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Recently, high performance power switching devices realize high performance power converters. High speed turn-on and turn-off switching causes Electro Magnetic Interference (EMI). EMI filters or shieldings will reduce EMI, however, they usually increase the cost and size of power modules. Authors proposed a new method to reduce high-frequency noise at specific frequency bands with modification of...
This paper presents a power flow control method for contactless power transfer systems. The proposed method is to control the magnitude of the primary track current based on the concept of energy injection and regeneration. The stored energy and resonant current is controlled to vary on the primary side. As a result, the induced current on the secondary side varies. For such a reason, the power flow...
The superior properties of silicon carbide (SiC) power electronic devices compared with silicon (Si) are expected to have a significant impact on next-generation vehicles. When super high-speed switching devises such as SiC-VJFET are operated in a power converter, their high dv/dt rate in the rise time and the fall time causes a high-frequency common-mode current. It is necessary to evaluate the EMI...
Recently, high performance power switching device realize high performance power converter. However, high speed turn-on and turn-off cause Electro Magnetic Interference (EMI). EMI filters or wire shields decrease EMI. However, they take over space of automotive, and cost is expense. Authors proposed a new method to decrease high-frequency noise at specific frequency band with modification of switching...
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