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Grid connected Converters for Photovoltaic, State of the Art, Ideas for Improvement of Transformerless Inverters
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| Author(s) |
Fritz Schimpf, Lars E. Norum |
| Abstract |
The paper presents a short overview of the state of the art for grid tied PV inverters at low and medium power
level (1..100 kW), mainly intended for rooftop applications. The inverters are categorized according to the configuration of the PV system, the configuration of the conversion stages within the
inverter and whether they use transformers or not [1], [3].
After the introduction of the state of the art of inverters for PV systems with and without transformers, the paper focuses
on some known problems and challenges for transformerless
inverters. Topologies without transformers have big advantages
like low weight, volume and cost. In addition they often reach higher efficiencies than topologies with transformers. Therefore they are important for future developments. |
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| Filename: | Unnamed file |
| Filesize: | 421.7 KB |
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| Type |
Members Only |
| Date |
Last modified 2008-09-30 by System |
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