What is it about?
This paper presents a simple analog controller for grid-tied single-phase boost inverter. one-cycle control is a proper control method with easy implementation. It can be implemented in an analog circuit with fewer components. To connect the inverter to the grid, the inverter reference voltage is manipulated by following the model derivation of the grid-connected equivalent circuit. Thus, the maximum active power can be delivered to the grid with unity power factor and low level of injected current THD.
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Why is it important?
Actually, a grid-connected inverter needs a complicated model for the designed controller. Here, an analog controller is also able to be implemented in a grid-connected inverter where the power conversion is only required single-stage of dc-ac converter.
Perspectives
In my view, it is the first paper that presents an analog controller for the grid-connected inverter. However, this work can be extended for the better performance of the system, i.e. implementing hybrid control and using ZVS technique.
Irwan Purnama
Indonesian Institute of Sciences (LIPI)
Read the Original
This page is a summary of: One cycle controlled grid-tied differential boost inverter, IET Power Electronics, September 2016, the Institution of Engineering and Technology (the IET),
DOI: 10.1049/iet-pel.2015.0611.
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