A Three-Phase Boost-Type Grid-Connected Inverter Based On Synchronous Reference Frame Control



In this paper, a synchronous reference frame (SRF) controlled three-phase boost-type grid-connected inverter with Current Space Vector Modulation (CSVM) is proposed for alternative energy sources regenerations.

The averaged model of the equivalent boost-type inverter on SRF is derived in this paper. With the proposed averaged model, a SRF-PI compensator is analyzed with Bode diagram in frequency domain.

 Hence, the steady-state error tracking of the current can be effectively eliminated and power factor of the inverter can be well controlled under the decoupled d-q SRF control strategies.

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