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Direct active and reactive power control (DPQ) for a three phase synchronous rectifier

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5 Author(s)

In this paper, the authors present a controller that directly regulates the active and reactive power in a synchronous three-phase boost-type rectifier ensuring good regulation of the output voltage and guaranteeing a close to the unity power factor operation. The controller follows the ideas of the well known direct torque control (DTC) for induction motors. In their case, the active and reactive powers replace the torque and flux amplitude used as the controlled outputs in DTC, thus motivating the name DPQ-control. The authors show that a simple modification to the original algorithm makes the “selection” of the control inputs more accurate. To better visualize this technique, they utilize the concept of output regulated subspaces (ORS). The controller proposed has been tested experimentally and some results are presented here

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Power Electronics Specialists Conference, 2000. PESC 00. 2000 IEEE 31st Annual  (Volume:2 )

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