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In this paper, a novel liquid metal current limiter (LMCL) is proposed allowing for the large rated current and considerable fault current energy dissipation in DC power system. According to this topology, the LMCL consists of a fast switch and several liquid metal current limiting units in parallel. Firstly, a simulation model of this LMCL is built to calculate the fault current commutation process...
In this paper, the EMI (Electro-Magnetic Interference) noise caused by the switching of the Superjunction DMOS in the flyback converter system is investigated. It is found that the radiation noise during the turn-on process is more severe than that during the turn-off process, and the turn-on behavior is not just affected by the CGS (gate source capacitance) and RG (gate driving resistance). To prove...
In this paper, a IGBT with Shallow P-well region at the emitter side (SP-IGBT) is proposed and compared with the Injection Enhanced Gate control Transistor (IEGT). The proposed SP-IGBT structure features that there are numerous shallow p-wells locate between the segmented p-body regions. Meanwhile, the shallow p-wells are covered by the planar poly gate. As a consequence, there exist many parasitic...
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