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Linear diophantine uncertain linguistic-based prospect theory approach for performance evaluation of islanded microgrid-system scenarios

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Clean Energy 2023年第2期7卷 263-282页

作者： Sweta Singh neeraj kanwar Divya Zindani Department of Electrical Engineering Manipal University JaipurIndia Department of Mechanical Engineering Sri Sivasubramaniya Nadar College of EngineeringKalavakkamTamil NaduIndia

Renewable-energy-based hybrid microgrids can aid in achieving one of the United Nations Sustainable Development Goals,i.e.‘Affordable and clean energy’.However,experts may be faced with the challenge of selecting the best one for the electrification of an *** avoid the challenge and realize the ultimate goal of the United Nations,the present study,therefore,proposes a novel pros-pect theory-based decision-making approach to help experts in opting for the best microgrid *** proposed decision-making framework considers the risk appetite of the decision-maker,a quintessential aspect of the *** diophantine uncertain lin-guistic sets are used to model the linguistic evaluations from the *** information from different experts is aggregated using a linear diophantine uncertain linguistic power Einstein-weighted geometric ***,the prospect-theory-based TOmada de Decisao Interativa Multicriterio approach is employed to evaluate the performance of the available microgrid scenarios and hence opt for the best microgrid *** proposed framework has been used to evaluate the performance of seven possible microgrid scenarios and hence select the best one that can be implemented for rural electrification of a remote village in Assam,*** microgrid scenario consisting of a photovoltaic-wind turbine-fuel cell-battery converter(MG_(3))has been revealed to be the best scen-ario among the seven considered microgrid *** validity of the obtained ranking results has been adjudged through a com-prehensive evaluation regarding the attenuation factor and the weights of the ***,previous case studies have also been solved using the proposed methodology and the results reveal a good correlation between the obtained ranking results.

关键词： distributed energy and smart grid energy and environment islanded microgrid

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Optimal distributed generation allocation in radial distribution systems considering customer-wise dedicated feeders and load patterns

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Journal of Modern Power Systems and Clean Energy 2015年第4期3卷 475-484页

作者： neeraj kanwar Nikhil GUPTA K.R.NIAZI Anil SWARNKAR Department of Electrical Engineering Malaviya National Institute of TechnologyJaipurIndia

Distribution system planners usually provide dedicated feeders to its different class of customers,each of whom has its own characteristic load pattern which varies hourly and seasonally.A more realistic modeling should be devised by considering the daily and seasonal variations in the aggregate load patterns of different class of *** paper addresses a new methodology to provide integrated solution for the optimal allocation of distributed generations and network reconfiguration considering load patterns of *** objectives considered are to maximize annual energy loss reduction and to maintain a better node voltage *** algorithm(BA)is a new bio-inspired search algorithm which has shown an advance capability to reach into the promising region,but its exploration is *** problem is solved by proposing the improved BA(IBA).The proposed method is investigated on the benchmark IEEE 33-bus test distribution system and the results are very promising.

关键词： Load pattern Distributed generations Distribution network reconfiguration Improved bat algorithm(IBA) Smart grid

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Structural,optical and dielectric investigations on RECr_(0.85)Mn_(0.15)O_(3)(RE=Ho,Gd and Pr) nanoparticles

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Journal of Rare Earths 2024年第2期42卷 399-408,I0006页

作者： Komal kanwar Sonali Pradhan S.Satapathy Yugandhar Bitla neeraj Panwar Department of Physics Central University of Rajasthan BandarsindrAjmer305817RajasthanIndia Laser Material Section HBNIRaja Ramanna Centre for Advanced TechnologyIndore452013India

We hereby report the room-temperature structural and optical characterization of RECr_(0.85)Mn_(0.15)O_(3)(RECMO,RE=Ho,Gd and Pr) compounds synthesized by the auto-combustion sol-gel *** low temperature dielectric properties are also *** RECMO compounds crystallize in an orthorhombic Pbnm symmetry with an average grain size range of 51-80 *** analysis reveals an increase in the structural distortion compared to that of the undoped bulk *** measurements exhibit a significant reduction in bandgap values for RECMO nanoparticles when compared with their undoped bulk ***,from the absorbance measurements various optical parameters such as skin depth,extinction coefficient,refractive index and optical conductivity were also *** dielectric analysis confirms the lower values of the dielectric permittivity and dielectric loss than those of their corresponding bulk *** conductivity versus frequency and temperature data are fitted according to the Jonscher's power law and Arrhenius law,*** small polaron hopping is responsible for the electric conduction in these *** tunability of the optical and dielectric properties as a result of substitution and particle size reduction makes these materials useful for various potential applications in photocatalysis,optoelectronics and low permittivity dielectrics.

关键词： Rare-earth orthochromites Nanoparticles Optical properties Dispersion parameters Dielectric properties Small polaron hopping

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