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http://hdl.handle.net/10397/108428
Title: | Design of arobust and practicable SSI damping controller using H∞ technique for series compensated DFIG-based wind farms | Authors: | Ghafouri, M Karaagac, U Mahseredjian, J Kocar, I Lei, M |
Issue Date: | Oct-2023 | Source: | Energy reports, Oct. 2023, v. 9, suppl. 10, p. 647-655 | Abstract: | This paper designs a robust and practicable subsynchronous interaction (SSI) damping controller using H∞ technique for the safe operation of series capacitor compensated wind farms (WFs) with doubly-fed induction generator (DFIG) wind turbines (WTs). Mixed sensitivity control design together with pole placement are formulated into a set of linear matrix inequalities (LMIs) to obtain the controller parameters. The LMI technique allows to include both desirable frequency and time domain specifications. The proposed damping controller is integrated into the WT controller (WTC) and receives the DFIG converter currents as inputs. The implementation of the proposed controller does not require any communication links between the WTs and WF secondary control layer. The controller output signals are applied to the inner control loops of DFIG converters and are dynamically limited for the desired fault-ride-through (FRT) performance. The effectiveness of the damping controller is verified through detailed electromagnetic transient (EMT) simulations. In these simulations, the complete medium-voltage (MV) collector grid is modeled with all details, and it is assumed that the wind speed at the location of each turbine follows a Gaussian distribution. The collected results confirm the accuracy of the modeling of the entire WF as an aggregated WT with the average wind speed. | Keywords: | Doubly-fed induction generator (DFIG) H∞ control Linear matrix inequality (LMI) Pole placement Series capacitor compensation Subsynchronous interaction (SSI) Wind farm |
Publisher: | Elsevier BV | Journal: | Energy reports | EISSN: | 2352-4847 | DOI: | 10.1016/j.egyr.2023.05.094 | Description: | 2022 The 3rd International Conference on Power and Electrical Engineering (ICPEE 2022) 29-31 December, Singapore | Rights: | © 2023 The Authors. Published by Elsevier Ltd. This is an open access article under the CC BY license (http://creativecommons. org/licenses/by/4.0/). The following publication Ghafouri, M., Karaagac, U., Mahseredjian, J., Kocar, I., & Lei, M. (2023). Design of a robust and practicable SSI damping controller using H∞ technique for series compensated DFIG-based wind farms. Energy Reports, 9, 647-655 is available at https://doi.org/10.1016/j.egyr.2023.05.094. |
Appears in Collections: | Conference Paper |
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