stepping switch meaning in English

步进开关
步进式开关
分档开关

Step - by - step switch
步进开关
This paper mainly discusses a control method of substation voltage and reactive power . in order to get suitable decision for one day 24 hours tap - transformer ' s step switch and shunt capacitor switch , an approach of substation voltage and reactive power control on the basis of the combination of artificial neural network ( ann ) reactive power forecasting and evolutionary programming optimal decision - making is put forward
论文主要研究变电站的电压/无功控制决策问题，为了确定一天24小时内合适的有载调压变压器分接头位置和并联电容器投切状态，提出一种基于人工神经网络的无功负荷预测和进化规划优化决策相结合的变电站电压和无功的综合控制决策。