Journal of Modern Power Systems and Clean Energy

ISSN 2196-5625 CN 32-1884/TK

Impact of increased wind power generation on subsynchronous resonance of turbine-generator units

1.University of Birmingham, Birmingham B15 2TT, UK

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    With more and more wind power generation integrated into power grids to replace the conventional turbine-generator (T-G) units, how the subsynchronous resonance (SSR) of conventional T-G units is affected becomes an important technical issue. In this paper, a group of T-G units are interconnected with a series compensated transmission line, and some units are substituted by a nearby DFIG-based wind farm (WF). Under such circumstances, the SSR of power systems would change accordingly. This paper establishes the mathematical model to analyze the torsional interaction (TI) and the induction generator effect of the T-G units. Both eigenvalue analysis and time domain simulations demonstrate the impact of DFIG-based WF on SSR of power systems and how the control parameters of wind farms can affect the SSR.

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  • Online: April 20,2016
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