... students and covers the most important topics in the industry The authors of these cutting-edge books are themselves industry professionals and academics and bring their wealth of knowledge and expertise ... analyzing the supply of the product, but analysis of demand relies on the product’s differentiating characteristics and the customers’ needs and wants 31 C is correct The corporate profile would provide ... (Volume of advancing issues/Volume of declining issues) 17 C is correct Bollinger Bands consist of a moving average and a higher line representing the moving average plus a set number of standard
Ngày tải lên: 10/09/2020, 17:32
... the operation of each load separately 4.2 Correlation of changes in the flicker severity P st and/or changes in the active and reactive power The method consists in the analysis of mutual correlation ... example of changes in the flicker severity and the active and reactive power ― phase L1 (diagram in (a)) Trang 44.1 Criterion of voltage fluctuations during a fluctuating load operation and after ... power Q (and also the active power P, particularly for low-voltage networks) and the flicker severity value P st It allows define the dominant source of disturbance and assess the influence of a
Ngày tải lên: 19/06/2014, 11:20
Power Quality Monitoring Analysis and Enhancement Part 10 pot
... is 0.3 and the IWDR is 57.6% during the disturbance occurred The steady values of IRMS and IWDR are 0.707 and 0 There are also two peaks in the IHDR and IAF corresponding to the start and end ... Mitigation of Disturbances Trang 8a result of asymmetrical spatial positioning of the conductors Also the total length of the conductors on the phases of a network may be different This asymmetry of ... 0.153s Tab.2 provides the transient peak values and steady values of the four indices The peak value of IRMS is 0.722 at 0.153s and the peak value of IWDR is 20.1% at the same time that is almost
Ngày tải lên: 19/06/2014, 11:20
Power Quality Monitoring Analysis and Enhancement Part 11 ppt
... of studying the influence of decay of clusters and Si−C-bonds on the formation of tetrahedral oriented Si-C-bonds. Basing on the analysis one can suggest possible mechanisms of formation of ... nature of carbon and carbon-silicon clusters in these layers with a high concentration of carbon. Analysis of the behavior of the curves in Fig. 26 (curves 4, 5 and 6) shows that the curves of ... return of the minimum to 800 cm -1 at temperatures of 1100−1400°C may be caused by incorporation of carbon atoms into the nanocrystals of SiC and the growth of their size up to 3.5-5 nm and higher.
Ngày tải lên: 19/06/2014, 11:20
Power Quality Monitoring Analysis and Enhancement Part 12 pot
... standard (5%) a) b) Fig 19 The voltage sag compensation of the load No 2 276 Power Quality – Monitoring, Analysis and Enhancement Fig 20 Compensation of the phase and magnitude of ... the proper values of ma and ϕinv be calculated and applied to the inverter If the phasor voltage of the R-L load 2 274 Power Quality – Monitoring, Analysis and Enhancement (resulting ... the active and reactive load powers of phase p at bus m, p p respectively Pk and Qk , which are given by (3) and (4), are the sum of the active and reactive power flows of phase p at
Ngày tải lên: 19/06/2014, 11:20
Power Quality Monitoring Analysis and Enhancement Part 13 potx
... Optimal location and sizing of shunt controllers results in lower power loss, better voltage profiles and improvement power quality Figs 16-17-18 show the voltage profiles of phase ‘b’, and phase ‘c’ ... operation and control), related to the integration of multi type of FACTS Controllers in unbalanced distribution systems - Optimal location and control of three phase FACTS Controllers with the standard ... expertise and observations made and it can be either linear or non-linear The basic mechanism search of fuzzy logic controller is illustrated in Fig 5 It choice is critical for the performance of
Ngày tải lên: 19/06/2014, 11:20
Power Quality Monitoring Analysis and Enhancement Part 14 pptx
... Compensation of unbalanced Voltages Swells (50V/div), and c) an injection Voltages of unbalanced voltage swells (50V/div) [...]... IEC and IEEE Standards and Application Criteria, Proceedings of ... Monitoring, Analysis and Enhancement accurately reproduced by means of a time-domain simulation tool, and using a stochastic prediction to incorporate the random nature of voltage sag ... – analysis and calculation of N hlth_ b by (10) and (11) & lossb by by (3) of N hlth by (10) and (11), F Floss_b (3) Graph Theory Switching action Short path determination by (8) and
Ngày tải lên: 19/06/2014, 11:20
Power Quality Monitoring Analysis and Enhancement Part 15 pptx
... Reconfiguration 337 5.1 Determination of weak area Fault analysis simulations were done for all the buses of voltage level of 11kV and below except the main substations and the buses that are supplied ... electrical distance of the path of fault current between the main source and the fault location (bus 22) Table 1 shows the system status before and after reconfiguration where the group of open switches ... Fig 20 The results of Fig 20 can be compared with the results of Fig 15 to prove the effect of network reconfiguration on voltage profile improvement Fig 19 Voltage magnitudes of system buses at
Ngày tải lên: 19/06/2014, 11:20
Principles of Network and System Administration 2nd phần 2 doc
... encapsulation and it is impor-tant to understand the basics of these mechanisms Network attacks make cleveruse of the features and flaws in these protocols and system administrators need to understand ... system at hand The aim of this chapter is to learn how to navigate network systems usingstandard tools, and place each piece of the puzzle into the context of the whole 3.1 Communities and enterprises ... previousexperiences of others in order to find a ‘best choice’ and then standardize to alarge degree PC hardware is often a melange of random parts from different manufacturers.Much work can be saved by standardizing
Ngày tải lên: 13/08/2014, 22:21
Principles of Network and System Administration 2nd phần 3 pptx
... kind of cloning... afford off-the-shelf software for Unix There are therefore two kinds of software installation: the installation of software from binaries and the installation of software ... sub-categories • GNU software, written by and for the Free Software Foundation, forms a self-contained set of tools which replace many of the older Unix equivalents, like ls and cp GNU software has ... replacements for standard operating system components often break the principle of separation.a a Software originating in BSD Unix is often an offender, since it is designed to be a part of BSD Unix,
Ngày tải lên: 13/08/2014, 22:21
Principles of Network and System Administration 2nd phần 4 potx
... (CLI) • Date and time of connection of client to server • IP address of sending computer Trang 55.9 ETHICAL CONDUCT OF ADMINISTRATORS AND USERS 185• Date and time of connection of client to server ... dismissal and legal action. 2 The network For the purpose of this policy, we define ‘the network’ to mean the companycomputer and telephone network, including all of its hardware and software.The use of ... One example of this is the introduction of mobile devices and humans Mobility and partial connectivity of hosts and users is an increasingly important issue in system administration and it needs
Ngày tải lên: 13/08/2014, 22:21
Tài liệu General Principles of Constitutional and Administrative Law Fourth Edition ppt
... Rule of Law and the Separation of Powers 5.1 Introduction: The Nature and Purpose of the Rule of Law 5.2 The Core Meaning of the Rule of Law 5.3 The Extended Rule of Law 5.4 Dicey’s Version of ... DISTRIBUTION OF POWER Federalism and Devolution 7.1 Introduction: Federal and Devolved Government 7.2 Scotland 7.3 Northern Ireland 7.4 Wales 7.5 The Channel Islands and the Isle of Man 7.6 British ... aims of this edition remain the same as those of previous editions: namely, to explain and discuss critically the general principles of the constitutional law and administrative law of the UK and...
Ngày tải lên: 18/02/2014, 05:20
Tài liệu The Fundamental Principles of Old and New World Civilizations docx
... myths and legends of many and different races Not only the Aztecs, but the Mayas of Yucatan and the Kiches and Cakchiquels of Guatemala, bewailed in woful songs, the loss of that beautiful land and ... creatures of the god by whom we live; the god of day, of the night and of the winds Go and be the lord of the water and land owned by the Mexicans." As it is subsequently stated that Acamapichtli and ... the idea of the Male and Female principles, but also with the The Fundamental Principles of Old and New by Zelia Nuttall 26 Above and the Below, or Heaven (air and water) and Earth (earth and fire)...
Ngày tải lên: 21/02/2014, 11:20
A SYSTEM OF LOGIC, RATIOCINATIVE AND INDUCTIVE, BEING A CONNECTED VIEW OF THE PRINCIPLES OF EVIDENCE, AND THE METHODS OF SCIENTIFIC INVESTIGATION pdf
... XII Of The Explanation Of Laws Of Nature Chapter XIII Miscellaneous Examples Of The Explanation Of Laws Of Nature Chapter XIV Of The Limits To The Explanation Of Laws Of Nature; And Of Hypotheses ... partisans of Hartley and of Reid, of Locke and of Kant, may meet and join hands Particular and detached opinions of all these thinkers will no doubt occasionally be controverted, since all of them ... Effects; And Of The Continued Action Of Causes Chapter XXV Of The Grounds Of Disbelief Book IV Of Operations Subsidiary To Induction Chapter I Of Observation And Description Chapter II Of Abstraction,...
Ngày tải lên: 06/03/2014, 13:20
Principles of lasers and optics w chang
... Kirchhoff’s integral in engineering analysis 1.3.5 Fresnel and Fraunhofer diffraction 1.4 Applications of the analysis of TEM waves 1.4.1 Far field diffraction pattern of an aperture 1.4.2 Fraunhofer ... attest to the accuracy and integrity of this document Date: 2005.05.26 06:25:09 +08'00' This page intentionally left blank PRINCIPLES OF LASERS AND OPTICS Principles of Lasers and Optics describes ... impulse integral of the product of the U(x, y, 0) and a unit step function of x and y representing , with limits of integration at ∞ In Sections 1.4 and 1.5, we will discuss some examples of these techniques...
Ngày tải lên: 17/03/2014, 14:28
Craniosynostoses Molecular Genetics, Principles of Diagnosis, and Treatment ppt
... expression patterns of the IIIb and IIIc isoforms of each of these receptors [42] In many areas of the embryo the IIIb and IIIc FGF receptor isoforms are associated with epithelial and mesenchymal ... acrocephaly and syndactyly of the hands and feet [11] (On a related but unfortunate side note, Apert was a vocal proponent of eugenics and euthanasia, and in fact was a founding member and later ... Chapter 5, Andrew Beenken and Moosa Mohammadi address the molecular mechanisms of FGFR activation in craniosynostosis and in some of the skeletal dysplasias, and discuss ligand-independent gain -of- function...
Ngày tải lên: 28/03/2014, 22:20
Principles of Addictions and the Law ppt
... status and not a crime Principles of Addictions and the Law is a book for mental health professionals, health practitioners, and legal professionals wanting to better understand how the science of ... 35% of convicted offenders were under the influence of alcohol at the time of their offense An additional significant proportion of offenders were using other drugs at the time of their offense ... 1983) ADOLESCENTS AND JUVENILE COURT AND ADDICTIONS Prevalence of Alcohol and Drug Use and Disorders in Juvenile Populations The onset of alcohol and drug use and disorders is often during the...
Ngày tải lên: 30/03/2014, 09:20
principles of network and system administration
... Principles of Network and System Administration Second Edition Mark Burgess Oslo University College, Norway Principles of Network and System Administration Second Edition Principles of Network ... remain calm and attentive, and learn a dozen new things a year Computing systems require the very best of organizational skills and the most professional of attitudes To start down the road of system ... guise of Windows 2000 and XP, which adopt many of the successful features of the Novell system, such as consistent directory services Later versions of Windows NT and Windows 2000 (a security and...
Ngày tải lên: 03/06/2014, 01:29
the principles of light and color by edwin d babbitt (1878)
... color of the leaf and the size and direction of the fibres and texture are a constant source of diversity Trees afford a remarkable diversity of direction size and color of their branches and sub-branches, ... lessons taught Thus does every sun, and planet, and star, and leaf, and flower, and tree, and rainbow, and crystal, and all other unimpeded formations and growths of the whole universe, everlastingly ... is a celebrated seat of learning It shows a variety of contrasts of height, of direction, of size, of light and shadow, as well as various gradations of size and direction, and an admirable analogical...
Ngày tải lên: 04/06/2014, 12:35
scanning probe microscopies beyond imaging. manipulation of molecules and nanostructures, 2006, p.559
... observed, 1.2 Chirality and STM: From 0D to 2D Fig 1.16 Monolayer image and model of (S)ISA (A and C) and (R)-ISA (B and D) DL1 and DL2 indicate lamellae composed of ISA and 1-octanol molecules, ... University of Twente MESAþ Institute for Nanotechnology and Faculty of Science and Technology Department of Materials Science and Technology of Polymers 7500 AE Enschede The Netherlands Pascal ... Laboratory of Biophysics and Surface Analysis School of Pharmacy University of Nottingham Nottingham NG7 2RD UK Shan Zou MESAþ Institute for Nanotechnology and Materials Science and Technology of Polymers...
Ngày tải lên: 04/06/2014, 14:41
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