e-Learning

Motor Control Basics(1) What is an electric motor?

Let's look at the rotation mechanism of electric motors and classification of electric motors

2:47

Motor Control Basics(2) The mechanisms of brushed and brushless motors

Let's look at the basic structure and difference of brushed and brushless DC motors.

2:30

Motor Control Basics(3) How to control a brushed motor

Let’s look at how brushed DC motors work, and how they are controlled.

3:40

Motor Control Basics(4) How to control a brushless motor

Let’s look at how brushless DC motors work, and how they are controlled.

3:41

Motor Control Basics (5)Features of Stepping Motor

3:25

Motor Control Basics (6)Principle of Rotation and Excitation System on Stepping Motor

6:04

Motor Control Basics (7)Control system of Stepping Motor (8)Safety Functions of Motor Driver

3:37

[e-Learning] History of Power Supplies (AC-DC Converter) - Basics of Switching Power Supplies (1)

​The transition from the early AC / DC power supply to the switching power supply will be explained including the circuit operation.

4:20

[e-Learning] Harmonics - Basics of Switching Power Supplies (2)

We explain the overview of the electric power grid, the factors and the influences of harmonic distortion of electric power generated at each household and factory in use.

4:15

[e-Learning] Noise and EMC Regulations - Basics of Switching Power Supplies (3)

It explains the main factor of EMI generated by the power supply, the difference between conduction noise and radiation noise and its measurement method.

3:56

[e-Learning] Power Factor Correction (PFC) - Basics of Switching Power Supplies (4)

We will describe reactive power, apparent power, apparent power and the cause of deterioration of power factor. As a remedy, CCM and CRM of the power factor correction circuit (PFC) will be explained.

7:03

[e-Learning] Full Bridge Converter - Basics of Switching Power Supplies (5)

For the full bridge type DC - DC converter, we explain the operation by dividing the hard switching type and phase shift type separately. We will also refer to soft switching used for phase shift type.

16:20