Online ISSN: 2515-8260

Keywords : Grid


Dynamic modelling of a multi terminal fuzzy logic controller for electric vehicle charging plants based on hybrid energy system

S RENUKA; G V K MURTHY; D PRASAD; K VENKATESWARLU3; K V NARAYANA3

European Journal of Molecular & Clinical Medicine, 2020, Volume 7, Issue 4, Pages 793-803

Electric vehicles (EVL) are eventual increase along hybrid energy electric vehicles also lead require foe rapid charging. Rapid charging needs very huge power dynamics, these rapid charging’s not sustained by normal electrical utility. In this manner, the utilization about to renewable energy sources close by the electrical network by EVL charging endures growing territory of intrigue. In this work, a photovoltaic (PV) renewable source is utilized to help huge dynamic power EVL charging’s. Be that as it may, PV output is an irregular control about to subject to the climate situations. In this way, renewable PV energy source is combined to battery to store the energy and it tied with grid for rapid dynamics, giving the consistent source to on location EVL rapid charging about to sustainable power source positioned for quick charging stations, PV established quick recharging plants concern with cost adequate, if number of EVL s connected to grid this can very efficient, reliable and cost effective also for rapid rate of charging plants. Be that as it may, quick charging plants, particularly super-quick charging plants may give pressure power network within probable over-burden at cresting time, unexpected power stress along with voltage droop. In this paper examines the complete model for multi connection converters established to EVL recharging plants constructed along to PV power plants with storage system like battery. In this project, fuzzy logic control plan along with PV generation, EVL rapid recharging plants along with energy storage device implemented to enhanced adjustment in addition to power droop variations, and compensations of voltage sag. Therefore, in the impact of grid power in decreased because of the coordinating comparing every day recharging request and satisfactory daytime PV power production. Different charging methods are introduced to EVL charging using PV combination of storage system analyses in MATLAB simulations results.

Modeling And Simulation Of A Three Phase Grid Connected Photovoltaic System

M. Vinay Kumar; U. Salma

European Journal of Molecular & Clinical Medicine, 2020, Volume 7, Issue 5, Pages 244-261

The need for electrical energy is increasing day by day and the required surplus electrical energy is supplied by renewable energy sources (RES). The usage of RES is a solution to save the fossil fuel reserves for the future generations to come and it also protects the environment. Solar energy as RES has number of advantages like freely available, pollution free, etc., Solar energy is converted to electrical energy using solar photovoltaic (PV) system, it has number of advantages and few challenges too. The generated voltage depends upon solar irradiation and operating temperature. Number of PV systems connected to the grid is ever increasing and this is leading to number of challenges like voltage quality, power quality, islanding etc., and these have to be increased. Solar PV system is used as distributed generator (DG). These DG’s help in supplying the additional electric power demand, improve the power quality, reduce the distribution losses, etc., This paper presents mathematical modeling of PV cell, DC/DC converter, inverter and maximum power point (MPP) controller. The discussed model is designed with Simulink block libraries and done in Matlab/Simulink software. Simulations are done and the results are deliberated and discussed.