Xem 1-20 trên 36 kết quả Power semiconductor
  • Power Electronics and Motor Drives including content: introduction and Perspective, power Semiconductor Devices, phase-Controlled Converters and Cycloconverters, voltage-Fed Converters and PWM Techniques, current-Fed Converters, electrical Machines for Variable-Speed Drives, induction Motor Drives, synchronous Motor Drives, computer Simulation and Digital Control.

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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

  • With technology advancements in semiconductor devices such as insulated gate bipolar transistors (IGBTs) and gate commutated thyristors (GCTs), modern highpower medium voltage (MV) drives are increasingly used in petrochemical, mining, steel and metals, transportation and other industries to conserve electric energy, increase productivity and improve product quality. Although research and development of the medium voltage (2.3 KV to 13.8 KV) drive in the 1-MW to 100-MW range are continuously growing, books dedicated to this technology seem unavailable.

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  • Offering step-by-step, in-depth coverage, the new Third Edition of Power Electronics: Converters, Applications, and Design provides a cohesive presentation of power electronics fundamentals for applications and design in the power range of 500 kW or less. The text describes a variety of practical and emerging power electronic converters made feasible by the new generation of power semiconductor devices. The new edition is now enhanced with a new CD-ROM, complete with PSpice-based examples, a new magnetics design program, and PowerPoint slides.

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  • At $13 billion and roughly five percent of the total semiconductor market (2004 data) the power semiconductor market is big and growing fast, typically outgrowing the rest of the semiconductor market. Modern electronic appliances, while exhibiting increasing functionality, are also expected to consume little power, for reasons of portability, thermal performance, and environmental considerations.

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  • The purpose of Power Electronics Handbook is to provide a reference that is both concise and useful for engineering students and practicing professionals. It is designed to cover a wide range of topics that make up the field of power electronics in a well-organized and highly informative manner. The Handbook is a careful blend of both traditional topics and new advancements. Special emphasis is placed on practical applications, thus, this Handbook is not a theoretical one, but an enlightening presentation of the usefulness of the rapidly growing field of power electronics.

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  • Power Electronic Devices 1 Power Electronics Kaushik Rajashekara, Sohail Anwar, Vrej Barkhordarian, Alex Q. Huang Overview • Diodes • Schottky Diodes • Thyristors • Power Bipolar Junction Transistors • MOSFETs • General Power Semiconductor Switch Requirements • Gate Turn-Off Thyristors • Insulated Gate Bipolar Transistors • Gate-Commutated Thyristors and Other Hard-Driven GTOs • Comparison Testing of Switches © 2002 by CRC Press LLC .1 Power Electronics Kaushik Rajashekara Delphi Automotive Systems 1.

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  • This book is mainly intended for designers and users of magnetic components in power electronics. It can also be used for didactical purposes. Magnetic components such as inductors and transformers constitute together with the control and the semiconductor components, the main parts in the design of power electronic converters. Some experience teaches that the design of the magnetic parts is still often done by trial and error. This can be explained by a (too) long working-in time for designing inductors and transformers.

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  • Rajashekara, K., Bhat, A.K.S., Bose, B.K. “Power Electronics” The Electrical Engineering Handbook Ed. Richard C. Dorf Boca Raton: CRC Press LLC, 2000 .30 Power Electronics 30.1 Power Semiconductor Devices Thyristor and Triac • Gate Turn-Off Thyristor (GTO) • ReverseConducting Thyristor (RCT) and Asymmetrical Silicon- Controlled Rectifier (ASCR) • Power Transistor • Power MOSFET • Insulated-Gate Bipolar Transistor (IGBT) • MOS Controlled Thyristor (MCT) Kaushik Rajashekara Delphi Energy & Engine Management Systems 30.2 30.3 30.

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  • The concept of switched reluctance machines (SRMs) was established as early in 1838 by Davidson and was used to propel a locomotive on the Glasgow–Edinburgh railway near Falkirk [1]. However, the full potential of the motor could not be utilized with the mechanical switches available in those days. The advent of fast-acting power semiconductor switches revived the interest in SRMs in the 1970s when Professor Lawrenson’s group established the

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  • This book represents a unique collection of the latest developments in the rapidly developing world of semiconductor laser diode technology and applications. An international group of distinguished contributors have covered particular aspects and the book includes optimization of semiconductor laser diode parameters for fascinating applications.

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  • Power management is, literally and metaphorically, the hottest area in computing and computing appliances. In 1965, while working at Fairchild Semiconductor, Gordon Moore predicted that the number of transistors in an integrated circuit would double approximately every two years. Moore’s law, as his observation has been dubbed, has so far been the foundation of the business of per- sonal computing and its derivative applications.

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  • In the latest decade we have witnessed a tremendous advance in telecommunications technology. With the rapid growth and sophistication of digital technology and computers, communication systems have become more versatile and powerful. This has given a modern communication engineer two key problems to solve: (i) how to handle the ever-increasing demand for capacity and speed in communication systems, and (ii) how to tackle the need to integrate a wide range of computers and data sources so as to form a highly integrated communication network with a global coverage....

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  • Tham khảo sách 'electronic properties of doped semiconductor', y tế - sức khoẻ, y học thường thức phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả

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  • Building on MATLAB (the language of technical computing), Simulink provides a platform for engineers to plan, model, design, simulate, test and implement complex electromechanical, dynamic control, signal processing and communication systems. Simulink-Matlab combination is very useful for developing algorithms, GUI assisted creation of block diagrams and realisation of interactive simulation based designs. The eleven chapters of the book demonstrate the power and capabilities of Simulink to solve engineering problems with varied degree of complexity in the virtual environment....

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  • As with micromachining processes, many MEMS sensor-packaging techniques are the same as, or derived from, those used in the semiconductor industry. However, the mechanical requirements for a sensor package are typically much more stringent than for purely microelectronic devices. Microelectronic packages are often generic with plastic, ceramic, or metal packages being suitable for the vast majority of IC applications.

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  • Electrical consumption, especially direct or variable frequency currents, has strongly increased over 50 years in industry. This situation explains the growth of power electronics. At the beginning, when rectifiers replaced DC machines, only diodes and thyristors were used. Then power transistors appeared and enabled the extension of smaller power applications for domestic use. New research topics were developed around converters and power devices.

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  • In science we study about the laws of nature and its verification and in technology, we study the applications of these laws to human needs. Electronics is the science and technology of the passage of charged particles in a gas or vacuum or semiconductor.

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  • Introduction Multilevel Voltage Source Modulation Fundamental Multilevel Converter Topologies Diode-Clamped Multilevel Converters • Flying-Capacitor Multilevel Converters • Cascaded H-Bridge Multilevel Converters • Multilevel H-Bridge Converters 6.4 6.5 6.6 Cascaded Multilevel Converter Topologies Cascaded Multilevel Converters • Cascaded Multilevel H-Bridge Converters Multilevel Converter Laboratory Examples Three-Level Diode-Clamped Inverter • The Cascade-3/2 Inverter • The Cascade-5/3H Inverter Conclusion 6.

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  • The dramatic reduction in transmission loss of optical fibers coupled with very important developments in the area of light sources and detectors have resulted in phenomenal growth of the fiber optic industry during the last 35 years or so. Indeed, the birth of optical fiber communication systems coincided with the fabrication of low-loss optical fibers and the operation of room-temperature semiconductor lasers in 1970. Since then, scientific and technological growth in this field has been phenomenal.

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