As shown in Fig. 3, the four-switch APDC is paralleled with the output side of inverter bridge. The decoupling circuit is composed of switches S1 - S4, decoupling capacitor Cd and decoupling inductor Ld. uCd is the voltage of Cd. iLd is the current flowing through Ld.
Discover the latest articles, books and news in related subjects, suggested using machine learning. Single-phase inverters play a very important role in various applications, However, the double frequency power on the AC side causes a secondary ripple on the DC side, which affects the performance of the entire system .
Through paralleling a four-switch APDC to inverter bridge arm, the loop of secondly ripple power could be shortened. When the small capacity film capacitor is selected in the dc bus side and APDC of the two-stage inverter, the second harmonic component exists in the voltage of the decoupling capacitor.
Hadi Zare M, Mohamadian M, Beiranvand R (2017) A single-phase grid-connected photovoltaic inverter based on a three-switch three-port flyback with series power decoupling circuit. IEEE Trans Industr Electron 64 (3):2062–2071
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Download Citation | A Novel AC Side Four-Switch Power Decoupling Circuit for Single-Phase Inverter | In single-phase inverter, the output voltage and current are both …
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