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Motor Control Basics The mechanisms of brushed and brushless motors
The basic structure of brushed and brushless DC motors, and the differences between the two, will be explained briefly.
2:30
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Motor Control Basics How to control a brushed motor
The operation principle of the brushed DC motor and the control method for the motor will be given brriefly in this video.
3:40
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Motor Control Basics How to control a brushless motor
The operation principle of the brushless DC motor and the control method for the motor will be given brriefly in this video.
3:41
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Motor Control Basics What is an electric motor?
Let's look at the rotation mechanism of electric motors and classification of electric motors
2:47
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[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
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[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
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[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
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[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
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[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
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[e-Learning] About DC-DC Converter - Basics of Switching Power Supplies (6)
We will explain the DC-DC converter classification and forward and flyback circuits in it.
4:52
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[e-Learning] Resonance Half Bridge Converter - Basics of Switching Power Supplies (7)
I will explain the operation of the high efficiency DC-DC converter "Resonant half bridge (LLC) converter"
9:00
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[e-Learning] Bridgeless PFC - Basics of Switching Power Supplies (8)
One method for improving the efficiency of AC / DC converters is bridgeless PFC (BL - PFC). We will explain the advantages and disadvantages (EMC) of BL-PFC compared with conventional PFC in this video.
6:08
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