:37

... any electric power engineer to improve power distribution reliability performance Thus, Electric Power Distribution Reliability fits particularly well into the theme of the Power Engineering ... G Paithankar Electrical Insulation in Power Systems, N H Malik, A A Al-Arainy, and M I Qureshi Electrical Power Equipment Maintenance and Testing, Paul Gill Protective Relaying: Principles and ... years of effort in various aspects of electric power distribution reliability I would like to thank the following people for teaching, collaborating, and supporting me during this time In the academic...

Ngày tải lên: 23/03/2014, 09:21

... available power system optimization packages contain powerful linear programming algorithms for solving power system problems for both planning and operating engineers Linear programming has extensions ... objectives function for ED and UCP Studying the system and unit constraints Proposing rules for generating solutions Generating an initial solution Explaining an algorithm for the economic dispatch ... the performance of these algorithms are studied in this book This book is useful for B Sc senior students in the electrical engineering discipline, MS and PhD students in the same discipline all...

Ngày tải lên: 30/03/2014, 07:20

... of interesting and important challenging issues in PQ The discussed issues can dramatically increase the value of power quality monitoring systems and provide the basis for ongoing research into ... developed so far However, understanding transients and associating them with the underlying events in electrical power systems remain an open issue in power quality field We have accepted three ... of distorted waveforms in power systems, ” by Carpinelli et al The authors stated one of the primary problem in waveform distortion assessment in power systems which is to examine ways to reduce...

Ngày tải lên: 22/06/2014, 19:20

... Security Contraints Active Power G1 Umax Voltage Active Power U Umin Min Max Fmax Reactive Power Frequency Fn Reactive Power Demand Fmin Min Gn Generation Indices of Power Quality Fig Optimal power flow ... different power quality requirements will be examined and some design solutions allowing to improve the performances of this systems will be presented In the following the main concepts of Power Quality ... widely in the electricity market Wind power industry has been developing rapidly, and high penetration of wind power into grid is taking place, (Bent, 2006), (Mahdad.b et al., 2011) According to...

Ngày tải lên: 26/06/2014, 23:20

... to copying for general distribution, for promotion, for creating new works, or for resale Specific permission must be obtained in writing from CRC Press LLC for such copying Direct all inquiries ... transformer size (1 ph) Copyright © 2000 Electric Power Research Institute 1000419 Engineering Guide for Integration of Distributed Generation and Storage Into Power Distribution Systems Reprinted ... discussed For more information on distribution planning, see Willis’s Power Distribution Planning Reference Book (1997), IEEE’s Power Distribution Planning tutorial (1992), and the CEA Distribution...

Ngày tải lên: 28/06/2014, 14:20

... applications in optimization strategies of Reliability Based Maintenance (RCM) for Electrical Distribution Systems (EDS) These are performed in order to reduce the life-cycle cost of the electrical installations ... drawbacks of the increasing number of renewable energy sources on the power- supply stability and quality, both in grid connected Electrical Generation and Distribution Systems and Power Quality Disturbances ... concepts of power quality regulation in grid connected systems can be used also for standalone systems and as general guidelines, a power quality level close to the one guaranteed for loads fed...

Ngày tải lên: 12/08/2014, 05:20

... key technologies for reliable and safety grid interconnection operation of PV systems [14-15] An inverter being a power 54 Electrical Generation and Distribution Systems and Power Quality Disturbances ... models In order to build models for nonlinear devices without prior information, system identification methods are exposed [33-34] In the method reported in this paper, specific information of inverter ... Hammerstein-Wiener model is recognized as being the most effective for modeling complex nonlinear systems such PV based inverters [44] In this paper, real operating conditions weather input variation,...

Ngày tải lên: 12/08/2014, 05:20

... Monitoring Electric Power Quality Model Prediction Electrical input signal Voltage/current waveform Electrical value calculation Proposed Modeling Power Quality analysis RMS, Peak, Power quality ... Identification for Power Quality Analysis 73 Applications: Power quality problem analysis A power quality analysis from the model follows the Standard IEEE 1159 Recommend Practice for Monitoring Electric Power ... practice for monitoring electric power quality 4 Reliability Centered Maintenance Optimization of Electric Distribution Systems Dorin Sarchiz1, Mircea Dulau1, Daniel Bucur1 and Ovidiu Georgescu2 2Electrica...

Ngày tải lên: 12/08/2014, 05:20

... Expert system for Maintenance Actions in Transmission and Distribution Networks, In: Proceedings of the 3rd International 112 Electrical Generation and Distribution Systems and Power Quality Disturbances ... can be eliminated by using resonant DC link Inductor 126 Electrical Generation and Distribution Systems and Power Quality Disturbances which smoothness the current flowing in DC link capacitor ... interface for planning preventive maintenance for OEL or for its components, for a determined period and in the required technical and economic conditions, presented in Figure 21 Fig 21 Interface for...

Ngày tải lên: 12/08/2014, 05:20

... Power Quality and Voltage Sag Indices in Electrical Power Systems Alexis Polycarpou Frederick University Cyprus Introduction In modern electrical power systems, electricity is produced at generating ... network, and finally distributed to consumers Due to the rapid increase in power demand, electric power systems have developed extensively during the 20th century, resulting in today’s power industry ... electronic systems with a heating time constant of less than 600 ms b Varistors and power electronics with a 2-min heating time constant Power Quality and Voltage Sag Indices in Electrical Power Systems...

Ngày tải lên: 12/08/2014, 05:20

... loading with the fifth motor being 157 Power Quality and Voltage Sag Indices in Electrical Power Systems switched in while the previous four are in steady state operation The Combined Voltage Index ... experiencing instantaneous voltage deviations with magnitudes above x% For x>100 or below x% for x

Ngày tải lên: 12/08/2014, 05:20

... strategy for understanding power quality based FACTS technology using an interactive graphical user interface (GUI) Basic principles of power flow control To facilitate the understanding of the ... controlled in coordinated manner, or a unified power flow with series and shunt elements 216 Electrical Generation and Distribution Systems and Power Quality Disturbances In Fig 14 combined shunt ... parameters input data window 224 Electrical Generation and Distribution Systems and Power Quality Disturbances Simulation test and results using SimFACTS The FACTS models integrated in the proposed...

Ngày tải lên: 12/08/2014, 05:20