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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Testa, A. Scimone, T. De Caro, S. |
| Copyright Year | 2010 |
| Description | Author affiliation: DCIIM - University of Messina, Viale Ferdinando Stagno D’Alcontres 31, Messina, IT98166, Italy (Testa, A.; Scimone, T.; De Caro, S.) |
| Abstract | Small photo-Voltaic generators for residential applications are rapidly spreading all over the world in an effort to reduce polluting emissions. In this kind of applications the AC solar module concept has recently proven to be more advantageous than the conventional string architecture. According to the AC solar module concept, single PV modules are directly connected to the AC grid through a DC/DC converter and an inverter. However, in this case a periodical power unbalance is generated because the power drawn by a single-phase residential grid features a large ripple at twice the fundamental frequency, while PV modules generate a DC power. Such a power unbalance affects the Maximum Power Point Tracking and forces the system to operate under suboptimal conditions and is faced with the introduction of bulky electrolytic capacitors. In this paper a alternative approach is presented enabling a standard DC/DC converter to also act as a power ripple damper, without the introduction of extra power devices. A hybrid PWM/unfolder approach has been also developed to reduce the switching power losses of the inverter connecting the DC/DC converter to the grid. |
| Starting Page | 616 |
| Ending Page | 621 |
| File Size | 683205 |
| Page Count | 6 |
| File Format | |
| ISBN | 9781424449866 |
| DOI | 10.1109/SPEEDAM.2010.5542190 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2010-06-14 |
| Publisher Place | Italy |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Pulse width modulation inverters Pollution Capacitors DC-DC power converters Active filters Frequency DC generators Solar power generation Mesh generation Power generation |
| Content Type | Text |
| Resource Type | Article |
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