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| Content Provider | IET Digital Library |
|---|---|
| Author | Wu, Junyong Chen, Qichao Du, Mingjun Yu, Shuqin |
| Abstract | The authors propose a novel sliding-mode variable structure controller for cascade STATic var COMpensator (STATCOM), which integrates the direct feedback linearisation control for the balanced system and the individual phase instantaneous current tracking control for the unbalanced system, to achieve a versatile STATCOM controller. It can adapt automatically to various distribution system conditions. Based on the degree of system unbalance, the authors design a switching function to make the STATCOM work reliably with satisfactory performance, when the serious voltage sag occurs or the distribution system enters serious asymmetrical condition. The authors also propose a hierarchical DC-link voltages balance control strategy. The authors build a detailed ± 10 MVar STATCOM model with power system CAD and electro magnetic transient in DC system (PSCAD/EMTDC) and validate the effectiveness and advantage of the proposed control strategy with the simulation study. |
| Starting Page | 343 |
| Ending Page | 352 |
| Page Count | 10 |
| ISSN | 17554535 |
| Volume Number | 6 |
| e-ISSN | 17554543 |
| Issue Number | Issue 2, Feb (2013) |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/iet-pel/6/2 |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/iet-pel.2012.0220 |
| Journal | IET Power Electronics |
| Access Restriction | Open |
| Rights Holder | © The Institution of Engineering and Technology |
| Subject Keyword | Asymmetrical Condition Cascade Static Var Compensator Control of Electric Power System Control System Analysis Control System Synthesis Current Control Degree of System Unbalance Direct Feedback Linearisation Control Distribution System Condition Electric Current Control Feedback Harmonics Hierarchical DC-link Voltage Balance Control Strategy Individual Phase Instantaneous Current Tracking Control Linear System Multivariable Control System Other Power Apparatus And Electric Machine Phase And Gain Control Phase Control Position Control Power Supply Quality PSCAD-EMTDC Sliding-mode Variable Structure Controller Static VAr Compensators Switching Function Design Synthesis Method Time Varying Control System Time Varying System Variable Structure System Versatile STATCOM Controller Voltage Control Voltage Sag |
| Content Type | Text |
| Resource Type | Article |
| Subject | Electrical and Electronic Engineering |
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