Topic 14Main contentsLine-Frequency Diode Rectifiers
Main contents • Line-Frequency Diode Rectifiers Topic 14
Line-FrequencyDiodeRectifiers1Introduction2Single-phase half-wave rectifier3Single-PhaseDiodeBridgeRectifiers5-6Three-Phase,Full-BridgeRectifiers5-7 Comparison of Single-Phase and Three-Phase Rectifiers5-8 Inrush Current and Over voltages at Turn-on
Line-Frequency Diode Rectifiers 1 Introduction 2 Single-phase half-wave rectifier 3Single-Phase Diode Bridge Rectifiers 5-6 Three-Phase, Full-Bridge Rectifiers 5-7 Comparison of Single-Phase and Three-Phase Rectifiers 5-8 Inrush Current and Over voltages at Turn-on
知识点：1、掌握单相桥式二极管整流电路的电路结构、工作原理、特性和输入电流波形分析方法：2、掌握三相桥式二极管整流电路的电路结构、工作原理、特性和输入电流波形分析方法
知识点： 1、掌握单相桥式二极管整流电路的电路结构、工 作原理、特性和输入电流波形分析方法 ； 2、掌握三相桥式二极管整流电路的电路结构、工 作原理、特性和输入电流波形分析方法
5-1lntroduction5-1-1RectifierPower electronic systems, such as Switching dc powersupplies, ac motor drives, dc servo drives generally gettheirpowerfromtheutilitysource（公用电源）DC++1VdVrectifierDCDC+The role of a rectifier is to convert1MVd★ac power into dc power.AC
5-1-1 Rectifier Power electronic systems, such as Switching dc power supplies, ac motor drives, dc servo drives generally get their power from the utility source (公用电源). 5-1 Introduction The role of a rectifier is to convert ac power into dc power. ☆ + Vd - + Vo - DC | DC + Vd - DC | AC M ~ rectifier
Diode rectifiers, the simplest1andinexpensive rectifiers,Vdcommonly be used as theirVsFront-Ends(前端、输入端Fig.5-1blockdiagramdioderectifierCurrent is is highlydistorted, whichhave a deleteriouseffect on the powerquality of the utilitysource.2
6 Current is is highly distorted, which have a deleterious effect on the power quality of the utility source. Fig. 5-1 block diagram diode rectifier vs is id vd Diode rectifiers, the simplest and inexpensive rectifiers, commonly be used as their Front-Ends(前端、输入端)