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Active power control strategy for wind farms based on power prediction errors distribution considering regional data.
Mst Sharmin Kader1,2, Riyadzh Mahmudh1,2, Han Xiaoqing1,2
1College of Electrical and Power Engineering, Taiyuan University of Technology, Taiyuan, China.
Plos One
|August 24, 2022
Summary
This study proposes an optimal control strategy to improve wind power forecasting accuracy. The method addresses prediction errors and confidence intervals for better active power management in wind farms.
Area of Science:
- Renewable Energy Systems
- Power Systems Engineering
- Computational Intelligence
Background:
- Wind energy is a crucial renewable resource for grid integration.
- Wind power exhibits inherent randomness and volatility, challenging grid stability.
- Inaccurate wind power prediction hinders effective power control and grid management.
Purpose of the Study:
- To develop an optimal control strategy for wind farm active power.
- To enhance the accuracy of wind power forecasting.
- To address challenges posed by prediction errors and confidence intervals in wind power generation.
Main Methods:
- Utilized historical data to analyze wind power prediction error distributions and confidence intervals.
- Developed an active power optimization model for wind farms incorporating confidence interval constraints.
- Implemented a strategy for active power distribution and complementary prediction error management among wind farms with asymmetric error distributions.
Main Results:
- The proposed optimal control strategy effectively manages active power in wind farms.
- The method demonstrates improved accuracy in wind power prediction.
- Simulation results validated the strategy's rationality and effectiveness using real-world data.
Conclusions:
- The developed optimal control strategy enhances wind farm active power management.
- Accurate wind power forecasting is critical for stable grid integration.
- The strategy offers a viable solution for mitigating challenges in wind energy utilization.
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