電氣工程專業(yè)英語

前言

　　本書是21世紀(jì)高等學(xué)校精品規(guī)劃教材，是為電氣工程及其自動(dòng)化專業(yè)方向而編寫的專業(yè)英語教學(xué)用書。專業(yè)英語是在大學(xué)基礎(chǔ)英語學(xué)習(xí)完成以后開設(shè)的，目的是使學(xué)生進(jìn)一步鞏固和提高英語水平，培養(yǎng)學(xué)生閱讀相關(guān)專業(yè)資料的能力，使學(xué)生了解學(xué)科前沿。書中內(nèi)容比較新穎，文體規(guī)范，難度適中。內(nèi)容主要涉及電機(jī)與電器、電力系統(tǒng)及其自動(dòng)化、高電壓與絕緣技術(shù)、電力電子與電力傳動(dòng)、電工理論與新技術(shù)，力求反映電氣工程及其自動(dòng)化專業(yè)的主要方向。全書共分八章，包括電路理論基礎(chǔ)，電子電路，電機(jī)，電力系統(tǒng)，電力系統(tǒng)設(shè)備與保護(hù)，控制系統(tǒng)與電力電子，絕緣、防雷與接地，其他。每章節(jié)附有詞匯和注釋，以配合教學(xué)的需要。　　參加本書編寫的單位和人員有：西安建筑科技大學(xué)陸地、于瑛、許巖，西安交通大學(xué)劉姝瑋，長安大學(xué)陸路，清華大學(xué)許路，西安電子科技大學(xué)姚若玉，陜西教育學(xué)院黃希敏等。其中前言、第一章、第三～第五章、第八章第一～第六節(jié)由陸地編寫；第二章由劉姝瑋編寫；第六章第一～第五節(jié)由于瑛編寫；第六章第六～第九節(jié)由許巖編寫；第七章第一～第三節(jié)由陸路編寫；第七章第四～第六節(jié)由許路編寫；第八章第七～第八節(jié)由姚若玉編寫；第八章第九～第十節(jié)由黃希敏編寫。本書由陸地?fù)?dān)任主編，負(fù)責(zé)全書的統(tǒng)稿、定稿工作；由于瑛、劉妹瑋擔(dān)任副主編，負(fù)責(zé)全書的校對(duì)工作?！　”緯砷L安大學(xué)段晨東、西安建筑科技大學(xué)楊延龍主審并提出了寶貴的意見和建議，謹(jǐn)在此表示衷心的感謝！

內(nèi)容概要

本書是21世紀(jì)高等學(xué)校精品規(guī)劃教材，是為電氣工程專業(yè)方向而編寫的專業(yè)英語教學(xué)用書，內(nèi)容主要涉及電機(jī)與電器、電力系統(tǒng)及其自動(dòng)化、高電壓與絕緣技術(shù)、電力電子與電力傳動(dòng)、電工理論與新技術(shù)。全書共分八章，包括電路理論基礎(chǔ)，電子電路，電機(jī)，電力系統(tǒng)，電力系統(tǒng)設(shè)備與保護(hù)，控制系統(tǒng)與電力電子，絕緣、防雷與接地，其他。每章節(jié)附有詞匯和注釋，以配合教學(xué)的需要。    本書是高等學(xué)校電氣工程及其自動(dòng)化專業(yè)本科生專業(yè)英語的基本教材，亦可作為其他電類專業(yè)的教材，還可作為有關(guān)工程技術(shù)人員的閱讀參考書。

書籍目錄

前言Chapter 1  Circuit Theory Fundamentals  Section 1  Current and Voltage  Section 2  Circuit Elements  Section 3  Ohm's Law  Section 4  Kirchhoff's Laws  Section 5  Basic Analysis Methods  Section 6  Sinusoidal AC Circuit Analysis and Three-Phase CircuitsChapter 2  Electronic Circuits  Section 1  Introduction  ,  Section 2  Semiconductor Cells  Section 3  The Integrated Circuits  Section 4  Digital Logic  Section 5  MemoryChapter 3  Electric Machinery  Section 1  Principle of Operation of an Induction Machine  Section 2  Performance Characteristics of Induction Motors  Section 3  Synchronous Machines  Section 4  DC MachinesChapter 4  Electric Power Systems  Section 1  Introduction  Section 2  Components of Power Systems  Section 3  Coal-Fired Power Plants  Section 4  Hydropower Plants  Section 5  Nuclear Power Plants  Section 6  Operation and Control of Power Systems  Section 7  Power System StabilityChapter 5  Power System Equipments and Protection  Section 1  Transformer  Section 2  Switches  Section 3  Circuit Breakers  Section 4  Relays  Section 5  Fuses  Section 6  Cables  Section 7  Protective Relaying  Section 8  Distance Protection  Section 9  Harmonics in Power System  Section 10  Power QualityChapter 6  Control Systems and Power Electronics  Section 1  Introduction to Control Systems  Section 2  Determination of the Overall Transfer Function  Section 3  Control-System Characteristics  Section 4  Frequency Response  Section 5  Introduction to Modern Control Theory  Section 6  Neural Network and Fuzzy Controller  Section 7  Fuzzy Control and AI  Section 8  PWM Inverter Drive  Section 9  HVDC TransmissionChapter 7  Insulation, Lightning and Grounding  Section ,1  Introduction of Electrical Insulation  Section 2  Transmission Line Insulation  Section 3  Overvoltage Due to Lightning  Section 4  Lightning Strokes and Arrester  Section 5  Lightning Shielding of Transmission Lines  Section 6  GroundingChapter 8  Others  Section 1  Intelligent Buildings  Section 2  Internet--the Information Superhighway  Section 3  Lifts  Section 4  Fieldbus  Section 5  Wireless Sensor Networks  Section 6  Premises Distribution Systems  Section 7  System Integration  Section 8  Fire Alarms  Section 9  Call, Telephone and Public Address Systems  Section 10  Optical Fiber Communication Systems Modeling參考文獻(xiàn)

章節(jié)摘錄

　　The nature of electrical signals in electronic circuits readily enables the technology tobe divided into classes. One of the classes is analog electronics， another： is digital electron-ics. Both analog and digital electronics use similar electronic elements， but the manner ofuse is different， and the technologies appear to be quite distinct. For this reason we shallstudy them separately until we bring them together as they invariably unite in instrumen-tation and applications.　　Analog electronics pertains to those systems in which the electrical voltage and elec-trical current are analogous to physical quantities and vary continuously. Electronic circuitsthat reproduce music must have voltages and currents that are proportional to the sound. Ahigh fidelity amplifying system attempts to keep the analogy as true as possible. Analog e-lectronic circuits are carefully designed to make the electrical voltages and currents followthe input signal. If an input signal doubles in amplitude， the output voltage or current alsoshould be double. This is possible because the circuit elements are made to operate withinlimits that preserve the linearity.　　An electrical voltage that is proportional to temperature and changes smoothly as thetemperature changes is an analog of temperature. If the temperature range is divided intosmall increments， however， and a numerical assignment is made to each increment， thenthe temperature may be indicated by a digital display. As the temperature （voltage） chan-ges smoothly， a decision must be made by an electronic system as to the numerical valueto be displayed as the temperature. The circuit making the decision is called an analog-to-digital converter， ADC. The inverse process is accomplished by a digital-to-analog con-verter， DAC.　　Digital electronic circuits do not require the linearity of analog circuits. Digital circuitsact as electronic switches and switch from one state to another. The output state， on oroff， is the only signal condition to be examined. In digital circuits the output state is deter-mined by the input signals in a manner as direct as the output voltage of an analog circuit isrelated to the input signal. In digital circuits the relation between input and output statesare expressed as logic equations， and the elements of digital electronics are called logicgates. Logic gates switch between states， on or off， very quickly so that they may operateat many megahertz in computers and other applications.

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