Smart synchronization of Distributed generators with power Grid under transient conditions

Abstract

newline Smart synchronization is a method that can forecast, activate, and newlineexecute control operations automatically. It also can adjust frequency and newlinevoltage. During synchronization under transient conditions, the properties of newlinethe grid are established; harmonics, sag, and swell have an effect on generator newlineoutputs. A combination of factors, including increasing energy consumption newlineand smart grid technologies, has prompted greater cooperation between newlineconventional and alternative energy sources. Initially, this thesis uses the newlinehybrid optimized Proportional Resonant (PR) controller to synchronize a PV newlinegrid-connected system during transient conditions quickly. The proposed newlinesystem is established and administered through the utilisation of a PR newlinecontroller integrated within an optimised stationary reference frame control newlinetechnique. There could be a discrepancy between the observed value and the newlinephase reference when converting alternating current (AC) to AC grid voltage. newlineConsequently, the PR current controller accounts for the consequences of newlineharmonics. By integrating the grasshopper optimisation and Killer Whale newlineOptimisation (KWO) algorithms, the controller is effectively tuned to reduce newlineharmonics. The generator results are synchronized to have a less phase angle, newlinevoltage, and frequency difference. The voltage source inverter was regulated newlineby a PV-based optimised PR controller in order to generate the optimal signal newlinefor rapid synchronisation. The effective PR control parameters are established newlineupon an LC filter that enhances the transient responsiveness of the effect of newlinetotal harmonic distortion. newlineSecondly, the power