Advanced Reactive Power Reserve Management Scheme to Enhance LVRT Capability
AbstractAbstract: To increase the utilization of wind power in the power system, grid integration standards have been proposed for the stable integration of large-scale wind power plants. In particular, fault-ride-through capability, especially Low-Voltage-Ride-Through (LVRT), has been emphasized, as it is related to tripping in wind farms. Therefore, this paper proposes the Wind power plant applicable-Effective Reactive power Reserve (Wa-ERPR), which combines both wind power plants and conventional generators at the Point of Interconnection (POI). The reactive power capability of the doubly-fed induction generator wind farm was considered to compute the total Wa-ERPR at the POI with reactive power capability of existing generators. By using the Wa-ERPR management algorithm, in case of a violation of the LVRT standards, the amount of reactive power compensation is computed using the Wa-ERPR management scheme. The proposed scheme calculates the Wa-ERPR and computes the required reactive power, reflecting the change of the system topology pre- and post-contingency, to satisfy the LVRT criterion when LVRT regulation is not satisfied at the POI. The static synchronous compensator (STATCOM) with the capacity corresponding to calculated amount of reactive power through the Wa-ERPR management scheme is applied to the POI. Therefore, it is confirmed that the wind power plant satisfies the LVRT criteria by securing the appropriate reactive power at the POI, by applying of the proposed algorithm. View Full-Text
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Lee, H.; Bae, M.; Lee, B. Advanced Reactive Power Reserve Management Scheme to Enhance LVRT Capability. Energies 2017, 10, 1540.
Lee H, Bae M, Lee B. Advanced Reactive Power Reserve Management Scheme to Enhance LVRT Capability. Energies. 2017; 10(10):1540.Chicago/Turabian Style
Lee, Hwanik; Bae, Moonsung; Lee, Byongjun. 2017. "Advanced Reactive Power Reserve Management Scheme to Enhance LVRT Capability." Energies 10, no. 10: 1540.
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