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| Content Provider | IET Digital Library |
|---|---|
| Author | Lu, Chao Zhao, Yi Men, Kun Tu, Liang Han, Yingduo |
| Abstract | The interconnection of regional power grids has resulted in inter-area low-frequency oscillation, which has become a serious problem that threatens the security of power systems. Wide-area power system stabiliser (WAPSS) is an effective device to damp this oscillation. Given that the interconnected multi-machine power system is a strongly non-linear and complex system with time-varying structure and operating conditions, satisfactory control performance of WAPSS is difficult to obtain by using conventional model-based control methods. In this study, a data-driven control method called model-free adaptive control (MFAC) is introduced to WAPSS design. The MFAC algorithm is improved to meet the wide-area damping control requirements in consideration of system disturbances. The stability of the closed-loop system with the improved MFAC-WAPSS is also analysed, and the parameter settings of the improved MFAC algorithm are provided in detail. The improved MFAC-WAPSS can adjust its parameters adaptively only based on the input and output data and avoid the complex system modelling process. The proposed adaptive WAPSS is evaluated on a simplified New England power system. Simulation results show the effectiveness of this new technique. |
| Starting Page | 1996 |
| Ending Page | 2007 |
| Page Count | 12 |
| ISSN | 17518644 |
| Volume Number | 9 |
| e-ISSN | 17518652 |
| Issue Number | Issue 13, Aug (2015) |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/iet-cta/9/13 |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/iet-cta.2014.1289 |
| Journal | IET Control Theory & Applications |
| Access Restriction | Open |
| Rights Holder | © The Institution of Engineering and Technology |
| Subject Keyword | Adaptive Control Closed Loop System Closed-loop System Stability Complex System Control of Electric Power System Damping Data-driven Control Method Inter Area Low-frequency Oscillation Interconnected Multimachine Power System MFAC-WAPSS Model-free Adaptive Control New England Power System Nonlinear Control System Nonlinear System Operating Condition Power Grid Power System Control Power System Economics Power System Interconnection Power System Managemen Power System Operation Power System Protection Power System Security Power System Stability Regional Power Grid Interconnection Self Adjusting Control System Stability in Control Theory System Disturbances Time-varying Structure Wide-area Damping Control Requirements Wide-area Power System Stabiliser |
| Content Type | Text |
| Resource Type | Article |
| Subject | Control and Optimization Control and Systems Engineering Human-Computer Interaction Electrical and Electronic Engineering Computer Science Applications |
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