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| Content Provider | IET Digital Library |
|---|---|
| Author | Shanthi, Pandurangan Uma, Govindarajan Keerthana, Muniyandi Selvanathan |
| Abstract | A new topology and effective power transfer scheme with minimum number of converters is proposed for a grid connected wind/photovoltaic (PV) system. Distributed generation sources considered are permanent magnet synchronous generator (PMSG)-based wind energy conversion system and PV array system. Two voltage source converters with a common DC-link serve as wind side converter (WSC) and grid side converter (GSC), respectively. The PV array is directly tied to the DC link without any power converter providing variable DC-link voltage. The Perturb and Observe technique extracts the maximum power from PV and the DC-link voltage is set to the maximum power point (MPP) voltage of the PV array. The output DC voltage of WSC is regulated to an MPP PV voltage using an outer proportional–integral voltage control loop. The maximum power from the PMSG and stator voltages is utilised to generate the reference currents for WSC to make stator currents to follow stator voltages. With unity power factor control, the overall VA of the WSC would contribute to the active power transfer and thereby reduce the kVA rating of the WSC in the proposed configuration. GSC tracks the maximum power from wind and PV array, and serves as a shunt active power filter to compensate for the current unbalance due to the connection of non-linear loads at the grid. All these functions are accomplished simultaneously. Various power transfer modes of operation are simulated through MATLAB/Simulink software and its results are validated through dSPACE Digital Signal Processor. |
| Starting Page | 1005 |
| Ending Page | 1017 |
| Page Count | 13 |
| ISSN | 17521416 |
| Volume Number | 11 |
| e-ISSN | 17521424 |
| Issue Number | Issue 7, Jun (2017) |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/iet-rpg/11/7 |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/iet-rpg.2016.0592 |
| Journal | IET Renewable Power Generation |
| Publisher Date | 2017-04-11 |
| Access Restriction | Open |
| Rights Holder | © The Institution of Engineering and Technology |
| Subject Keyword | Active Filter Active Power Transfer Control of Electric Power System Distributed Generation Sources Distributed Power Generation DSPACE Digital Signal Processor Effective Power Transfer Scheme Grid Connected Hybrid Wind-photovoltaic System Grid Side Converter GSC Hybrid Power System MATLAB-Simulink Software Maximum Power Point Trackers Maximum Power Point Voltage MPP Voltage Nonlinear Load Other Power Apparatus And Electric Machine Outer Proportional–integral Voltage Control Loop Permanent Magnet Generator Permanent Magnet Synchronous Generator Perturb And Observe Technique Photovoltaic Power System PI Control PMSG-based Wind Energy Conversion System Power And Energy Control Power Control Power Factor Power Filter Power Generation Control Power Grid PV Array System Reference Current Generation Shunt Active Power Filter Solar Cell Array Solar Power Stations Stator Current Stator Voltage Stators Synchronous Generator Synchronous Machine Unity Power Factor Control Variable DC-link Voltage Voltage Control Voltage Source Converter Voltage-source Converter Wind Power Plant Wind Side Converter WSC |
| Content Type | Text |
| Resource Type | Article |
| Subject | Renewable Energy, Sustainability and the Environment |
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