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| Content Provider | IET Digital Library |
|---|---|
| Author | Wang, Ziyu Rasmussen, Theis Bo Yang, Guangya |
| Abstract | In the modern renewable energy system, recent years have seen a rise in the share of power being generated through photovoltaic (PV) plants. In the Danish power system, PV plants are mostly integrated in the medium- and low-voltage networks which are usually operating under unbalanced conditions. Furthermore, the increasing number of power-electronic-based equipment affects the grid during faults through their contribution to the fault current. So far studies of PV plants in unbalanced conditions are based on computational simulations, which have limitations in representing reality. Therefore, this study investigated the performance of a three-phase PV inverter under unbalanced operation and fault conditions. The inverter is tested in stable power system operation and during grid support situations through frequency response and reactive power control. All experiments are carried out using an experimental laboratory platform in PowerLabDK. The key outcomes from this study includes the correlation between positive sequence component of voltage and reactive power, active power and current under unbalanced operation, the frequency response dependence on positive sequence voltage, and the fault current contribution from PV inverter during different fault conditions. |
| Starting Page | 5325 |
| Ending Page | 5329 |
| Page Count | 5 |
| Volume Number | 2019 |
| e-ISSN | 20513305 |
| Issue Number | Issue 18, Jul (2019) |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/joe/2019/18 |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/joe.2018.9308 |
| Journal | The Journal of Engineering |
| Publisher | The Institution of Engineering and Technology |
| Publisher Date | 2019-03-15 |
| Access Restriction | Open |
| Rights License | Creative Commons Attribution License (http://creativecommons.org/licenses/by/3.0/) |
| Subject Keyword | Control of Electric Power System Danish Power System Different Fault Condition Distributed Power Generation Fault Current Contribution Frequency Response Grid Support Situations Invertors Low-voltage Network Modern Renewable Energy System Photovoltaic Plant Photovoltaic Power System Power And Energy Control Power Grid Power System Control Power-electronic-based Equipment PV Plant Reactive Power Control Renewable Energy Source Solar Power Stations Stable Power System Operation Three-phase PV Inverter Unbalanced Condition Unbalanced Operation |
| Content Type | Text |
| Resource Type | Article |
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