Xem 1-20 trên 578 kết quả Electrical systems
  • Power flow solutions are needed in both for planning and operation studies. Power flow studies for three phases balanced power system can be carried out using very efficient methods. Power flow analysis for certain type of power system network can be carried on by using several software that already been develop without manual calculation on this time. One of the software is MATLAB with its toolbox: Power System Analysis Toolbox. This software also uses numerical methods to do power flow analysis like Newton-Raphson and its modified form, Fast Decoupled Method.

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  • Within this book the fundamental concepts associated with the topic of power electronic control are covered alongside the latest equipment and devices, new application areas and associated computer-assisted methods. *A practical guide to the control of reactive power systems

    pdf451p anplixfz 22-01-2013 82 44   Download

  • Introduction to Control Systems, Mathematical Modeling of Control Systems, Mathematical Modeling of Mechanical Systems and Electrical Systems, Mathematical Modeling of Fluid Systems and Thermal Systems, Transient and Steady-State Response Analyses,... as the main contents of the book "Modern Control Engineering". Invite you to consult.

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  • Ebook "Step by Step Guide Book on Home Wiring" referred to the contents of your home electrical system how the works, how to turn off the main power supply, the three Ways to get power to your new wiring job, how the ground wire plastic boxes print works, all about electric wire, how to use screw terminals and wirenuts, how to install wiring in new walls and petitions, ... Invite you to consult.

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  • IDC Technologies is internationally acknowledged as the premier provider of practical, technical training for engineers and technicians. We specialize in the fields of electrical systems, industrial data communications, telecommunications, automation and control, mechanical engineering, chemical and civil engineering, and are continually adding to our portfolio of over 60 different workshops. Our instructors are highly respected in their fields of expertise and in the last ten years have trained over 200,000 engineers, scientists and technicians....

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  • Electrical Engineering Dictionary is a continually updated CD that provides workable definitions for practicing engineers. It serves as a reference and research tool for students and offers practical information for scientists and researchers in other disciplines. Areas examined include applied electrical engineering, microwave engineering, control engineering, power engineering, digital systems engineering, and device electronics.

    pdf751p nvdat80 07-06-2010 311 186   Download

  • Reference subjects of digital information in English and fully understandable. This book was written to be a textbook for seniors or first - year graduate students interested in electrical communication systems. The book departs from the usual formata in two major respects. First, the text does not cover analog or pulse modulation systems.

    pdf207p binhbut 22-08-2010 168 97   Download

  • semiconductors.In the first category are substances which provide an easy path for an electric current. All metals are conductors, however some metals do not conduct well. Manganin, for example, is a poor conductor. Copper is a good conductor, therefore it is widely used for cables. A non-metal which conducts well is carbon. Salt water is an example of a liquid conductor. A material which does not easily release electrons is called an insulator. Rubber, nylon, porcelain and air are all insulator. There are no perfect insulators.

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  • The system of units used in engineering and science is the Système International d’Unités (International system of units), usually abbreviated to SI units, and is based on the metric system. This was introduced in 1960 and is now adopted by the majority of countries as the offi cial system of measurement.

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  • In industrialized countries, distribution systems deliver electricity literally everywhere, taking power generated at many locations and delivering it to end users. Generation, transmission, and distribution — of these big three components of the electricity infrastructure, the distribution system gets the least attention. Yet, it is often the most critical component in terms of its effect on reliability and quality of service, cost of electricity, and aesthetic (mainly visual) impacts on society....

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  • PSAT is a Matlab toolbox for static and dynamic analysis and control of electric power systems. The PSAT project began in September 2001, while I was a Ph.D. candidate at the Universit´ degli Studi di Genova, Italy. The first public a version date back to November 2002, when I was a Visiting Scholar at the University of Waterloo, Canada. I am currently maintaining PSAT in the spare time, while I am working as associate professor at the Universidad de Castilla-La Mancha, Ciudad Real, Spain. PSAT is provided free of charge, in the hope it can be useful and other people...

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  • The mechatronic servo system is the major theme studied in this book. In particular, the servo system adopted in an electric servo motor is explained in this chapter. Several items of its utilization from the development stage to the present as well as its performances. The so-called mechanism machine (called as mechatronic servo system at the following), i.e.

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  • The inspiration for Building Systems for Interior Designers came when I tried to teach interior design students about all the ways buildings support our activities and physical needs—without an adequate textbook. I needed an approach that supported the special concerns of the interior designer, while connecting those issues to the work of the rest of the building design team.

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  • The objective of this book is to present methods of power system analysis and design, particularly with the aid of a personal computer, in su‰cient depth to give the student the basic theory at the undergraduate level. The approach is designed to develop students’ thinking processes, enabling them to reach a sound understanding of a broad range of topics related to power system engineering, while motivating their interest in the electrical power industry.

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  • Although there is no “typical” electric power system, a diagram including the several components that are usually to be found in the makeup of such a system is shown in Figure 1-1; particular attention should be paid to those elements which will make up the component under discussion, the distribution system.

    pdf558p vankent 08-07-2010 112 48   Download

  • This book is for people who want to learn basic electricity, electronics, and communications concepts without taking a formal course. It can also serve as a classroom text. This third edition contains new material covering acoustics, audio, high-fidelity, robotics, and artificial intelligence.

    pdf748p minhhuy 14-03-2009 90 42   Download

  • Motion control systems today can be found in such diverse applications as materials handling equipment, machine tool centers, chemical and pharmaceutical process lines, inspection stations, robots, and injection molding machines. Merits of Electric Systems Most motion control systems today are powered by electric motors rather than hydraulic or pneumatic motors or actuators because of the many benefits they offer: • More precise load or tool positioning, resulting in fewer product or process defects and lower material costs.

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  • Harmonic distortion problems include equipment overheating, motor failures, capacitor failure and inaccurate power metering. The topic of power system harmonics was covered for the first time 20 years ago and the first edition has become a standard reference work in this area. Unprecedented developments in power electronic devices and their integration at all levels in the power system require a new look at the causes and effects of these problems, and the state of hardware and software available for harmonic assessment.

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  • Engineering for sustainability is an emerging theme for the twenty-first century, and the need for more environmentally benign electric power systems is a critical part of this new thrust. Renewable energy systems that take advantage of energy sources that won’t diminish over time and are independent of fluctuations in price and availability are playing an ever-increasing role in modern power systems.

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  • This chapter aims at providing an overview of products and systems using batteries. Here, the term product indicates any device – small or large, portable or not – powered by a battery. The term system indicates a large installation, such as an energy storage plant to back up an electricity grid, or an extended sensor network.

    pdf385p minhtuan 04-08-2009 122 34   Download

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