The introduction of several small and large-scale industries, malls, shopping complexes, and domestic applications has significantly increased energy consumption. The aim of the work is to simulate a technically viable and economically optimum hybrid power system for residential buildings. The proposed micro-grid model includes four power generators: solar power, wind power, Electricity Board (EB) source, and a Diesel Generator (DG) set, with solar and wind power performing as major sources and the EB supply and DG set serving as backup sources. The core issue in direct current to alternate current conversion is harmonics distortion, a five-stage multilevel inverter is employed with the assistance of an intelligent control system is simulated and the optimum system configuration is estimated to reduce harmonics and improve the power quality. The monthly demand for residential buildings is 13-15 Megawatts. So, almost 433 Kilo-Watts (KW) of electricity is required every day, and if it is used for 8 h per day, 50-60 KW of electricity is needed per hour. The overall micro-grid model's operation and performance are established using MATLAB/SIMULINK software, and simulation results are provided. The simulation results show that the developed system is both cost-effective and environment friendly resulting in yearly cost reductions.
In this paper, the wind energy system (WES) is interfaced with the grid system using a permanent magnet synchronous generator (PMSG) with robust control of terminal sliding mode controller (SMC) is proposed. In this system, voltage source inverter (VSI) with three phases has connected in grid side using less resistive losses of LCL filter but without using grid connection transformer. The ZETA converter is utilized to develop the voltage of DC link wind system connected rectifier. The high voltage gain is achieved by using the PWM switching signals for the converter. The grid side VSI is used to provide the reliable, efficient and supplying secure with the power, and it is controlled using the control strategy of terminal sliding mode controller (TSM). The proposed system results are verified, and the TSM control’s achievement is based on VSI, which is connected in the grid side validated using MATLAB/Simulink.
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