Power electronics Chapter I Power Electronic Devices (Part D)
PPoowweerr EElleeccttrroonniiccss Chapter 1 Power Electronic Devices (Part I)
PEREC Outline 1.1 An introductory overview of power electronic devices 1.2 Uncontrolled device-power diode 1.3 Half-controlled device -thyristor 1.4 Typical fully-controlled devices 1.5 Other new power electronic devices 1.6 Drive circuit for power electronic devices 1.7 Protection of power electronic devices 1.8 Series and parallel connections of power electronic devices 2
Power Electron cs i 2 Outline Outline 1.1 An introductory overview of power electronic devices An introductory overview of power electronic devices 1.2 Uncontrolled device 1.2 Uncontrolled device — power diode power diode 1.3 Half 1.3 Half-controlled device controlled device — thyristor thyristor 1.4 Typical fully 1.4 Typical fully -controlled devices controlled devices 1.5 Other new power electronic devices 1.5 Other new power electronic devices 1.6 Drive circuit for power electronic devices 1.6 Drive circuit for power electronic devices 1.7 Protection of power electronic devices 1.7 Protection of power electronic devices 1.8 Series and parallel connections of power electronic 1.8 Series and parallel connections of power electronic devices devices
PERec 1.1 An introductory overview of power electronic devices 4 The concept and features 4 Configuration of systems using power electronic devices ◆C| assifications 争 Major topics 3
Power Electron cs i 3 1.1 An introductory overview of power An introductory overview of power electronic devices electronic devices The concept and features The concept and features Configuration of systems usi Configuration of systems using power electronic devices ng power electronic devices Classifications Classifications Major topics Major topics
PEREC The concept of power electronic devices p Power electronic devices are the electronic devices that can be directly used in the power processing circuits to convert or control electric power 4 In broad sense Vacuum devices: Mercury arc rectifier thyratron, etc.. seldom in use today power electronIc devices Semiconductor devices major power electronic devices 4 Very often Power electronic devices= Power semiconductor devices 4 Major material used in power semiconductor devices Silicon
Power Electron cs i 4 The concept of power electronic devices The concept of power electronic devices Power electronic devices: Power electronic devices: In broad sense In broad sense Very often: Very often: Major material used in power semiconductor devices Major material used in power semiconductor devices —— Silicon Silicon are the electronic devices that can be directly used in the powe are the electronic devices that can be directly used in the power processing circuits to convert or control electric power. processing circuits to convert or control electric power. power electronic devices power electronic devices Vacuum devices: Mercury arc Vacuum devices: Mercury arc rectifier rectifier thyratron thyratron, etc. . seldom , etc. . seldom in use today in use today Semiconductor devices: Semiconductor devices: major power electronic devices major power electronic devices Power electronic devices = Power semiconductor devices Power electronic devices = Power semiconductor devices
PEREC Features of power electronic devices 4 The electronic power that power electronic device deals with is usually much larger than that the information electronic device does Usually working in switching states to reduce power losses p=v=0 Off-state t Current through the device is 0 =v|=0 j=0 5
Power Electron cs i 5 Features of power electronic devices Features of power electronic devices The electronic power that power electronic device The electronic power that power electronic device deals with is usually much larger than that the deals with is usually much larger than that the information electronic device does. information electronic device does. Usually working in switching states to reduce power Usually working in switching states to reduce power losses On-state Voltage across the device is 0 p=vi=0 v=0 Off-state Current through the device is 0 p=vi=0 i=0