期刊
IEEE TRANSACTIONS ON POWER ELECTRONICS
卷 28, 期 10, 页码 4603-4611出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TPEL.2013.2237790
关键词
AC module; bidirectional power transfer; cycloconverter; dc-ac power converters; distributed power generation; double line-frequency ripple; grid-connected PV systems; high-frequency ac-link; module integrated converter (MIC); multiport circuit; photovoltaic (PV) inverter; photovoltaic power systems; resonant power converters; single-phase energy storage; single-phase inverters; single-stage inverters; switching circuits; zero voltage switching
Module integrated converters (MICs) have been under rapid development for single-phase grid-tied photovoltaic applications. The capacitive energy storage implementation for the double-line-frequency power variation represents a differentiating factor among existing designs. This paper introduces a new topology that places the energy storage block in a series-connected path with the line interface block. This design provides independent control over the capacitor voltage, soft-switching for all semiconductor devices, and the full four-quadrant operation with the grid. The proposed approach is analyzed and experimentally demonstrated.
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