PEREC Other classifications Current-driven(current-controlled)devices power electronic devices Voltage-driven(voltage-controlled)devices (Field-controlled devices) Pulse-triggered devices power electronic devices Level-sensitive(level-triggered) devices Unipolar devices(Majority carrier devices) power electronic devices Bipolar devices Minority carrier devices) Composite devices
Power Electron cs i 11 Other classifications Other classifications power electronic devices power electronic devices Pulse -triggered devices triggered devices Level -sensitive (level sensitive (level -triggered) devices triggered) devices power electronic devices power electronic devices power electronic devices power electronic devices Current Current-driven (current driven (current -controlled) devices controlled) devices Voltage Voltage -driven (voltage driven (voltage -controlled) devices controlled) devices (Field -controlled devices) controlled devices) Unipolar Unipolar devices (Majority carrier devices) devices (Majority carrier devices) Composite devices Composite devices Bipolar devices (Minority carrier devices) Bipolar devices (Minority carrier devices)
PEREC Major topics for each device 4+ Appearance, structure, and symbol 4 Physics of operation Static characteristics 4 Characteristics Switching characteristics 命 Specification 4 Special issues 4 Devices of the same family 12
Power Electron cs i 12 Major topics for each device Major topics for each device Appearance, structure, and symbol Appearance, structure, and symbol Physics of operation Physics of operation Characteristics Characteristics Specification Specification Special issues Special issues Devices of the same family Static characteristics Static characteristics Devices of the same family Switching characteristics Switching characteristics
PeRec Passive components in power electronic circuit 4 Transformer, inductor, capacitor and resistor these are passive components in a power electronic circuit since they can not be controlled by control signal and their characteristics are usually constant and linear 4 The requirements for these passive components by power electronic circuits could be very different from those by ordinary circuits
Power Electron cs i 13 Passive components in power electronic Passive components in power electronic circuit circuit Transformer, inductor, capacitor and resistor: Transformer, inductor, capacitor and resistor: these are passiv these are passiv e component components in a power electronic s in a power electronic circuit since they can not be controlled by control signal and circuit since they can not be controlled by control signal and their characteristics are us their characteristics are usually constant and linear. ually constant and linear. The requirements for these pa The requirements for these passive components by power ssive components by power electronic circuits could be very different from those by electronic circuits could be very different from those by ordinary circuits. ordinary circuits
PEREC 1.2 Uncontrolled device power diode Appearance K K Structure Symbol A Anode HPNHCathode Anode Cathode
Power E l ect r o n cs i 14 1.2 Uncontrolled device Power diode Uncontrolled device Power diode Appearance Appearance Structure Structure Symbol Cathode Cathode A K Anode Anode
PEREC PN junction Direction of inner electric field 9|⑥1④ Space charge p region potential barrier region) n regi 4 Semiconductor(Column IV element, si) 4 Electrons and holes Pure semiconductor(intrinsic semiconductor) 4 Doping, p-type semiconductor N-type semiconductor 步 PN junction 4 Equilibrium of diffusion and drift 15
Power Electron cs i 15 PN junction PN junction 。- 。- 。- 。- 。- 。- 。- 。- 。- 。- 。- 。- 。- 。- 。- ·+ ·+ ·+ ·+ ·+ ·+ ·+ ·+ ·+ ·+ ·+ + · ·+ ·+ ·+ - + - + - + - + - + p r egion n region Dire ction of inner electric field Space charge region (de pletion region, p otential barrier region) Semiconductor (Column IV element, Semiconductor (Column IV element, Si) Electrons and holes. Electrons and holes. Pure semiconductor (intrinsic semiconductor) Pure semiconductor (intrinsic semiconductor) Doping, p Doping, p -type semiconductor. N type semiconductor. N -type semiconductor type semiconductor PN junction PN junction Equilibrium of diffusion and drift Equilibrium of diffusion and drift