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Loading margin sensitivity analysis in systems with significant wind power generation penetration

机译：风力发电渗透大的系统中的负载裕度敏感性分析

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摘要

The main objective of this paper is to evaluate the impacts in electrical networks, particularly on the voltage stability margins, due to the presence of Wind Generation (WG) and its intermittent characteristic. For this purpose, linear and quadratic sensitivities of the Loading Margin (LM) with relation to the wind speed are calculated, and then utilized to estimate possible alterations in the LM due to perturbations in the wind speed of the wind farms. To include the variable wind speed in the sensitivity analysis of the LM two types of wind generators are mathematically modeled and then incorporated into the power flow formulation. Lastly, three case studies are performed, where accurate estimates of the LM are obtained for wind speed perturbations in the wind farms, demonstrating the effectiveness of the proposed methodology and its potential to assist in the real-ime operation and the operation planning of power systems with WG.
机译：本文的主要目的是评估由于风力发电（WG）的存在及其间歇性特性而对电网的影响，特别是对电压稳定裕度的影响。为此，计算了负荷裕度（LM）相对于风速的线性和二次灵敏度，然后用于估算由于风电场风速扰动而导致的LM可能变化。为了在LM的灵敏度分析中包括可变风速，对两种类型的风力发电机进行了数学建模，然后将其合并到潮流公式中。最后，进行了三个案例研究，其中对风电场中的风速扰动获得了LM的准确估计，证明了所提出方法的有效性及其在实物操作和电力系统运行规划中的潜力与WG。

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