Flatness-based control of a boost inverter for PV microinverter application
2017 IEEE 8th International Symposium on Power Electronics for Distributed Generation Systems (PEDG)(2017)
摘要
The boost inverter is an attractive solution for photovoltaic (PV) microinverters since it is a single stage architecture. Indeed, in comparison, most of the microinverters topologies consist of two-stage structures, a DC-DC converter for voltage elevation and an inverter for grid connection, resulting in a lower efficiency. The boost inverter consists of two DC-DC boost converters connected in differential mode to the grid. However, due to its high non-linearity behavior the control of this topology is a complex task. To solve this problematic a flatness-based control scheme of the boost inverter is proposed. Simulation results are provided to validate the good behavior of the proposed control scheme for a grid connected PV microinverter.
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关键词
boost inverter,differential flatness,microinverter,photovoltaic
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