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根据胜利油田110 kV辛安变电站和辛四变电站区域电网的线路结构与保护配置、负荷情况和故障甩负荷情况,在辛安变电站和辛四变电站区域电网网络及保护数学模型基础上,对比研究分析辛安变电站与辛四变电站线路结构参数、故障位置、线路与负荷保护配置造成故障引起上述两个变电站的母线残压和电压波动的影响,研究35 kV线路故障导致非故障线路甩负荷的原因,并提出抑制措施。
According to the line structure and protection configuration, load condition and fault rejection load of the 110kV Xin’an Substation and Xinsi Substation in Shengli Oilfield, based on the regional power network and the protection mathematical model of Xin’an Substation and Xinsi Substation, comparative analysis and analysis Xin’an Substation and Xinsi Substation line configuration parameters, fault location, line and load protection configuration caused by the failure of the two substations busbar residual voltage and voltage fluctuations affect the cause of non-fault line load rejection 35kV line failure, And put forward suppression measures.