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METHOD AND APPARATUS FOR ESTIMATED INDUCTANCE AND CURRENT FEEDBACK CONTROL OF A GRID-CONNECTED INVERTER WITH NONLINEAR INDUCTOR
METHOD AND APPARATUS FOR ESTIMATED INDUCTANCE AND CURRENT FEEDBACK CONTROL OF A GRID-CONNECTED INVERTER WITH NONLINEAR INDUCTOR
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机译:带有非线性电感的并网逆变器的估算电感和电流反馈控制的方法和装置
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摘要
An inverter output current passes from an inverter phase output, through a non-linear inverter side inductor, and into a line that connects through a grid side inductor to a grid phase. An inductance of the inverter side non-linear inductor is estimated, a current passing through the grid side inductor is estimated, and a current through the inverter side inductor is measured. An inverter feeding the inverter output is controlled using a weighted average of the estimated current through the grid side inductor and the inverter side inductor current measurement, applying a weighting using the estimated inductance.
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