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A three-phase regulated PWM rectifier with on-line feedforward input unbalance correction

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2 Author(s)
Vincenti, D. ; Dept. of Electr. & Comput. Eng., Concordia Univ., Montreal, Que., Canada ; Hua Jin

The analysis and design of a direct six-switch three-phase PWM rectifier, capable of correcting input unbalance, is presented. Based on the input source positive and negative sequence components, an unbalanced transfer matrix in terms of input phase voltages is derived. An online method is used to implement the transfer matrix function and generate the switch gating signals. As compared to other unbalance correction methods, the proposed approach is very simple to implement. It uses only a few discrete analog and digital components. The algorithm of the proposed approach is described in this paper, and results are verified from a 1 kVA breadboard set-up

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Industrial Electronics, IEEE Transactions on  (Volume:41 ,  Issue: 5 )