Abstract
In this paper a detailed investigations of different control strategies for boost type of three-phase bridge PWM rectifiers has been presented. Modelling and simulation of control strategies for three phase boost rectifier such as Voltage Oriented Control, Direct Power Control and Direct Power Control with Active Filtering technique are presented and compared their performance with respect to Total Harmonic Distortion (THD), dynamic response and parameter sensitivity. From the analysis of simulations of all these control strategies, it is found that control strategy based on virtual flux (Direct Power Control), instead of the line voltage vector orientation (Voltage Oriented Control) provides lower harmonic distortion of line current and leads to line voltage sensor-less operation.
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