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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Buckspan, A. Pao, L. Aho, J. Fleming, P. |
| Copyright Year | 2013 |
| Description | Author affiliation: Dept. of Electr., Comput., & Energy Eng., Univ. of Colorado, Boulder, CO, USA (Buckspan, A.; Pao, L.; Aho, J.) || Nat. Renewable Energy Lab., Nat. Wind Technol. Center, Boulder, CO, USA (Fleming, P.) |
| Abstract | Wind penetration levels have increased dramatically in recent years. This has motivated the need for wind turbines and wind plants to provide grid frequency regulation services. Wind turbines do not inherently provide frequency regulation services in the same manner as conventional synchronous generators because modern wind turbines are decoupled from the grid via their power electronics. Consequently, active power control (APC) must be performed to allow wind turbines to participate in grid frequency regulation. In this paper, we consider a wind turbine APC system, which uses a generator torque controller to operate in a derated manner, allowing the turbine to maintain overhead power. Derated operation is achieved by operating the turbine at a higher-than-optimal tip-speed ratio. We show the stability of the APC torque controller and the asymptotic stability of the derated operating points for a constant input. Further, the control system is shown to be input-to-state stable for time-varying inputs. |
| Starting Page | 1418 |
| Ending Page | 1423 |
| File Size | 458113 |
| Page Count | 6 |
| File Format | |
| ISBN | 9781479901777 |
| ISSN | 07431619 |
| e-ISBN | 9781479901784 |
| DOI | 10.1109/ACC.2013.6580035 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2013-06-17 |
| Publisher Place | USA |
| Access Restriction | Subscribed |
| Rights Holder | American Automatic Control Council(AACC) |
| Subject Keyword | Wind turbines Generators Wind speed Rotors Torque Stability analysis Control systems |
| Content Type | Text |
| Resource Type | Article |
| Subject | Electrical and Electronic Engineering |
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