Influencia del rendimiento de los motores de inducción trifásicos en aplicaciones industriales PDF Download

Author: Félix Rodríguez Pita
Publisher:
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Languages : es
Pages :

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Author: Daniel Rubio Soto
Publisher:
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Category :
Languages : es
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Book Description
Con el presente proyecto se pretende conseguir la caracterización de los parámetros que forman el circuito equivalente por fase de los motores trifásicos de inducción para aplicaciones de tracción ferroviaria, para conocer su comportamiento sin la necesidad de realizar ensayos del motor en el laboratorio. Para la caracterización del circuito equivalente se ha tenido en cuenta los diversos resultados de los ensayos, facilitados por el fabricante, que se le han realizado a los motores que componen el proyecto. Los motores del estudio, son motores que actualmente se utilizan para la tracción ferroviaria, el primer motor es el motor 4 HGA 1433, con una potencia nominal de 120 kW con 4 polos, y el segundo motor es el motor 1TB2220 con una potencia nominal de 320 kW con 6 polos. Para comenzar, se ha analizado el primer motor del cual ya teníamos los resultados de los ensayos de laboratorio, con el circuito equivalente que nos proporcionaba el fabricante, y se ha comparado con los resultados. Posteriormente se ha añadido varios parámetros al circuito y se ha observado que los resultados son más parecidos a los del fabricante, ya que la modificación del circuito equivalente propuesto mediante parámetros adicionales permite evaluar todas las pérdidas existentes en el motor Con el segundo motor hemos realizado la caracterización del circuito mediante los ensayos de cortocircuito, vacío y de carga que nos ha facilitado el fabricante y se ha procedido a comparar los resultados Mediante el circuito equivalente propuesto pueden evaluarse posibles mejoras en el rendimiento del motor. En aplicaciones de tracción, la mejora del rendimiento del motor puede suponer importantes ahorros energéticos durante toda su fase de uso Una vez analizados los dos motores, se ha procedido a mejorar el rendimiento mediante un cambio de sección en los conductores del estator y rotor, y un cambio en la chapa que compone el motor. Para finalizar el proyecto, se ha realizado un estudio ambiental de los diversos motores así como un estudio económico para saber en cuanto tiempo se amortizaría la inversión en la mejora del rendimiento.

Author: E. Valsami-Jones
Publisher: IWA Publishing
ISBN: 1843390019
Category : Science
Languages : en
Pages : 681

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Phosphorus in Environmental Technology: Principles and Applications, provides a definitive and detailed presentation of state-of-the-art knowledge on the environmental behaviour of phosphorus and its applications to the treatment of waters and soils. Special attention is given to phosphorus removal for recovery technologies, a concept that has emerged over the past 5-6 years. The book features an all-encompassing approach: the fundamental science of phosphorus (chemistry, geochemistry, mineralogy, biology), key aspects of its environmental behaviour and mobility, industrial applications (treatment, removal, recovery) and the principles behind such applications, novel biotechnologies and, importantly, it also addresses socio-economic issues which often influence implementation and the ultimate success of any new technology. A detailed subject index helps the reader to find their way through the different scientific and technological aspects covered, making it an invaluable reference work for students, professionals and consultants dealing with phosphorus-related environmental technologies. State-of-the-art knowledge on the behaviour of phosphorus and its applications to environmental science and technology. Covers all aspects of phosphorus in the environment, engineered and biological systems; an interdisciplinary text.

Author: Magd Abdel Wahab
Publisher: DEStech Publications, Inc
ISBN: 1605950963
Category : Technology & Engineering
Languages : en
Pages : 226

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Scientific background and practical methods for modeling adhered joints Tools for analyzing stress, fracture, fatigue crack propagation, thermal, diffusion and coupled thermal-stress/diffusion-stress, as well as life prediction of joints Book includes access to downloadable macrofiles for ANSYS This text investigates the mechanics of adhesively bonded composite and metallic joints using finite element analysis, and more specifically, ANSYS, the basics of which are presented. The book provides engineers and scientists with the technical know-how to simulate a variety of adhesively bonded joints using ANSYS. It explains how to model stress, fracture, fatigue crack propagation, thermal, diffusion and coupled field analysis of the following: single lap, double lap, lap strap/cracked lap shear, butt and cantilevered beam joints. Readers receive free digital access to a variety of input and program data, which can be downloaded as macrofiles for modeling with ANSYS.

Author: Piet Lens
Publisher: IWA Publishing
ISBN: 1843391007
Category : Science
Languages : en
Pages : 545

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Book Description
Soil and Sediment Remediation discusses in detail a whole set of remediative technologies currently available to minimise their impact. Technologies for the treatment of soils and sediments in-situ (landfarming, bioscreens, bioventing, nutrient injection, phytoremediation) and ex-situ (landfarming, bio-heap treatment, soil suspension reactor) will be discussed. The microbiological, process technological and socio-economical aspects of these technologies will be addressed. Special attention will be given to novel biotechnological processes that utilise sulfur cycle conversions, e.g. sulfur and heavy metal removal from soils. Also the potential of phytoremediation will be highlighted. In addition, treatment schemes for the clean-up of polluted megasites, e.g. harbours and Manufactured Gaswork Plants (MGP), will be elaborated. The aim of Soil and Sediment Remediation is to introduce the reader in: the biogeochemical characteristics of soil and sediments- new techniques to study soil/sediment processes (molecular probes, microelectrodes, NMR) clean up technologies for soils polluted with organic (PAH, NAPL, solvents) or inorganic (heavy metals) pollutants- preventative and remediative strategies and technologies available in environmental engineering novel process applications and bioreactor designs for bioremediation the impact of soil pollution on society and its economic importance.

Author: William D. Browning
Publisher: Routledge
ISBN: 1000051315
Category : Architecture
Languages : en
Pages : 426

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Book Description
Written by a leading proponent of biophilic design, this is the only practical guide to biophilic design principles for interior designers. Describing the key benefits, principles and processes of biophilic design, Nature Inside illustrates the implementation of biophilic design in interior design practice, across a range of international case studies – at different scales, and different typologies. Starting with the principles of biophilic design, and the principles and processes in practice, the book then showcases a variety of interior spaces – residential, retail, workplace, hospitality, education, healthcare and manufacturing. The final chapter looks ‘outside the walls’, giving a case study at the campus and city scale. With practical guidance and real-world solutions that can be directly-applied in day-to-day practice, this is a must-have for designers interested in applying biophilic principles.

Author: Jose A. Castellanos
Publisher: Springer Science & Business Media
ISBN: 146154405X
Category : Technology & Engineering
Languages : en
Pages : 212

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Book Description
During the last decade, many researchers have dedicated their efforts to constructing revolutionary machines and to providing them with forms of artificial intelligence to perform some of the most hazardous, risky or monotonous tasks historically assigned to human beings. Among those machines, mobile robots are undoubtedly at the cutting edge of current research directions. A rough classification of mobile robots can be considered: on the one hand, mobile robots oriented to human-made indoor environments; on the other hand, mobile robots oriented to unstructured outdoor environments, which could include flying oriented robots, space-oriented robots and underwater robots. The most common motion mechanism for surface mobile robots is the wheel-based mechanism, adapted both to flat surfaces, found in human-made environments, and to rough terrain, found in outdoor environments. However, some researchers have reported successful developments with leg-based mobile robots capable of climbing up stairs, although they require further investigation. The research work presented here focuses on wheel-based mobile robots that navigate in human-made indoor environments. The main problems described throughout this book are: Representation and integration of uncertain geometric information by means of the Symmetries and Perturbations Model (SPmodel). This model combines the use of probability theory to represent the imprecision in the location of a geometric element, and the theory of symmetries to represent the partiality due to characteristics of each type of geometric element. A solution to the first location problem, that is, the computation of an estimation for the mobile robot location when the vehicle is completely lost in the environment. The problem is formulated as a search in an interpretation tree using efficient matching algorithms and geometric constraints to reduce the size of the solution space. The book proposes a new probabilistic framework adapted to the problem of simultaneous localization and map building for mobile robots: the Symmetries and Perturbations Map (SPmap). This framework has been experimentally validated by a complete experiment which profited from ground-truth to accurately validate the precision and the appropriateness of the approach. The book emphasizes the generality of the solutions proposed to the different problems and their independence with respect to the exteroceptive sensors mounted on the mobile robot. Theoretical results are complemented by real experiments, where the use of multisensor-based approaches is highlighted.

Author: Wim Jochems
Publisher: Psychology Press
ISBN: 9780415335034
Category : Business & Economics
Languages : en
Pages : 228

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Book Description
This book forms a serious, in-depth study of the subject and proposes that e-learning is not simply a matter of 'digitizing' traditional materials, but involves a new approach, which must take into account pedagogical, technological and organizational features to form a well-designed education system.

Author: Allan H. Willett
Publisher: University of Pennsylvania Press
ISBN: 1512808997
Category : Business & Economics
Languages : en
Pages : 132

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Book Description
This book is a volume in the Penn Press Anniversary Collection. To mark its 125th anniversary in 2015, the University of Pennsylvania Press rereleased more than 1,100 titles from Penn Press's distinguished backlist from 1899-1999 that had fallen out of print. Spanning an entire century, the Anniversary Collection offers peer-reviewed scholarship in a wide range of subject areas.

Author: Tamer Mansour
Publisher: BoD – Books on Demand
ISBN: 9533071664
Category : Technology & Engineering
Languages : en
Pages : 250

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Book Description
The PID controller is considered the most widely used controller. It has numerous applications varying from industrial to home appliances. This book is an outcome of contributions and inspirations from many researchers in the field of PID control. The book consists of two parts; the first is related to the implementation of PID control in various applications whilst the second part concentrates on the tuning of PID control to get best performance. We hope that this book can be a valuable aid for new research in the field of PID control in addition to stimulating the research in the area of PID control toward better utilization in our life.