Direct Active-Reactive Power Control of Three Phase PWM Rectifier
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Date
2020
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Gazi University Journal of Science Part C: Design and Technology
Abstract
In this study, simulation and experimental studies of direct power control for three phase pulse width modulation (PWM) rectifier circuit application are presented. The main advantage of PWM rectifier circuits over diode rectifier circuits is that the DC voltage and power factor are adjustable. Thus, the harmonic level of currents drawn from the grid can be kept within international standards. In this study, an algorithm was developed for direct power control of PWM rectifier using PI controller. In this way, the active power quality transferred to the load was increased by precisely adjusting the DC voltage on the load. In addition, reactive power support was provided according to the requirement of the grid. Thus, the performance of simulation and experimental studies conducted for the developed direct power transfer algorithm has been proved. Simulation studies were conducted using PSIM program, all control algorithms were written in block C and embedded code was produced by the program. A prototype was designed to transfer 1 kVA of power to verify the developed algorithms.
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Keywords
Direct Power Control, Active-Reactive Power Control, Three-Phase PWM Rectifier, Enhanced PLL