PURPOSE Single-port laparoscopic splenectomy has been performed sporadically. The aim of this study is to assess our experience with single-port laparoscopic splenectomy compared to conventional multiport laparoscopic surgery for the usual treatment modality for various kinds of splenic disease. METHODS Between October 2008 to February 2014, 29 patients underwent single-port laparoscopic sple...

The integration of renewable energy sources (RES) as distributed generation units to the power grid has been accelerated by rising demand for and growing concern over environmental effects conventional sources. At same time, modern electric vehicles (EV) are demonstrating a promising ability decrease consumption fossil fuels. issues related combination various fulfil load requirements can be so...

Wide-scale adoption and projected growth of electric vehicles (EVs) necessitate research development power electronic converters to achieve high power, low-cost, reliable charging solutions for the EV battery. This paper presents a comprehensive review off-board chargers that consist ac-dc dc-dc stages from network Although are categorized into two types, namely, on-board chargers, it is essent...

Solar energy can be captured by Photovoltaics (PV) and converted into electrical power. This power then connected to grids electronic converters, which also operate the PV panels at around their maximum point (MPP), maximizing harvested energy. When are in an array, partial shading effect generates a distortion of curve result loss since tracking algorithms might not able detect MPP. To solve t...

| Recent high-performance microprocessors have two or more functional units (FUs) to exploit instruction-level parallelism. To make full use of this capability, multiport register les are generally used. However, conventional multiport register les need a considerable amount of hardware. This paper proposes a multiport register le scheme, which uses time-division multiplexing with wave pipelini...

Decomposition rules are derived for multiport-transformers, -resistors, -storage elements and -gyrators into land 2-port elements, junctions and bonds. It appears that it is useful to extend the vectorbond, or rather multibond, notation recently proposed by the author with a “multibond array”. Canonical forms are introduced on the basis of minimal realization, because decompositions of multipor...

Using a multiport converter to integrate renewable energy and storage into the bipolar dc bus is desirable solution due its high efficiency reliability. In this article, series of output active rectifiers with center-tapped winding proposed serve as secondary rectification circuits. Then, family isolated four-port converters symmetrical outputs further developed storage. The can achieve single-...

Triple active bridge (TAB) as an isolated multiport converter is a promising integrated energy system for smart grids or electric vehicles. This article aims to derive and analyze zero voltage switching (ZVS) regions of TAB, in which both losses are reduced, electromagnetic interference issues mitigated. In the proposed closed-form solution ZVS criteria, parameters such parasitic capacitance sw...

The increasing significance of renewable power systems with diverse sources has produced an unexpected demand for electronic converters to integrate and simultaneously control, various energy resources, storage devices. voltage-current characteristics the voltage levels storage, as well generating systems, are naturally from those loads. Hence, employed transform plants meet total demand, enabl...