Topic 2Main contentsLast lecture reviewReality of Inductor and CapacitorDiodeSCRMOSFETIGBT
Main contents • Last lecture review • Reality of Inductor and Capacitor • Diode • SCR • MOSFET • IGBT Topic 2
1.What is Power ElectronicsDefinition ofPower ElectronicsEmeritusProfessoratDuke University,PELS formerchairman Thomas G. Wilson-Powerelectronics is the technologyassociated withthe efficient conversion(3)control and conditioning(4)of electric powerby static means(5)from its available input(1)form into the desired electrical output(2)form
Definition of Power Electronics Emeritus Professor at Duke University, PELS former chairman Thomas G. Wilson —— Power electronics is the technology associated with the efficient conversion(3) , control and conditioning(4) of electric power by static means(5) from its available input(1) form into the desired electrical output(2) form. 1. What is Power Electronics
Blockdiagramofapowerelectronics systemPoweroutput-33Powerinput电源输出黑LoadPowerprocessorReferenceControllerFeedback
Block diagram of a power electronics system Power input Power output Load Power processor Reference Controller Feedback
Inclusionsforpowerelectronics:1)WithStaticmeans-semiconductordevices2)Processingpowerconversionhighefficiently3)Bycontrol orlandconditioning4)Obtaining desired output5)From availableinputFor above mentioned conducting smoothly, there are sometechniques to be settled, such as ---Gate/basedriversLossesSnubbers
Inclusions for power electronics: 1) With Static means - semiconductor devices 2) Processing power conversion high efficiently 3) By control or/and conditioning 4) Obtaining desired output 5) From available input For above mentioned conducting smoothly, there are some techniques to be settled, such as - Gate/base drivers Losses Snubbers
2. Roles of Power ElectronicsApplications of powerelectronics are everywhereanywhere and wherever electricity pervades!Classification of applicationsa. Motor driveb.Power supplyc. Power qualityd.Power systems
Applications of power electronics are everywhere, anywhere and wherever electricity pervades! Classification of applications - a. Motor drive b. Power supply c. Power quality d. Power systems 2. Roles of Power Electronics