Power Electronics Technology

The main contents include: the content, history, development, and application of power electronics technology research; the working principles, basic characteristics, and main parameters of semi-controlled and fully controlled power electronic devices ; an introduction to new power electronic devices /modules; the characteristics of current-driven devices Drive technology, drive technology of voltage-driven devices; integrated drive circuits; related technologies of controllable rectifier circuits; drive technology of phase-controlled converter circuits and inverter circuits; concepts of inverter and frequency conversion technology; voltage-type inverter circuits and The basic structure, working principle and characteristics of current-type inverter circuit; switch control of inverter circuit; structure, control method, principle and application of DC chopper circuit; analysis of the structure and working principle of AC voltage regulation and AC power regulation circuit; Introduction to the application of AC voltage regulation and AC power regulation conversion technology in AC speed regulation, industrial heating, reactive power compensation and other fields; the structure, control method, working principle and characteristics of AC and AC frequency conversion circuits, etc.

Courseware download http://download.eeworld.com.cn/download/%E8%80%81%E7%99%BD%E8%8F%9C/584143

• Chapter 1：Characteristics and Classification of Power Electronic Devices (17 minutes and 22 seconds)

• Chapter 2：Main features of power electronic devices (21 minutes and 56 seconds)

• Chapter 3：Development and innovation of power electronic devices (15 minutes and 42 seconds)

• Chapter 4：Semi-controllability analysis of thyristor (13 minutes and 57 seconds)

• Chapter 5：Analysis method of working process of single-phase fully controlled bridge (17 minutes and 28 seconds)

• Chapter 6：Commutation analysis of single-phase bridge semi-controlled rectifier circuit (11 minutes and 11 seconds)

• Chapter 7：Analysis of commutation process of three-phase half-wave controllable rectifier circuit (14 minutes and 24 seconds)

• Chapter 8：Analysis of output voltage of three-phase bridge fully controlled rectifier circuit (11 minutes and 31 seconds)

• Chapter 9：Analysis of commutation process of three-phase fully controlled bridge rectifier (10 minutes and 18 seconds)

• Chapter 10：Working conditions of back electromotive force load (15 minutes and 20 seconds)

• Chapter 11：Effect of transformer leakage inductance on rectifier circuit (13 minutes and 27 seconds)

• Chapter 12：Analysis of uncontrollable rectification of capacitor filtering (16 minutes and 58 seconds)

• Chapter 13：Harmonics and power factor (13 minutes and 42 seconds)

• Chapter 14：Analysis of active inverter working status of rectifier circuit (18 minutes and 2 seconds)

• Chapter 15：Inverter failure and its suppression methods (9 minutes and 23 seconds)

• Chapter 16：The concept of inverter circuit (16 minutes and 1 seconds)

• Chapter 17：Commutation method (6 minutes and 0 seconds)

• Chapter 18：Single-phase voltage inverter circuit (17 minutes and 49 seconds)

• Chapter 19：Three-phase voltage inverter circuit (15 minutes and 31 seconds)

• Chapter 20：DC DC converter circuit concept (13 minutes and 26 seconds)

• Chapter 21：Switching power supply and DC linear power supply (6 minutes and 30 seconds)

• Chapter 22：Volt-second balance and ampere-second balance principles (8 minutes and 22 seconds)

• Chapter 23：Buck chopper circuit (24 minutes and 2 seconds)

• Chapter 24：Buck chopper circuit operating modes (15 minutes and 23 seconds)

• Chapter 25：Other chopper circuits (12 minutes and 57 seconds)

• Chapter 26：Basic concepts of isolated DC-DC converters (8 minutes and 32 seconds)

• Chapter 27：Boost chopper circuit (17 minutes and 2 seconds)

• Chapter 28：Buck-boost chopper circuit (17 minutes and 16 seconds)

• Chapter 29：Single-ended forward converter (15 minutes and 27 seconds)

• Chapter 30：Single-ended flyback converter (13 minutes and 44 seconds)

• Chapter 31：AC power conversion characteristics (14 minutes and 36 seconds)

• Chapter 32：How to adjust the effective value of single-phase alternating current (12 minutes and 38 seconds)

• Chapter 33：Analysis of resistive-inductive load operation of single-phase AC voltage regulating circuit (11 minutes and 16 seconds)

• Chapter 34：How is chopper voltage regulation implemented? (8 minutes and 22 seconds)

• Chapter 35：Power regulating circuit operation mode and power electronic switch (8 minutes and 46 seconds)

• Chapter 36：Analysis of working mechanism of direct AC frequency conversion (19 minutes and 6 seconds)

• Chapter 37：Working principle of three-phase AC frequency conversion circuit (12 minutes and 27 seconds)