This article proposes the Wireless Power transfer technique in electric vehicle charging using the Dual Active Bridge (DAB) system. The source end of the primary coil is connected with a constant high-frequency DC-DC converter with capacitive compensation, and the secondary coil is connected with capacitive compensation in moving electric vehicles (EVs). A transformer is used to improve the input power, and a compensating capacitor is used to reduce the amount of current leakage. Here the FOPID controller is regulated using Harris Hawks Optimization (HHO) Algorithm which is based on the SOC balancing technique. The analysis of the proposed topology for three different vehicles with different power classes is described in detail. The proposed system is implemented, and output performance will be analyzed in MATLAB/SIMULINK.
Some physico-chemical properties of hyperbranched poly([1,2,3]-triazol- -[1,3,5]-triazine)s synthesized by thermal azide-alkyne cycloaddition of AB2 and A2B monomers were studied by DSC, TGA, SEC and other methods. Density, thermal stability, shock and friction sensitivity were determined. The combustion heat of monomers and polymers, which was also defined, was used to compute their heat. The thermodynamical compatibility of polymers with various plasticizers was investigated by the micro-interference method in the temperature range from 20 °C to 100 ° C. The phase state diagrams were plotted based on the mutual solubility of polymers with plasticizer’s data. The interdiffusion coefficients were found in a wide range of temperatures and solution compositions of investigated systems. Hyperbranched poly([1,2,3]-triazole-[1,3,5]-triazine)s are the perfect building blocks for the creation of innovative energy materials because of their unique features.
The high electrical conductivity of carbon nanotubes(CNTs) has motivated their incorporation into polymers for several purposes, including electrical conductivity enhancement and sensing. Some studies have suggested that thin films of CNT/polymer composites canbeused for humidity sensing. This study focuses on the influence of humidity on the electrical conductivity of CNT modifie depoxy composite. The degree of sensitivity to the humidity of the developed composite is compared to other sensing capabilities (strain and temperature). It was found that a change in humidity from 5% relative humidity (RH) to 95% RH can cause an 80% reduction in conductivity. This significant reduction must be considered if a CNT-based strain sensor is to be developed. A gauge factor of 3.7 was obtained for CNT-epoxy strain sensor suggesting ~4% change in conductivity as a result of 1% strain. This suggests that a modest change in humidity can completely compromise the accuracy of CNTbased strain sensors.
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