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| Battery energy storage-based system damping controller for alleviating sub-synchronous oscillations in a DFIG-based wind power plant |
| DOI：10.1186/s41601-023-00309-7 |
| Key Words:Battery energy storage system, Damping controller, Doubly-fed induction generator (DFIG), Series
compensation, Sub-synchronous resonance (SSR) |
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| Abstract:This paper presents the issue of the Sub-synchronous resonance (SSR) phenomenon in a series compensated DFIGbased wind power plant and its alleviation using a Battery Energy Storage-based Damping Controller (BESSDCL). A
supplementary damping signal is developed considering the angular speed deviation and is incorporated into the
BESS control system. Wide-area Measurement System data is used to determine the angular speed deviation. A linearized system model is developed to perform eigenvalue analysis, and to detect and examine unstable SSR modes.
The variation of wind speed and three-phase fault are also taken into consideration to validate the robustness of the
controller. To further verify the efcacy of the proposed damping controller, time-domain simulations are performed
using MATLAB/Simulink. The application of the proposed BESSDCL stabilizes all the unstable system modes efectively
at wind speeds of 7 m/s, 9 m/s, and 11 m/s, and at 40%, 50%, and 60% series compensation levels, as well three-phase
fault conditions. |
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