一种多风电场区域无功补偿协调策略评价方法

随着我国风力发电的爆发式增长,各种针对风电集中区域电网的无功补偿协调方法及控制策略层出不穷,如何评价其有效性并从中选取最优的区域电网无功补偿策略是亟需解决的问题。基于此,文中提出了一种基于生存指数熵权理论的多风电场无功补偿协调策略评价方法,从风场区域电网电压质量和经济性两个方面对多种无功补偿协调策略进行综合评估。基于实际风场群区域电网算例,利用本评价方法对四种不同无功补偿协调控制策略进行效能评估,理论分析和仿真结果证明了该评价方法的有效性。

An Evaluation Method for Coordinated Control Strategies of Reactive Compensation in Multiple Wind Farms Area

As explosive growth of wind power in China,a large number of reactive power compensation coordinated methods and control strategies are proposed in power grid of wind power area.However,how to evaluate its effectiveness and select the best reactive power compensation method is needed to solve problem.Aiming at the above problem,a novel method,evaluation method of multiple wind farms based on survival exponential entropy,is proposed to evaluate reactive power compensation strategies from voltage quality and economy.Based on the example of the multiple wind farms in regional grid,four different reactive power compensation strategies are evaluated.Theoretical analysis and experimental results show that the proposed method is available and effective.