Mô tả

This course introduces you to the basics of Power Electronics including switches, Inverters, DC/DC converters and all that supported by LTSpice. We cover here how to calculate the power dissipation and thermal stresses for different groups of waveforms on switches by hand and using LTspice. That includes sizing the heat sink and enabling you to decide whether active cooling is required. We introduce you to Silicon, Silicon Carbide and Gallium Nitrate switches and the main differences to enable you to choose the best for an application. You will be able to analyse the DC/DC Converters: Buck, Boost, Buck-Boost and inverters and understand how the current flows in a circuit and to derive the steady state relations between the input and the output.

LTSpice is used to validate the calculation and help to calculate a converter efficiency. We use LTSpice to design a closed-loop Buck converter. All that is supported by problem sets and labs. Problem sets are a group of problems that we supply for you to practice your understanding and we supply also the solutions. For the labs we introduce you to some tasks that will help you to conquer LTspice.

We are expecting you to engage totally with the course and give enough time to understand each part and practice the problem sets. I am confident that will be an excellent course for you to understand any more advanced topics in power electronics.

Bạn sẽ học được gì

This course introduces you to the basics of Power Electronics including switches, Inverters, DC/DC converters and all that supported by LTSpice

You will be able to calculate the power dissipation and thermal stresses for different group of waveforms on switches

You will be able to analyse the DC/DC Converters: Buck, Boost, Buck Boost

You will be able to analyse the inverters and the current flow in bridges

You will be able to use LTSpice to test and design different converters and assess its effeciency

Yêu cầu

  • The learner should know basic Electronics

Nội dung khoá học

18 sections

Introduction

2 lectures
Introduction
15:02
Why Power Electronics
17:14

Linear VS Swtiched Operation

3 lectures
Linear Operation
15:55
Switched Operation
11:00
LTSpice for Linear/Switched operation
20:18

Signal Computation

4 lectures
RMS AVG values
17:20
Signals computations
12:27
RMS calculations
31:23
LTSpicr for RMS
15:42

Tutorial 1

4 lectures
Problem Set 1
00:11
Part 1
27:46
Part 2
23:44
Solutions
00:02

Lab 1 Introcution to LTspice

5 lectures
Introduction
03:02
Building first circuit
24:55
IV Curves
14:28
Sources and AC analysis
25:40
Library
08:21

Thermal Consideration

3 lectures
Thermal Consideration Part 1
37:34
Thermal Consideration Part 2
29:30
Thermal Consideration Part 3
15:51

Switching Losses

3 lectures
Switching Losses Part 1
28:52
Switching Losses Part 2
12:31
Switching Losses Part 3
16:29

Lab 2 Effeciency and Thermal Assessment

1 lectures
Lab instructions
20:26

Power Diodes

3 lectures
Power Diodes
15:17
Power Diodes Types
15:20
Diodes in series and parallel
14:58

Power Transistors

4 lectures
BJT Transistors
26:49
Power MOSFET Transistors
25:39
MOSFET considerations
13:13
Gate Drivers
14:46

Inverters

1 lectures
Inverters
29:40

SCRs

2 lectures
Thyristors
16:54
Triacs
17:41

Tutorial 2

4 lectures
Problem Set 2
00:11
Part 1
30:46
Part 2
42:51
Solutions
00:02

DC to DC Converters

6 lectures
Buck Converter Part 1
22:52
Buck Converter Part 2
19:19
Buck Converter Part 3
22:04
Buck Converter Part 4
34:13
Boost Converter
21:16
Buck Boost Converter
25:11

Tutorial 3

3 lectures
Problem Set 3
00:11
Solving Problem Set 3
30:14
Solutions
00:02

Lab 3 Buck Converter in LTspice

5 lectures
Introduction
01:00:11
Task 1
14:20
Task 2
04:12
Task 3
19:38
Task 4
21:59

Lab 4

4 lectures
Task 1
08:53
Task 2
04:55
Task 3
06:44
Task 4
14:11

Extra Simulations

3 lectures
Closed Loop Buck Converter in LTSpice using three different controllers
24:51
Double Pulse Testing of Si and SiC in LTSpice
14:03
How to design a snubber circuit ?
10:43

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