Projects per year
This paper presents a small-signal analysis of different grid side controllers for full power converter wind turbines with inertia response capability. In real wind turbines, the DC link controller, the drivetrain damping controller and the inertial response might present contradictory control actions in a close bandwidth range. This situation might lead to reduced control performance, increased component stress and non-compliance of connection agreements. The paper presents an analysis of the internal wind turbine dynamics by considering different grid-side converter control topologies: standard current control used in the wind industry, standard current control with inertia emulation capabilities and virtual synchronous machines. Comments are made on the similarities between each topology and the negative effects and limits, and possible remedies are discussed. Finally, the conclusion poses that the inclusion of a DC link voltage controller reduces the ability of a converter to respond to external frequency events without energy storage. The degradation increases with the DC link voltage control speed.
|Number of pages||28|
|Publication status||Published - 26 Feb 2020|
- virtual synchronous machine (VSM)
- inertia provision
- DC link voltage control
FingerprintDive into the research topics of 'Assessment of grid-connected wind turbines with an inertia response by considering internal dynamics'. Together they form a unique fingerprint.
- 1 Finished
Doctoral Training Partnership 2018-19 University of Strathclyde | Henderson, Callum
Egea Alvarez, A., Holliday, D., Xu, L. & Henderson, C.
EPSRC (Engineering and Physical Sciences Research Council)
1/10/19 → 18/05/23
Project: Research Studentship - Internally Allocated
Data for: "Assessment of grid-connected wind turbines with inertia response considering internal dynamics"
Henderson, C. (Creator) & Egea Alvarez, A. (Supervisor), University of Strathclyde, 27 Feb 2020