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Due to the limitations in the operating conditions of the conventional silicon (Si) power device based dc-dc buck converters as well as its notable power losses, there is an increased interest and need to exploit the promising features of wide bandgap power devices toward more efficient converters. This paper presents the design of an efficient, high performance and reliable non-isolated dc-dc buck...
The wind power converter alternative evaluation is a key aspect in decision making process in wind energy conversion system (WECS) planning and design. This work developed the life-cycle cost analysis (LCCA) model for wind power converter with a case study on a 2 MW system considering two semiconductor device alternatives: silicon (Si) devices and silicon carbide (SiC) devices. The developed LCCA...
In this paper, a closed-form physics-based surface potential approach is proposed to derive a compact model for current in high-frequency and high-power LDMOS transistors. For this purpose, we have modeled the drift region with three variable resistors. Effects of velocity saturation in the channel as well as the quasi-saturation due to the existence of the N-Drift region have been taken into account...
In this paper, we introduce the possible texturing methods and their effects on the performance of multicrystalline silicon solar cells. A 2-D process and device simulator is used for this purpose and the resultant efficiency increase is studied. The optimized texturing angel is deducted by theoretical calculations of ray tracing. Theoretical calculations show that the best texturing angle to have...
In 2012, IEEE Std 802.15.6 was defined for short-range, wireless communications in the vicinity of, or inside, a human body. This paper mainly proposes a novel synchronization algorithm for the IR-UWB receiver targeting IEEE 802.15.6 Standard according to the characteristics of Kasami sequence in the UWB synchronization header. One Kasami sequence can be chosen as the template which is multiplied...
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