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Content Provider | IET Digital Library |
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Author | Huang, Biyue Sun, Haishun Liu, Yuming Wang, Long Chen, Yahao |
Abstract | In recent years, the subsynchronous oscillation (SSO), which occurs in direct-drive permanent magnetic synchronous generators (D-PMSGs)-based wind farm, has great impact on the stability of power system. The different parameters and operation conditions of D-PMSGs lead to the subsynchronous interaction (SSI) among D-PMSGs. What is more, the SSI will influence the SSO characteristics of the system of D-PMSGs-based wind farm integrated to AC network. Here, considering the difference of parameters or operation conditions among D-PMSGs in the wind farm, eigenvalue analysis, based on the small-signal state-space model of two aggregated D-PMSGs which are equivalent to wind farm, is carried out. Then the stability and the SSI between D-PMSGs of the equivalent system can be studied, and the dominant D-PMSG can be determined based on the participation factors. Lastly, the detailed electromagnetic transient simulation model of D-PMSGs equivalent system is built in PSCAD/EMTDC. The simulation is conducted to corroborate the eigenvalue analysis. The result shows that an obvious SSI exists between two aggregated D-PMSGs. Furthermore, the different SSO characteristics among D-PMSGs in the wind farm indicate the study of SSO problem based on an aggregated D-PMSGs model may leave out some useful information. |
Starting Page | 16 |
Ending Page | 26 |
Page Count | 11 |
ISSN | 17521416 |
Volume Number | 13 |
e-ISSN | 17521424 |
Issue Number | Issue 1, Jan (2019) |
Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/iet-rpg/13/1 |
Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/iet-rpg.2018.5051 |
Journal | IET Renewable Power Generation |
Publisher Date | 2018-09-21 |
Access Restriction | Open |
Rights Holder | © The Institution of Engineering and Technology |
Subject Keyword | AC Motor Drive AC Network Algebra D-PMSG-based Wind Farm Direct-drive Permanent Magnetic Synchronous Generators-based Wind Farm Drive Eigen Values And Eigen Function Eigenvalue Analysis Electromagnetic Transient Simulation Model EMTDC Permanent Magnet Generator PMSG Equivalent System Power System Control Power System Stability PSCAD Small-signal State-Space Model SSI SSO Subsynchronous Interaction Subsynchronous Oscillation Synchronous Generator Synchronous Machine Wind Power Plant |
Content Type | Text |
Resource Type | Article |
Subject | Renewable Energy, Sustainability and the Environment |
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