Abstract
The advent of renewable energy resources and distributed energy systems herald a new set of challenges of power quality, efficient distribution, and stability in the power system. Furthermore, the power electronic converters integration has been increased in interfacing alternate energy systems and industries with the transmission and distribution grids. Owing to the intermittency of renewable energy resources and the application of power electronic converters the power distribution faces peculiar challenges. The dead-time effects are among the main challenges, which leads to the distortion of third harmonics, phase angle, torque pulsation, and induction motor current, causing severe quality problems for power delivery. To tackle these problems, this paper proposes a novel dead time compensation technique for improving the power quality parameters and improving the efficiency of power converters. The proposed model is simulated in MATLAB and the parametric equations are plotted against the corresponding parametric values. Furthermore, by implementing the proposed strategy, significant improvements are attained in the torque pulsation, speed, and total harmonic distortion of the induction motor. The comparisons are drawn between with and without dead time compensation technique, the former shows significant improvements in all aspects of the power quality parameters and power converters efficiency.
Highlights
The problems at the distribution side of electrical power systems are categorized under the umbrella of power quality problems consisting of distortion in phase angle, voltage waveforms, fundamental current, as well as frequency
The research endeavor successfully models and implements a novel dead time technique rooted in dead time compensation for enhancing the power quality parameters
The overall efficiency improvement of power converters has been achieved from cumulative improvements in several power quality parameters such as sinusoidal load current, phase angle, fundamental voltage
Summary
The problems at the distribution side of electrical power systems are categorized under the umbrella of power quality problems consisting of distortion in phase angle, voltage waveforms, fundamental current, as well as frequency. The secondThe category compensation techniques, theare current direction in is not to this effects of of dead-time parasitic capacitances of power devices important the necessary, andcompensation a complex model of the adaptive voltage compensation algorithm is implemented to context of the method [26]. Attempts to alleviate the effects of dead time The on power parameters, for Section instance, curtailing voltage, for distorting articleconverter is organized as follows: delineatesfundamental the model structure power current quality waveforms, phase andtechnique; third harmonic as well as torque pulsation. The value is dependent on the transistor and is important for the output voltage in DT.The. The partial correction method essentially builds the basis for polarity detection, which is helpful in the improvement of load current waveform, the magnitude of fundamental voltage, phase angle, third harmonic distortion, and induction motor parameters such as current waveform, torque pulsation, and speed. Albeit many shortcomings are concomitant with this method; the current settles at zero at the point of disturbance
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