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Control of DFIG-based wind generation for power network support

Hughes, F. and Anaya-Lara, O. and Jenkins, N. and Strbac, G. (2005) Control of DFIG-based wind generation for power network support. IEEE Transactions on Power Systems, 20 (4). pp. 1958-1966. ISSN 0885-8950

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Abstract

This paper addresses the design and implementation of a novel control scheme for a doubly fed induction generator (DFIG), of the type employed with wind turbines, to provide support to power system operation. It is shown that this controller provides a DFIG-based wind farm with operational and control compatibility with conventional power stations, the ability to contribute to voltage support and recovery following network faults, the ability to provide a power system stabilizer capability that improves overall system damping, and the capability of contributing short-term frequency support following loss of network generation. A simple but realistic test network that combines synchronous and wind farm generation has been modeled and used to assess dynamic performance. Simulation results are presented and discussed that demonstrate the capabilities and contributions of the new DFIG controller to network support.