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Maximizing Solar Potential Using the Differential Grey Wolf Algorithm for PV System Optimization

Energy Engineering 2024年第8期121卷 2129-2142页

作者： Ezhilmathi Nagarathinam Buvana Devaraju Karthiyayini Jayamoorthy Padmavathi Radhakrishnan Santhana Lakshmi ChandraMohan vijayakumar perumal Karthikeyan Balakrishnan Department of Electrical and Electronics Engineering Pandian Saraswathiyadav Engineering CollegeSivagangaiTamil Nadu630561India Department of Electrical and Electronics Engineering Sri Balaji Chockalingam Engineering CollegeArniTamil Nadu632317India Department of Information Science and Engineering New Horizon College of EngineeringBangalore560103India Department of Electrical and Electronics Engineering Rajalakshmi Engineering CollegeChennaiTamil Nadu602105India Department of Electrical and Electronics Engineering Sona College of TechnologySalemTamil Nadu636005India School of Electronics Engineering Vellore Institute of TechnologyChennaiTamil Nadu600127India Department of Electrical and Electronics Engineering Sri Krishna College of Engineering and TechnologyCoimbatoreTamil Nadu641008India

Maximum Power Point Tracking(MPPT)is crucial for maximizing the energy output of photovoltaic(PV)systems by continuously adjusting the operating point of the panels to track the point of maximum power production under changing environmental *** work proposes the design of an MPPT system for solar PV installations using the Differential Grey Wolf Optimizer(DGWO).It dynamically adjusts the parameters of the MPPT controller,specifically the duty cycle of the SEPIC converter,to efficiently track the Maximum Power Point(MPP).The proposed system aims to enhance the energy harvesting capability of solar PV systems by optimizing their performance under varying solar irradiance,temperature and shading *** results demonstrate the effectiveness of the DGWO-based MPPT system in maximizing the power output of solar PV installations compared to conventional MPPT *** research contributes to the development of advanced MPPT techniques for improving the efficiency and reliability of solar energy systems.

关键词： DGWO SEPIC converter MPPT PV module

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Evaluation of antimicrobial properties from the mangrove Rhizophora apiculata and Bruguiera gymnorrhiza of Burmanallah coast,South Andaman,India

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Journal of Coastal Life Medicine 2016年第6期4卷 475-478页

作者： Rajendra Seepana Karthick perumal Narayana Murthy Kada Ramesh Chatragadda Mohanraju Raju vijayakumar Annamalai Department of Ocean Studies and Marine Biology Pondicherry UniversityBrookshabad CampusPort BlairAndaman and NicobarIslands744112India Department of Microbiology Shanmuga Industries Arts and Science CollegeTiruvannamalaiTamil NaduIndia

Objective:To evaluate the antimicrobial potential of partially purified leaf,bark and root extracts obtained from two mangrove species Rhizophora apiculata and Bruguiera gymnorrhiza from South Andaman against clinical bacterial and fungal ***:Roots,bark and leaves were dried in the shade and subjected to organic solvent *** and antifungal activities were performed by agar well diffusion *** purified extracts were analyzed by high performance liquid chromatography for compound ***:Results of the partially purified extracts were analyzed by column *** collected by high performance liquid chromatography exhibited a wide range of antimicrobial activities against several bacterial and fungal *** pathogen Aspergillus niger(25 mm)was found to be more sensitive against the mangrove extracts as compared with Klebsiella pneumoniae(23 mm),Escherichia coli,Shigella flexneri,Salmonella typhi(22 mm).Active fractions were identified as tannin compounds based on the peaks obtained by high performance liquid ***:Present findings reveal that mangrove bark,roots,and leaves contain valuable metabolites,which have significant importance in the pharmacological ***,this study suggests that these two mangrove plants Rhizophora apiculata and Bruguiera gymnorrhiza are potential candidates for discovering antimicrobial compounds against clinical pathogens.

关键词： Andaman Antibacterial activity Bruguiera Rhizophora

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