Abstract. The Classical PI controllers have been imperatively preferred for the control action of the active compensators in a power distribution system. However, the performance of these controllers is affected greatly by varying parameters and uncertainties in modeling and also high stability issues. In other side fuzzy logic based PI controllers have more robust and accurate appearance. The main intention of this work is to analyze and implementation of an adaptive intelligent controller for DSTATCOM for the expedited in-phase vectorial formulation template with mamdani fuzzy structure. The in-phase de-opposition of the current wave injected by the compensator is able to enhancing power quality features at PCC level. The efficient performance of robust adaptive fuzzy algorithm for the PI gain values are to be controlled by the operation of DSTATCOM. It enforce the non-adaptive control actions in terms of expressive dynamic response, inferior steady state error and achieve good stability with the appreciate dynamic behavior of adaptive intelligent type DSTATCOM under Matlab/Simulink tool.
With a sprit use of non conventional energy generating sources, photovoltaic (PV) array installations are constitute increasingly engaged in so many applications, like distributed energy generation and stand-alone systems, grid connected systems to improve the power quality features. A specific and simple control method is suggested for compensating and improving power quality problems. This paper take part the energy utilizing phenomena occurring in linear power system network differentiate the unbalanced load condition, mitigation of harmonics, and compensating the reactive power. The control strategy is based on the vectorial dual formulation of instantaneous power theory, so that the voltage waveform injected by the active filter is able to compensate the reactive power and the load current harmonics and to balance asymmetrical loads, regulate the voltage profile when disturbances coming from the grid and achieving load condition. The proposed algorithm also improves the bear of the passive filter and also auto tune up the series active power filter maintains to get THD substantially within IEEE-519 standards. The proposed method is enormously evaluated with improved dynamic behavior of HMFC Topology using MATLAB/SIMULINK Platform.
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