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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Kerekes, T. Teodorescu, R. Liserre, M. |
| Copyright Year | 2008 |
| Description | Author affiliation: Politec. di Bari, Bari (Kerekes, T.; Liserre, M.) || Aalborg Univ., Aalborg (Teodorescu, R.) |
| Abstract | For safety reasons grid connected PV systems include galvanic isolation. In case of transformerless inverters, the leakage ground current through the parasitic capacitance of the PV panels, can reach very high values. A common-mode model based on analytical approach is introduced, used to predict the common-mode behavior, at frequencies lower than 50 kHz, of the selected topologies and to explain the influence of system imbalance on the leakage current. It will be demonstrated that the neutral inductance has a crucial influence on the leakage current. Finally experimental results will be shown for the NPC topology, emphasizing the low leakage current for the case of a grid connection without galvanic isolation. |
| Starting Page | 2390 |
| Ending Page | 2395 |
| File Size | 407293 |
| Page Count | 6 |
| File Format | |
| ISBN | 9781424416653 |
| DOI | 10.1109/ISIE.2008.4677236 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2008-06-30 |
| Publisher Place | UK |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Inverters Leakage current Galvanizing Topology Safety Parasitic capacitance Analytical models Predictive models Frequency Inductance |
| Content Type | Text |
| Resource Type | Article |
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