Analysis and Design of Grid-Tied Inverter With LCL Filter
نویسندگان
چکیده
منابع مشابه
LCL Filter Design and Performance Analysis for Grid Interconnected Systems
-The use of power converters is very important in maximizing the power transfer from renewable energy sources such as wind, solar, or even a hydrogen-based fuel cell to the utility grid. A LCL filter is often used to interconnect an inverter to the utility grid in order to filter the harmonics produced by the inverter. Even though there is an extensive amount of literature available describing ...
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Three-level gird-connected converter is used more and more widely in renewable energy generation system. At the same time LCL filter is also widely utilized in order to achieve lower current harmonic. However, current research about LCL filter is mostly aimed at two-level inverter. The study involving multilevel inverter is much less. When using space vector pulse width modulation, Current tran...
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Many grid connected power electronic systems, such as STATCOMs, UPFCs, and distributed generation system interfaces, use a voltage source inverter (VSI) connected to the supply network through a filter. This filter, typically a series inductance, acts to reduce the switching harmonics entering the distribution network. An alternative filter is a LCL network, which can achieve reduced levels of ...
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As to the concrete topology of three-phase LCL type grid-connected inverter with damping resistance, mathematical model was deduced in detail, using method of equivalent transformation to the structure diagram, damping resistance was virtualized, mathematical model under the DQ frame that can realize decoupling control was established, a dual-loop control strategy for grid-connected inverter wi...
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LCL filter has the characteristic of prompt attenuation over the high-frequency range, but the thirdorder control system exits the resonance problem. Nonetheless, the inherent non-linear characteristic and dead-time effects of switching tubes, along with the DC-side voltage secondary pulsation and grid harmonic pollution, arouse a wealth of low-order harmonics injected which is tough to be filt...
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ژورنال
عنوان ژورنال: IEEE Open Journal of Power Electronics
سال: 2020
ISSN: 2644-1314
DOI: 10.1109/ojpel.2020.2995105