Affiliation:
1. Huazhong University of Science and Technology
Abstract
This paper investigates the subsynchronous interactions (SSI) in DFIG-based wind farm and turbine-generator (T-G) bundled system which is integrated through series compensated transmission line, the results reveal that the integration of DFIG-based wind farm could improve the subsynchronous resonance (SSR) damping of the nearby turbine-generators. Then supplemental controls of DFIG-based wind farm are used to mitigate subsynchronous control interaction (SSCI) of the DFIG and multi-mode SSR of the nearby turbine-generators. The supplemental controls are added to the reactive power control loop of GSC (grid side converter) for DFIG. Given that no additional device is needed, this supplemental control could be the most promising measure for SSR and SSCI mitigating.
Publisher
Trans Tech Publications, Ltd.
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