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Automatic Voltage Control (AVC) System under Uncertainty from Wind Power

机译:风电不确定性下的自动电压控制(aVC)系统

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摘要

An automatic voltage control (AVC) system maintains the voltage profile of a power system in an acceptable range and minimizes the operational cost by coordinating the regulation of controllable components. Typically, all of the parameters in the optimization problem are assumed to be certain and constant in the decision making process. However, for high shares of wind power, uncertainty in the decision process due to wind power variability may result in an infeasible AVC solution. This paperproposes a voltage control approach which considers the voltage uncertainty from wind power productions. The proposed method improves the performance and the robustness of a scenario based approach by estimating the potential voltage variations due to fluctuating wind power production, and introduces a voltage margin to protect the decision against uncertainty for each scenario. The effectiveness of the proposed approach is demonstrated on IEEE 39-bus model. Further, Monte Carlo simulation is used to verify the results.
机译:自动电压控制(AVC)系统通过协调可控组件的调节,将电源系统的电压曲线保持在可接受的范围内,并使运行成本最小化。通常,在决策过程中,假设优化问题中的所有参数都是确定的且恒定的。但是,对于高份额的风能,由于风能变化而导致决策过程的不确定性可能会导致不可行的AVC解决方案。本文提出了一种电压控制方法,该方法考虑了风力发电产生的电压不确定性。所提出的方法通过估计由于风能发电量波动而引起的潜在电压变化,从而提高了基于方案的方法的性能和鲁棒性,并引入了电压裕量来保护每种方案的决策不受不确定性的影响。 IEEE 39总线模型证明了该方法的有效性。此外,使用蒙特卡洛模拟来验证结果。

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