Impact of wind power integration on power system stability and optimization strategies for dispatch
Huijia Shun
The Experimental High School Attached to Beijing Normal University
DOI: https://doi.org/10.59429/esta.v12i2.10561
Keywords: Wind power integration; Power system stability; Dispatch optimization; Robust optimization; Inertia support; Voltage control
Abstract
With the continuous expansion of grid-connected wind power capacity, its output volatility, low inertia characteristics, and anti-peak regulation behavior pose significant challenges to power system stability. This paper investigates the impact mechanisms of wind power integration on both static and dynamic stability of power systems, analyzing voltage collapse risks and power flow redistribution caused by wind power randomness, as well as frequency instability and subsynchronous oscillations resulting from insufficient inertia support. Building upon this foundation, we construct a multi-timescale scheduling optimization model that balances economic efficiency with stability requirements, employing distributionally robust optimization to handle wind power output uncertainty and designing decomposition-coordination algorithms to improve solution efficiency. For stability enhancement, we propose coordinated “source-grid-load-storage” optimization strategies, including combined wind-PV-storage dispatch, flexible transmission technologies, and demand-side response mechanisms. This research provides theoretical support and practical solutions for ensuring secure and stable operation of power systems with high renewable energy penetration, offering significant implications for low-carbon energy transitions.
References
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