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Dr. Hedaya Mahmood Alasooly Control of Flexible Alternating Current Transmission System (FACTS) for Power Stability Enhancement

Technik
Englisch
30086 Wörter
Keine Altersempfehlung
69
0

The thesis will try to summarise the major power system problems and the important role of the FACTS devices to enhance the power system quality. Then, it will give a brief description for various FACTS and Active Filters controllers as mentioned on the existing publications. Most of the control schemes introduced in the existing papers were designed either for eliminating current harmonics or eliminating voltage flickers or for load flow control. So, this work is devoted to find a proper optimal control schemes for a system with series or shunt or series and shunt converters that can provide all functions together. Various optimal control schemes will be designed for systems with series, shunt and series-shunt converters with the objective to control the load flow through a lines and to eliminate current harmonics and voltage flickers with different strategies for tracking. Chapter 1: Gives a general description of most power system problems and the basic techniques used to improve the power system quality. It also gives idea about basic objectives from the FACTS devices. Chapter 2: Offers detailed description for the basic types of FACTS devices and active filters existing in power industry. Chapter 3: Describes various shunt controllers for control of the Static Compensator (STATCOM) and various series controllers for the control of the Static Synchronous Series Compensator (SSSC) and various Unified Power Flow Controllers (UPFC) as covered in most existing papers. Chapter 4: Describes the major control schemes for the shunt active filter as covered by most existing papers. Chapter 5: Describes the major control schemes for the other types of active filters as covered by most existing papers. Chapter 6: Gives description for optimal control design. Chapter 7: Case studies to design different optimal control schemes for system with UPFC unit to control the power flow, eliminate voltage flicker and eliminate current harmonics. The case studies were repeated for system with only series or shunt converters. [mehr]

Stichwörter: FACTS Devices, Power Quality, Power Reliability, Active Filters, Optimal Control, Suboptimal Control, Current Harmonics, Load Flow, Power Stability, Voltage Flicker, UPFC, Shunt Converter, Series Converter, PhD Thesis

21,99 US$

Dr. Hedaya Mahmood Alasooly Case Studies for Optimal Control Schemes of Power System with FACTS Devices and Power Fault Analysis

& Some Stories of Academic Corruption on My Life

Technik
Englisch
11187 Wörter
Keine Altersempfehlung
132
0

This book is divided to three parts related to case Studies for optimal control schemes of power system with FACTS devices, and power system fault analysis, and some stories of academic corruptions on my life. • Part A: Optimal Control Schemes for Power System with FACTS Devices• Part B. Calculation of Critical Distance in Faulted Meshed Power System• Part C: Real Stories of Academic Corruption in My Life I. Part A: Optimal Control Schemes for Power System with FACTS Devices:Most of the control schemes introduced in the existing papers were designed either for eliminating current harmonics or eliminating voltage flickers or for load flow control. So, this work is devoted to find a proper optimal control schemes for a system with series or shunt or series and shunt converters that can provide all functions together. Various optimal control schemes will be designed for systems with series, shunt and series-shunt converters with the objective to control the load flow through a lines and to eliminate current harmonics and voltage flickers with different strategies for tracking. II. Part B. Calculation of Critical Distance in Faulted Meshed Power SystemFaults studies form an important part of power system analysis. The problem consists of determining bus voltages and line currents during various types of faults. If the fault location is known the problem can be easily solved. But if the fault location is unkown, it is difficult to solve the problem. If the fault location is known the problem can be easily solved. But if the fault location is unkown, it is difficult to solve the problem. This part provided proper solution based in Gauess Seidal to find the critcal distance in meshed power system III. Part C: Real Stories of Academic Corruption in My LifeIn this part, I will speak about the academic corruption I saw in some universities and academic institutions according to my experience with them. [mehr]

Stichwörter: FACTS Devices, Power Quality, Power Reliability, Active Filters, Optimal Control, Suboptimal Control, Current Harmonics, Load Flow, Power Stability, Voltage Flicker, UPFC, Shunt Converter, Series Converter, short circuit analysis, voltage dip, meshed power system, fault analysis, Academic Corruption, Higher Colleges of Technology, University of Swaziland, Palestinian Energy And Natural Resources Autority, Palestinian University, PENRA, Corruption, story [mehr][weniger]

14,99 US$

Canadian Kodak Company Premo Cameras, 1914

Technik
Englisch
13121 Wörter
Ab 18 Jahren
2
0

Premo Cameras and Premo Film Packs may be obtained of practically every photographic dealer in this country. Ease of [mehr]

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Dr.Prakash Kumar Data Communication and Computer Networks

Networking

Computer
Englisch
22717 Wörter
Ab 16 Jahren
122
0

The text book is written in simple and easily understandable language.This book can be used as a self-study guide for compter science students.I made (Dr.Prakash Kumar)sincere attempts to analyse every important topic completely and put before the reader of this book in the best presentable form.This book is uniquely different from many other books in a number of ways. Some of the unique features of the book are as under: Beginner to advanced apporoach to the subject. Simple and easy understandable language. Include examples to illustrate concept. Systematic and sequential arrangement of different topics. It can be used for one semester or one quarter course. Eminently suitable for self study. Detailed study of important topics such as Communication system, OSI Model, Ethernet LAN ,Network security and Cryptography. [mehr]

Stichwörter: Network, Communication, Data, Security, LAN, Models, TCP/IP, OSI, Ethernet, CSMA, Error, Digital, Analog, Packet, Frame, Address, Flow, Access, Data Communication, Fast Ethernet, Token Ring, Point to point, Star, Ring, Bus, Multipoint, Physical, Layers, Topology, Network Criteria, Text, Timeliness, Jitter, Simplex, Half-duplex, Full-Duplex, Data Flow, Error Control, Access Control, Routing, Communication System, Transmitter, Transmission, Channels, Noise, Electronic data interchange, Reliability, Recovery, MAN, WAN, Internetwork, Type of Connection, Transport Layer, Logical addressing, Service Point Addressing, Segmentation, Reassembling, Session, dialog controller, Synchronization, Cryptography, Plaintext, Cipher text, Encipher, Decipher, Key, Cipher, decode, encode, Cryptology, Cryptanalysis, SECURITY SERVICES, Confidentiality, Authentication, Integrity, Non repudiation, Availability, Access control, Symmetric key, Public key, Images, Numbers, Receiver, Sender, Device, . Message, Protocol, Communication medium, Destination, RESOURCE SHARING, Security through redundancy, Dedicated Servers, Non-dedicated Servers, Electronic data interchange (EDI), Cable television, Teleconferencing, NODE, IPv6, FTP, email services, • Web sites, Tree, Reference Model [mehr][weniger]

1,99 US$

Baxter Perry Smith The History Of Dartmouth College

Historisches
Englisch
177046 Wörter
Ab 18 Jahren
2
0

In the preparation of this work the writer has deemed it better to let history, as far as possible, tell its own story, regarding reliability as preferable to unity of style. The imperfect records of all our older literary institutions, limit their written history, in large measure, to a record of the lives and labors of their teachers. To the many friends of the college, and others, who have kindly given their aid, the writer is under large obligations. [mehr]

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Jennifer Agard PhD DO YOU WANT TO RETAIN YOUR JOB?

Business und Wirtschaft
Englisch
2768 Wörter
Ab 14 Jahren
371
0

Education on to how to adjust to changes, develop skills, and time management on the job. Tips: [mehr]

Stichwörter: Accountability, responsible, liable, ethical, behavior, obligation, project, plan, resource, enroll, help, delegate, completion, promotion, adaptability, workplace, economic, crisis, adaptation, improve, short-term, change, adapt, authority, power, report, convince, adjustment, mode, behavior, style, patience, remarkable, flexibility, attractive, statement, revitalize, passion, creative thinking, promotion, exercise, byproduct, technique, innovative, brainstorm, daydream, challenge, creative, project, decision-making, method, solution, multiple, result, envision, entail. aptitude, attitude, action, evaluate, computer, skill, excel, microsoft, PowerPoint, graphic, internet, online, self-confidence, personality, advantageous, public, image, communication, enthusiasm, opportunity, charismatic, volunteer, quantity, quality, entrust, task, dissatisfaction, impress, communicator, frustration, impress, competitive, environment, stimulate, strategic, technology, education, culture, police, cultural, train, class, enthusiasm, focus, long-term, re-evaluate, promotion, objective, hope, belief, demonstrate, positive, stress, impression, politeness, preparedness, excellence, judgment, action-orient, leadership, meeting, agenda, interrupt, strategize, biases, measure, perception, corporate, influence, sensational, negotiation, persuasiveness, salary, recognition, politic, approach, professionalism, reliability, responsibility, risk, solve, highlight, project, intuition, anticipate, level, stock, imperative, self-motivation, business, self-reengineer, tactfulness, prioritization, teamwork, management, reallocate, ethical, value-added, vision, boss, employee, employer, vulnerability, jeopardy, readiness, evaluate, willingness, hire, crisis, layoff [mehr][weniger]

1,99 US$

Ebele C. Okigbo, Nneka R. Nnorom INNOVATIONS IN SCIENCE, TECHNOLOGY AND MATHEMATICS EDUCATION IN NIGERIA

FESTSCHRIFT IN HONOUR OF TWO ERUDITE PROFESSORS

Bildung
Englisch
156819 Wörter
Ab 16 Jahren
1373
0

Abstract The study focused on the effect of science writing Heuristic (SWH) on College of Education Chemistry students achievement in redox reactions. Two research questions and two hypothesis guided the study. The study utilized a quasi-experimental design having non-equivalent control group with a 2x2 factional design. The sample comprised one hundred and twenty-five second year chemistry students in two Colleges of Education in Anambra State. The instrument for data collection was the Achievement Test on Redox reactions (ATORR), and its reliability was established using Kinder Richardson formula 21(K-R 21). Mean and standard deviations were used to answer the research questions while the Analysis of covariance (ANCOVA) was used to test the null hypothesis at P< 0.05. The findings showed that the Science Writing Heuristic was effective in enhancing achievement in Chemistry. The study recommended that teachers use the science writing heuristic which is a student centred inquiry laboratory instructional approach. [mehr]

Stichwörter: science writing heuristic, conventional laboratory instruction, achievement, redox reactions

Kostenlos

James Gerard The Happy Haven

Science Fiction
Englisch
20650 Wörter
Ab 16 Jahren
119
1

For young Bill, the one time child mathematical prodigy, life is good--very, very good. After graduation from one of the finest universities in the world, he and three of his fellow prodigies are hired by a private business consortium. The consortium consists of powerful individuals that are seeking an advantage in the world of business. What they are asking Bill and his friends to do is to create a machine that will clearly give them such an advantage, and in return have been promised riches and pleasures beyond any of their imaginations. But one day, Bill, on a rest and relaxation period, receives a message from his three friends. The message asks him for an answer to a question by which the machine they successfully constructed can be tested for reliability. The question, however, is one that Bill finds annoying. It is a question for which he knows there is no truthful answer, and worse, goes well beyond the nature of science. The question also begins to wear on his conscious, and before long, something begins to make sour the sweet, sweet life he lives. What that question is and how Bill arrives at the answer just might be found at The Happy Haven. [mehr]

Stichwörter: science fiction, time, success, pleasure, questions, answers, lies, truth, mystery

0,00 US$

Random Number Generator Easy Random Number Generators: Unraveling the Science of Chance

Bildung
Englisch
282 Wörter
Ab 8 Jahren
23
0

Journey into the fascinating realm of randomness and the mathematics that govern it. In "Random Number Generators," we explore the pivotal role that these digital fortune tellers play in shaping the modern world. Delve into the foundations of randomness, from true random events to pseudo-random sequences. Uncover the historical tapestry of RNG development and discover how they've become indispensable in cryptography, statistics, gaming, and beyond. Dive deep into the algorithms that drive PRNGs, including the ubiquitous Mersenne Twister and the intriguing Xorshift*. Understand how RNGs are tested for reliability, and learn why cryptographic RNGs are at the heart of secure transactions. From Monte Carlo simulations to securing online communications, RNGs empower a multitude of applications. Find out how they're used in our digital age, and explore emerging technologies like quantum RNGs and blockchain-based decentralized randomness. We also take a responsible approach, discussing ethical and legal considerations surrounding RNG use. Embrace the world of randomness, learn to build your own RNGs, and find resources for further exploration. "Random Number Generators" is your passport to a world where chance meets mathematics, and where the seemingly unpredictable becomes a tool for innovation and security. Join us on this captivating journey through the science of chance. For further resources and information on number generators, visit Number Generator. [mehr]

Kostenlos

Karl Glanz Politics In Austria

Philosophie
Englisch
25330 Wörter
Ab 10 Jahren
63
0

Politicians have, right now, not a good image. The image is worse than that of journalists and even worse than that of prostitutes. What a prostitute promises that it holds. A politician promises a lot but does not believe. In contrast to the current reigning political class, holding the prostitutes what they promise. The policy takes out too much. lead a House of Pleasure whose prostitutes brazenly their customers so duped, as does this government would rather quickly broke. No wonder then that the prostitutes doing better than politics. This is simply a question of reliability. The policy and the House of Pleasure, two business models that have little to do with each other. can the prostitutes to rely on politics not. Remarkably, however, the conclusion is pull the parties from this loss of reputation. The policy apparently taken to heart the old Folk knowledge, according to which a ruinierer reputation has the advantage of completely uninhibited lifestyle with it. Barroso moved to Goldman Sachs exactly this entanglement between EU -. Politicians and large corporations / financial groups is the EU's core problem. It is not surprising that many EU - politicians make their policies in favor of corporations rather than for the benefit of citizens. Each of their decisions is a cover letter for a well paid job "after". This is the core which can pull the trigger disgust the people of the once good idea "Europe". A policy for corporations and against the people. This tells us Dirk Müller. And he's right. [mehr]

Stichwörter: politic, austria, political parties, sebastian kurz, media, newspapers, economy

0,99 €

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eBooks „Reliability“

Bücher (12)

eBooks „Reliability“

Bücher (12)

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