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| Content Provider | IET Digital Library |
|---|---|
| Author | Hasanien, Hany M. |
| Abstract | This study presents a novel application of the gravitational search algorithm (GSA) to optimally control a wave energy conversion (WEC) system under different operating conditions. In the WEC system, the generator side converter controls the d-axis and q-axis current of the generator for minimising the generator power losses and extracting the maximum real power from the WEC system, respectively. The DC–DC converter is implemented to maintain the terminal voltage of the DC microgrid. The control of both converters relies on the proportional–integral controllers, which are optimally designed by the GSA through a simulation-based optimisation approach. In that manner, the integral of squared error criteria is used as an objective function. The validity of the WEC system model is verified by comparing its simulation results with the experimental results that extracted from a field test. The effectiveness of the proposed controller is tested when the system is subjected to different operating conditions such as a DC microgrid load disturbance, a temporary DC fault condition, and an irregular wave condition. Moreover, the effectiveness of the proposed controller is compared with that by using the genetic algorithm. The simulation results of the system are extensively carried out using PSCAD/EMTDC program. |
| Starting Page | 763 |
| Ending Page | 770 |
| Page Count | 8 |
| ISSN | 17521416 |
| Volume Number | 11 |
| e-ISSN | 17521424 |
| Issue Number | Issue 6, May (2017) |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/iet-rpg/11/6 |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/iet-rpg.2016.0677 |
| Journal | IET Renewable Power Generation |
| Publisher Date | 2016-12-09 |
| Access Restriction | Open |
| Rights Holder | © The Institution of Engineering and Technology |
| Subject Keyword | Archimedes Wave Swing-based Wave Energy Conversion System Combinatorial Mathematics Control of Electric Power System DC Fault Condition DC Microgrid DC Microgrid Load Disturbance DC–DC Converter Distributed Power Generation Generator Side Converter Genetic Algorithm Gravitational Search Algorithm Gravitational Search Algorithm-based Optimal Control Optimal Control Optimisation Technique PI Control Power Converter Power Generation Control Power Supplies to Apparatus Proportional–integral Controllers PSCAD/EMTDC Program Search Problem Simulation-based Optimisation Approach Squared Error Criteria Uncertain Dynamics Wave Energy Conversion System WEC System |
| Content Type | Text |
| Resource Type | Article |
| Subject | Renewable Energy, Sustainability and the Environment |
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