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Nowadays, DSP based design for power electronics system is rapidly increasing and the design complexity with advanced algorithm is more complex than before. Even two or three power converter stages are combined in a single system. Accordingly, a lot of considerations such as switching frequency, rated current, rated voltage, passive components and controller gains make it hard for engineer to design...
The three-phase Inverter system using single phase grid line should combine the Inverter circuit with PFC(Power Factor Correction) circuit because of improving the Power Factor and Power Efficiency. In order to design the system at home appliance as a low-cost application, nowadays the non-isolated design is mainly used for this Inverter system. In this case, the wrong designed PCB produces an unwanted...
In this paper proposed highly efficiency PSU(Power Supply Unit) for server power supply. To minimize power conversion loss, PFC(Power Factor Collection) circuit was designed into Bridgeless PFC using two switching components with 2 SiC diodes, and synchronous rectifier switching method was applied. An isolated DC/DC converter used LLC SRC(Series Resonance Converter) to increase power efficiency and...
The unipolar gate driving method provides a low cost and simple solution for inverter system design. However, the unipolar gate driving can cause issues like ‘parasitic oscillation’ during turn-on of power switches and ‘unintended parasitic turn-on’ caused by the Miller-effect of power semiconductors. Hence the maximum value of gate resistance has to be limited. To overcome the above mentioned issues,...
This paper discusses the new approach of Motion-SPM™ product in µMini-DIP SPM® package, which are fully optimized intelligent integrated IGBT inverter modules for home appliances motor drive applications. This module offers a sophisticated, integrated solution and tremendous design flexibility. It utilizes advanced NPT IGBT with the advanced STEALTH™ diode and highly integrated building block, which...
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