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Invention Publication
CN108490292A 一种列车行车区间在线监测方法及系统 有权

一种列车行车区间在线监测方法及系统
Abstract:
本发明提供一种列车行车区间在线监测方法及系统，方法包括分别获取牵引变电所的牵引电流在空载时间段和存在一辆列车时的最大电流值I0和Imax，并获取列车处于牵引变电所的左侧分区所至左侧AT所对应的区间1时牵引电流对应的电流占比的最小值Pmin和最大值Pmax；采集牵引变电所的左侧供电臂T线和F线实时电流I1和I2、右侧供电臂T线和F线实时电流I3和I4，并获取I1、I2、I3和I4各自对应的电流占比P1、P2、P3和P4；当I1和I2均大于I0且小于Imax以及I3和I4均小于I0时，若满足Pmin＜P1＜Pmax且Pmin＜P2＜Pmax，则可确定列车位于区间1；否则可确定列车位于牵引变电所的左侧AT所至牵引变电所之间，能够确保列车行车区间监测结果的及时性和准确性，并有利于供电调度。
Abstract(English):

The invention provides a train range online monitoring method and system. The method comprises the steps that the maximum current value I0 and Imax of the traction current of a traction substation inthe no-load period and in case of one train are acquired, and the minimum value Pmin and the maximum value Pmax of the current ratio corresponding to the traction current when the train is in the corresponding range from the left side substation to the left side AT station of the traction substation are acquired; the real-time current I1 and I2 of the left side power supply arm T line and F line and the real-time current I3 and I4 of the right side power supply arm T line and F line of the traction substation are acquired, and the respective corresponding current ratio P1, P2, P3 and P4 of I1,I2, I3 and I4 are acquired; when I1 and I2 are greater than I0 and less than Imax and I3 and I4 are less than I0, the train can be ensured to be in the range 1 if the conditions Pmin

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