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In this paper the Continuous Current Mode (CCM) and Discontinuous Current Mode (DCM) operations of a Single-Phase Grid-Tied Inverter are compared regarding efficiency and power density. Main design guidelines and component models are introduced for both operation modes. Optimal design is used to perform the comparative analysis. It was found that for range of switching frequencies from 10kHz to 100kHz,...
Annular microvoids formed by neutron-induced single-event burnout (SEB) in Si power diodes were observed by a slice-and-view technique. The axial symmetry of damage region reflects the spatially isotropic thermal diffusion that occurred. Analytical formulas for the local rise in temperature during SEB were derived from the thermal diffusion equation. The local temperature was found to increase in...
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