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1、Power Electronic Circuit and System 电力电子电路与系统 Power Electronic Circuit and System 刁利军 电气学院 北京交通大学 北京市轨道交通电气工程技术研究中心 2014年11月 1 Power Electronic Circuit and System 2 CH1: IntroductionCH1: Introduction CH1: Introduction 1.1 Definition 1.2 Introduction to power processing 1.3 Some applications 1.4 Elem
2、ents of PE system Summary of the course Power Electronic Circuit and System 3 1.1 Definition1.1 Definition CH1: Introduction 本科生“电力电子技术”的后续课。 利用电路理论，现代微电子技术，计算机技术， 现代控制理论，大规模集成电路技术，电力系 统理论，实现电能各种形式之间的变换，以实 现满足不同用电要求的目的。 要求：要求：认真听讲、必要笔记、善于思考、遵守纪律认真听讲、必要笔记、善于思考、遵守纪律 Power Electronic Circuit and System
3、 4 CH1: Introduction Control, energy, and power electronics are interrelated 1.1 Definition1.1 Definition Power Electronic Circuit and System 5 CH1: Introduction 功率范围大 应用范围广 涉及到的学科多 理论与实践密切相联 发展迅速（几乎每一项与电气工程相关的技术进步都 会推进电力电子技术的发展）。 1.1 Definition1.1 Definition Characteristics of power electronicChara
4、cteristics of power electronic Power Electronic Circuit and System 6 6 1.2 Introduction to power processing1.2 Introduction to power processing CH1: Introduction Power Electronic Circuit and System 7 7 7 Control is invariably requiredControl is invariably required CH1: Introduction Power Electronic
5、Circuit and System 8 8 8 High efficiency is essentialHigh efficiency is essential CH1: Introduction Power Electronic Circuit and System 9 9 A high efficiency converterA high efficiency converter CH1: Introduction Power Electronic Circuit and System 10 10 10 10 Devices available to the system designD
6、evices available to the system design CH1: Introduction Power Electronic Circuit and System 11 11 11 11 CH1: Introduction Devices available to the system designDevices available to the system design Power Electronic Circuit and System 12 12 12 12 CH1: Introduction Devices available to the system des
7、ignDevices available to the system design Power Electronic Circuit and System 13 13 13 13 What is ideal switchWhat is ideal switch CH1: Introduction Power Electronic Circuit and System 14 14 14 14 A simple dcA simple dc- -dc exampledc example CH1: Introduction Power Electronic Circuit and System 15
8、15 15 15 A simple but dissipative realizationA simple but dissipative realization CH1: Introduction Power Electronic Circuit and System 16 16 16 16 CH1: Introduction Dissipative realizationDissipative realization Power Electronic Circuit and System 17 17 17 17 Use singleUse single- -pole doublepole
9、double- -throw (SPDT) switchthrow (SPDT) switch CH1: Introduction Power Electronic Circuit and System 18 18 18 18 The switch changes the dc voltage levelThe switch changes the dc voltage level CH1: Introduction Power Electronic Circuit and System 19 19 19 19 Addition of low pass filterAddition of lo
10、w pass filter CH1: Introduction Power Electronic Circuit and System 20 20 20 20 Addition of control systemAddition of control system For regulation of output voltageFor regulation of output voltage CH1: Introduction Power Electronic Circuit and System 21 21 21 21 Boost converterBoost converter CH1:
11、Introduction Power Electronic Circuit and System 22 22 22 22 SingleSingle- -phase inverterphase inverter CH1: Introduction Power Electronic Circuit and System 23 23 23 23 1.3 Some applications1.3 Some applications CH1: Introduction Power Electronic Circuit and System 24 24 24 24 A laptop computer po
12、wer supply systemA laptop computer power supply system CH1: Introduction Power Electronic Circuit and System 25 25 25 25 Power system of an earthPower system of an earth- -orbiting spacecraftorbiting spacecraft CH1: Introduction Power Electronic Circuit and System 26 26 26 26 Electric vehicle power
13、and drive systemElectric vehicle power and drive system CH1: Introduction Power Electronic Circuit and System 27 27 27 27 DirectDirect- -inin- -line wind turbine systemline wind turbine system CH1: Introduction Power Electronic Circuit and System 28 CH1: Introduction Power electronics incorporates c
14、oncepts from the fields of analog circuits electronic devices control systems power systems magnetics electric machines numerical simulation 1.4 Elements of power electronics system1.4 Elements of power electronics system Power Electronic Circuit and System 29 Integration, Integration, Integration!I
15、ntegration, Integration, Integration! Wind Power Integration to provide “cost- effective & easy-for-applications” modular solution! Electronics (Microelectronics + Power Electronics) Magnetics Thermal Mechanical Software (Communication + Control + Intelligence) Power Electronic Circuit and System 30
16、 Summary of the courseSummary of the course CH1: Introduction 1.Principles of steady state converter analysis-1.5h 2.Steady-state equivalent circuit modeling, losses, and efficiency-2h 3.Switch realization-1h 4.Direct and indirect converter-1h 5.Converter circuits-2h 6.Systems and applications of power electronics-14h 7.*Microgrids by Suleiman M. Sharkh-8h 8.Examination-2h Power Electronic Circuit and System 31 Systems and applications
