Transient overvoltage suppression equipment evaluation method and device

The invention provides a transient overvoltage suppression equipment evaluation method and device. The method comprises the steps of obtaining a weighting function according to an index type of transient overvoltage suppression equipment; calculating a short-circuit ratio according to the new energy installed capacity and an initial operation method; according to the short-circuit comparison, assigning the weighting function to obtain a weighting parameter, and according to the weighting parameter and the index type, calculating through an analytic hierarchy process to obtain score values corresponding to a plurality of transient overvoltage suppression devices to be selected; and obtaining a target transient overvoltage suppression device from the plurality of to-be-selected transient overvoltage suppression devices according to the score value. 本申请提供一种暂态过电压抑制设备评价方法及装置，所述方法包含：根据暂态过电压抑制设备的指标类型获得权重函数；根据新能源装机容量和初始运行方法计算获得短路比；根据所述短路比对所述权重函数赋值获得权重参数，根据所述权重参数和所述指标类型通过层次分析方法计算获得多个待选暂态过电压抑制设备对应的评分值；根据所述评分值于多个待选暂态过电压