[e-Learning] Harmonics - Basics of Switching Power Supplies (2)
4:15
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.
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Play video [e-Learning] Noise and EMC Regulations - Basics of Switching Power Supplies (3)
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It explains the main factor of EMI generated by the power supply, the difference between conduction noise and radiation noise and its measurement method.
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Play video [e-Learning] Bridgeless PFC - Basics of Switching Power Supplies (8)
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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.
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Play video [e-Learning] History of Power Supplies (AC-DC Converter) - Basics of Switching Power Supplies (1)
[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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Play video [e-Learning] Resonant Half Bridge Converter - Basics of Switching Power Supplies (7)
[e-Learning] Resonant 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"
8:57
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Play video [e-Learning] Full Bridge Converter - Basics of Switching Power Supplies (5)
[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.
16:17
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Play video [e-Learning] Power Factor Correction (PFC) - Basics of Switching Power Supplies (4)
[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
