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| Content Provider | IET Digital Library |
|---|---|
| Author | Wang, Li Zhao, Jie Liu, Dichen Wang, Jun Chen, Gang Sun, Wentao Zhao, Ting Zhao, Yu Qi, Xiaoman |
| Abstract | In this study, a Pelton turbine and governor system dynamic model with deflector control was developed. The Pelton turbine established reasonable parameters for the deflector control model to effectively restrain unit frequency rise, which played the role of a similar thermal power overspeed protection. Since a Pelton turbine typically contains multiple needles, the concept of average needle opening was employed in the model. An improved orthogonal learning biogeography-based optimisation (IOLBBO) algorithm, which adopted good point set to initialise habitat, elites to maintain the tactics, and an orthogonal learning strategy to improve global search capabilities, was developed. The parameters were identified with the IOLBBO algorithm based on measured data. To develop the model in this study, various types of Pelton turbine and governor system models with different refinement degrees were analysed. Large fluctuations, like a load rejection process, verified the validity of the established deflector control model. Additionally, digital deflector control characteristics were achieved by computer programming. The non-linear Pelton turbine and water diversion system model with an elastic water hammer model that considered a non-linear relationship between the average needle opening and mechanical power developed in this study demonstrated superior simulation results in power system stability analysis. |
| Starting Page | 3278 |
| Ending Page | 3286 |
| Page Count | 9 |
| ISSN | 17518687 |
| Volume Number | 11 |
| e-ISSN | 17518695 |
| Issue Number | Issue 13, Sep (2017) |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/iet-gtd/11/13 |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/iet-gtd.2016.1794 |
| Journal | IET Generation, Transmission & Distribution |
| Publisher Date | 2017-04-04 |
| Access Restriction | Open |
| Rights Holder | © The Institution of Engineering and Technology |
| Subject Keyword | Average Needle Opening Combinatorial Mathematics Computer Programming Control of Electric Power System Digital Control Digital Deflector Control Elastic Water Hammer Model Global Search Capability Governor System Dynamic Model Governor Tuning Hydraulic Turbines Hydroelectric Power Stations And Plant Improved Orthogonal Learning Biogeography-based Optimisation Algorithm IOLBBO Algorithm Load Rejection Process Mechanical Power Multiple Needles Nonlinear Pelton Turbine Optimisation Optimisation Technique Power Generation Control Power Generation Protection Power System Protection Power System Stability Analysis Power System Study Search Problem Thermal Power Overspeed Protection Thermal Power Stations Thermal Power Stations And Plant Unit Frequency Rise Water Diversion System Model |
| Content Type | Text |
| Resource Type | Article |
| Subject | Control and Systems Engineering Energy Engineering and Power Technology Electrical and Electronic Engineering |
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