The electronics power conversion circuit that convert and control electrical power, use Power Semiconductor devices. These devices operate in the switching mode, which causes the losses to be reduced and therefore the conversion efficiency is to be improved. However the disadvantages of switching mode operation are the generation of harmonics and the fact that the converter system tends to be more complex.
Power Semiconductor Devices are classified
i. Power Diode
ii. Power bipolar junction transistor
iii. Power MOSFET
iv. Insulated gate bipolar Junction transistor
v. Thyristors
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