2020 Volume 140 Issue 3 Pages 130-139
This paper proposes a zero voltage switching (ZVS) method for a bidirectional isolated DC to three-phase AC converter with an indirect matrix converter. The phase shift control method is applied to a primary side converter and a secondary side converter to achieve ZVS and to generate a zero voltage period at the DC-link. A grid current is controlled by the three-phase converter with pulse density modulation based on delta-sigma modulation. From the experimental results, the proposed method reduces switching losses of the whole converter with the bidirectional operation. It is confirmed that the prototype circuit achieves a maximum efficiency of 95.0% with the discharge and charge mode. In addition, the grid current total harmonic distortion is lower than 5.0%.
The transactions of the Institute of Electrical Engineers of Japan.C
The transactions of the Institute of Electrical Engineers of Japan.B
The transactions of the Institute of Electrical Engineers of Japan.A
The Journal of the Institute of Electrical Engineers of Japan
