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Using Ann to Decrease the Losses in Electric Power System
ISBN: 9783659534508 / Angielski / Miękka / 132 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. In this book an electric power system is considered, we design mathematical model for the determination of the increase in operational cost of transmission line caused by reactive power transmission, and decrease the Losses in electric power system by derived mathematical relations to determine an economically justified transmission distance for VARs transmission. Also, detailed analyses to help determine the increase in production costs due to the transmission of reactive power are given. The main purpose of the book is to introduce the detailed analyses of artificial neural networks...
In this book an electric power system is considered, we design mathematical model for the determination of the increase in operational cost of transmi...
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cena:
276,87 |
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Magnetic Position Detectors
ISBN: 9783659537363 / Angielski / Miękka / 108 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. In general, when we intend to measure physical quantities such as direction, presence or non-presence,current, rotation and angle, we use magnetic sensors.In this project the reader can gradually build up an understanding of magnetic position detectors to learn its principles.Depending on the kind of the measurable position, they can be divided into two main categories: linear position detectors and angular position detectors both of these position detectors are in themselves divided into absolute position detectors and increasing or counting position detectors. Output of position detectors...
In general, when we intend to measure physical quantities such as direction, presence or non-presence,current, rotation and angle, we use magnetic sen...
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cena:
245,56 |
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Electromagnetic Scattering in a Discrete Basis
ISBN: 9783659538490 / Angielski / Miękka / 124 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. Accurate and efficient solutions to scattering problems are essential to many areas of electromagnetic research. In this volume, the mode-matching technique is used to solve scattering problems in eddy-current nondestructive evaluation, thin-film deposition, and nanophotonics. In addition to being fast and accurate, the discrete eigenfunction solutions provide insight into the physics of each problem. After establishing the validity of discrete eigenfunction expansions for geometries of finite extent, the author derives an expression for the impedance of a tangential eddy-current coil in...
Accurate and efficient solutions to scattering problems are essential to many areas of electromagnetic research. In this volume, the mode-matching te...
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cena:
245,56 |
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"Hands on science im Sachunterricht in der Volksschule
ISBN: 9783639631760 / Niemiecki / Miękka / 72 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. Auf keinen Fall sollte Sachunterricht als Buchunterricht" gesehen werden. Der Unterricht sollte durch das handelnde Tun gepragt sein und lebendig gestaltet werden. Die Kinder sollen Eigenverantwortung entwickeln. Der Sachunterricht sollte als Unterrichtsbereich der Grundschule gesehen werden, der den Kindern versucht die Welt, in der wir leben, verstandlich zu machen und versucht deren Strukturen zu erlautern. Die Kinder sollen anhand konkreter Beispiele Alltagsphanomene beobachten lernen. Mithilfe einfachster Versuchsanleitungen sollen die Kinder ihren Alltag begreifen. Durch selbststandiges...
Auf keinen Fall sollte Sachunterricht als Buchunterricht" gesehen werden. Der Unterricht sollte durch das handelnde Tun gepragt sein und lebendig gest...
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cena:
160,58 |
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An Advanced Approach to Power Quality Issues in Distribution System
ISBN: 9783659541803 / Angielski / Miękka / 52 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. Power quality problems have been increasing due to the wide use of nonlinear loads. Nonlinear loads cause harmonic currents in networks and consequently distort the voltage and current waveforms at the point of common coupling. Unified Power Quality Conditioner (UPQC) is an efficient custom power device for enhancing the electric power quality at distribution levels. The UPQC is a combination of series and shunt active power filters sharing a common dc-link capacitor. This proposed system consists of a unified power quality conditioner integrated with a 7-level flying capacitor multilevel...
Power quality problems have been increasing due to the wide use of nonlinear loads. Nonlinear loads cause harmonic currents in networks and consequent...
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cena:
160,58 |
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Automotive Electronics EMC Controlling
ISBN: 9783639716771 / Angielski / Miękka / 192 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. All electromagnetic compatibility (EMC) problems can be traced back to integrated circuit (IC). Thus, the research on electromagnetic compatibility of integrated circuit is the main topic of this book. Among all research methods on EMC, measurement of immunity and emission of IC is the basic method. This book talks about how to do the EMC measurement of IC using standard methods and improved methods. After research the behavior of IC under the pressure of interference, the book presents the basics and concepts of hardware methods to improve the immunity of IC. An interference detection method...
All electromagnetic compatibility (EMC) problems can be traced back to integrated circuit (IC). Thus, the research on electromagnetic compatibility of...
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cena:
366,33 |
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Structured Light Fields: Applications in Optical Trapping, Manipulation, and Organisation
ISBN: 9783642434938 / Angielski / Miękka / 136 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. The optical trapping of colloidal matter is an unequalled field of technology for enabling precise handling of particles on microscopic scales, solely by the force of light.Although the basic concept of optical tweezers, which are based on a single laser beam, has matured and found a vast number of exciting applications, in particular in the life sciences, there are strong demands for more sophisticated approaches. This thesis gives an introductory overview of existing optical micromanipulation techniques and reviews the state-of-the-art of the emerging field of structured light fields and...
The optical trapping of colloidal matter is an unequalled field of technology for enabling precise handling of particles on microscopic scales, solely...
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cena:
402,53 |
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Magnitoopticheskie svoystva redkozemel'nykh ferrit granatov
ISBN: 9783659538230 / Rosyjski / Miękka / 128 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. Magnitnye orientatsionnye perekhody - magnitnye fazovye prevrashcheniya, svyazannye s izmeneniem orientatsii vektora spontannoy namagnichennosti v kristalle pri izmenenii temperatury, magnitnogo polya ili vneshnikh mekhanicheskikh napryazheniy. Eti perekhody naibolee yarko proyavlyayutsya v redkozemel'nykh soedineniyakh, takikh kak ortoferrity, ferrity-granaty i dr., imeyushchikh neskol'ko magnitnykh podreshetok. V monografii priveden podrobnyy obzor eksperimental'nykh i teoreticheskikh rabot po issledovaniyam domennoy struktury, magnitnykh i magnitoopticheskikh svoystv redkozemel'nykh...
Magnitnye orientatsionnye perekhody - magnitnye fazovye prevrashcheniya, svyazannye s izmeneniem orientatsii vektora spontannoy namagnichennosti v kri...
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cena:
245,56 |
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Improving reconstructions of digital holograms
ISBN: 9783659539008 / Angielski / Miękka / 232 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. Digital holography is a two step process of recording a hologram on an electronic sensor and reconstructing it numerically. This book focuses on the second step of this process and can be split into two distinct parts: A) speckle reduction in reconstructions of digital holograms (DHs), and B) modeling and overcoming partial occlusion effects and then using occlusions to reduce the effects of the twin image in reconstructions of DHs. We have developed a number of techniques to reduce the corruptive effect of speckle on reconstructions of DHs. These techniques range from 3D filtering, a...
Digital holography is a two step process of recording a hologram on an electronic sensor and reconstructing it numerically. This book focuses on the s...
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cena:
343,97 |
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Svoystva gravitatsionnogo i elektromagnitnogo polya
ISBN: 9783659544392 / Rosyjski / Miękka / 84 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. Uravneniya matematicheskoy fiziki pri bol'shikh energiyakh stanovyatsya nelineynymi. V dannoy knige issledovano uravnenie OTO, i pokazano, chto pri bol'shikh energiyakh ono imeet schetnoe kolichestvo resheniy so schetnym kolichestvom energii sostoyaniya, impul'sa i momenta impul'sa. Kak pokazano v knige uravnenie Shredingera i Kleyna-Gordona svodyatsya k ne relyativistskomu i relyativistskomu nelineynomu uravneniyu Nav'e - Stoksa s mnimoy kinematicheskoy vyazkost'yu i /(2m). Pri etom nelineynoe uravnenie Nav'e - Stoksa v turbulentnom rezhime imeet schetnoe kolichestvo resheniy s schetnym...
Uravneniya matematicheskoy fiziki pri bol'shikh energiyakh stanovyatsya nelineynymi. V dannoy knige issledovano uravnenie OTO, i pokazano, chto pri bo...
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cena:
178,47 |
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Coherent Raman Spectroscopy from a single femtosecond oscillator
ISBN: 9783659351877 / Angielski / Miękka / 248 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. Coherent Raman scattering (CRS) microscopy is quickly gaining recognition in biomedical and pharmaceutical fields due to its capability of non-invasive, level-free chemical imaging of tissues and cells. It has enhanced sensitivity to many orders of magnitude as compared to its incoherent counter-part spontaneous Raman scattering. CARS, SRS and RIKE are the three most popular CRS techniques. Very few books are available which explain the three techniques altogether on the basis of a single mathematical framework. This book develops a simple and direct mathematical framework for nonlinear...
Coherent Raman scattering (CRS) microscopy is quickly gaining recognition in biomedical and pharmaceutical fields due to its capability of non-invasiv...
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cena:
205,31 |
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Uncovering Student Ideas in Physical Science, Volume 2: 39 New Electricity and Magnetism Formative Assessment Probes
ISBN: 9781936137374 / Angielski Termin realizacji zamówienia: ok. 5-8 dni roboczych. If you and your students can't get enough of a good thing, Volume 2 of Uncovering Student Ideas in Physical Science is just what you need. The book offers 39 new formative assessment probes, this time with a focus on electric charge, electric current, and magnets and electromagnetism. It can help you do everything from demystify electromagnetic fields to explain the real reason balloons stick to the wall after you rub them on your hair.
Like the other eight wildly popular books in the full series, Uncovering Student Ideas in Physical Science, Volume 2: Provides a collection of engaging... If you and your students can't get enough of a good thing, Volume 2 of Uncovering Student Ideas in Physical Science is just what you need. The book of...
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cena:
225,49 |
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Elektroiek Rtu Dro Bas Un Tirgus Aprites Standarti
ISBN: 9783639819458 / Latvian / Miękka / 220 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. Ra o an un sadz v pla i pielieto da das elektroiek rtas, kas ir potenci li b stamas cilv ka vesel bai un dz v bai. T d ir b tiski svar gi nodro in t to atbilst bu dro bas standartiem projekt an, ra o an un ekspluat cij . Gr matas saturs atbilst LLU lauksaimniec bas ener tikas specialit tes ma istra studiju kursa "Elektroiek rtu atbilst ba un sertifik cija" programmai. Apskat ta ra o anas produkcijas atbilst bas nodro in anas, nov rt anas un tirgus aprites politika Eiropas Savien b . Analiz tas elektroiek rtu dro bas direkt vas, to galven s pras bas un ra ojumu atbilst bas nov rt anas,...
Ra o an un sadz v pla i pielieto da das elektroiek rtas, kas ir potenci li b stamas cilv ka vesel bai un dz v bai. T d ir b tiski svar gi nodro in t t...
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cena:
312,66 |
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Medida de desplazamientos y vibraciones en estructuras
ISBN: 9783639557084 / Hiszpański / Miękka / 248 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. Los sensores se han convertido en un elemento esencial en el proceso de control y sistemas de medida, y podemos encontrar innumerables aplicaciones, como por ejemplo en control industrial, automatizacion, transporte, telecomunicaciones, ordenadores y robots, sanidad, agricultura y como es nuestro caso, en la edificacion. El objetivo de este trabajo ha sido la elaboracion de un sensor, concretamente: Sensor de Posicion Magnetico de Alta Precision (SEPOMAP), que nos permita medir y conocer en tiempo real los movimientos que por efecto de vibraciones, efectos termicos, sobrecargas no...
Los sensores se han convertido en un elemento esencial en el proceso de control y sistemas de medida, y podemos encontrar innumerables aplicaciones, c...
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cena:
402,12 |
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Propriedades luminescentes do SrGa2O4 dopado com íons de Cr3+
ISBN: 9783639617719 / Portugalski / Miękka / 84 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. O interesse em desenvolver novos compostos que emitem na regiao do espectro visivel e infravermelho proximo e justificado pelos recentes avancos nos lasers de estado solido sintonizavel e nas aplicacoes envolvendo transmissao de sinal, display, telas de plasmas, dispositivos opticos etc. Deste modo, materiais dopados com ions metais de transicao tem sido intensivamente estudados como meios ativos de matrizes oxidas. Em particular, os ions metais de transicao tem sido largamente usados em materiais luminescentes. Assim, este livro apresenta o metodo utilizado para a producao do composto,...
O interesse em desenvolver novos compostos que emitem na regiao do espectro visivel e infravermelho proximo e justificado pelos recentes avancos nos l...
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cena:
160,58 |
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Fundamentals of Fault Current and Grounding in Electrical Systems
ISBN: 9781490735610 / Angielski / Miękka / 296 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. This book seeks to explain in simple terms the behavior of fault current through the general mass of earth, the origin of short circuit current and its value, and how a circuit breaker operates. The drawings are unique and allow the reader to visualize the behavior of a fault current. The book clarifies common myths pertaining to a grounding electrode, short circuit, and opens neutral conditions, and provides an unambiguous understanding of the theoretical and practical explanation for an effective earthing and protective system in electrical installations. There are numerous grounding...
This book seeks to explain in simple terms the behavior of fault current through the general mass of earth, the origin of short circuit current and it...
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cena:
82,54 |
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Fundamentals of Fault Current and Grounding in Electrical Systems
ISBN: 9781490735627 / Angielski / Twarda / 296 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. This book seeks to explain in simple terms the behavior of fault current through the general mass of earth, the origin of short circuit current and its value, and how a circuit breaker operates. The drawings are unique and allow the reader to visualize the behavior of a fault current. The book clarifies common myths pertaining to a grounding electrode, short circuit, and opens neutral conditions, and provides an unambiguous understanding of the theoretical and practical explanation for an effective earthing and protective system in electrical installations. There are numerous grounding...
This book seeks to explain in simple terms the behavior of fault current through the general mass of earth, the origin of short circuit current and it...
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cena:
127,65 |
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Power Quality Enhancement in Smart Distribution Systems
ISBN: 9783639718645 / Angielski / Miękka / 180 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. Currently, many electric utilities in the world are considering approaches to offering premium power to their customers. Premium power park (PPP) has emerged as one of the approaches, designed to compensate for voltage variations and to meet customer power quality needs. To protect sensitive loads, premium grade power should be provided for such loads by using a more-reliable distribution configuration and/or a combination of state-of-the-art custom power devices (CPDs). The objectives of this book are to evaluate and identify premium power options to be offered to customers by developing...
Currently, many electric utilities in the world are considering approaches to offering premium power to their customers. Premium power park (PPP) has ...
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cena:
357,39 |
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The Eigenmode Projection Technique
ISBN: 9783659544446 / Angielski / Miękka / 96 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. This book sets the foundation and framework of the Eigenmode Projection Technique (EPT) for electromagnetic scattering and resonance problems. The proposed technique combines several advantages and does not have many of the shortcomings in conventional numerical methods. The EPT has automatic and natural choice of the basis functions, being the eigenmodes of a fictitious canonical cavity. Also, it can be cast in both time and frequency domain in a straightforward manner. The frequency-domain version of the EPT has unique features, mainly the efficiency of the wideband analysis due to the...
This book sets the foundation and framework of the Eigenmode Projection Technique (EPT) for electromagnetic scattering and resonance problems. The pro...
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cena:
245,56 |
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Design Of A Differential Protection Scheme
ISBN: 9783659545801 / Angielski / Miękka / 60 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. Transmission networks are an important part of an electric power system. They help transfer power from the point of generation (power plants) to the substation. In order to minimize losses during power transfer, the lines are operated at high voltages. The high voltage lines not only have a high power transmission capacity, but they are also prone to faults of larger magnitudes. Thus the occurrence of such faults results in a need for the faults to be cleared quickly in order to limit damage caused to the system. Hence, relays are installed at the buses to provide protection to the lines....
Transmission networks are an important part of an electric power system. They help transfer power from the point of generation (power plants) to the s...
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cena:
178,47 |
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