The embodiment of the invention provides a capacitance box of a maglev train, the maglev train and a voltage stabilization control method. The capacitance box comprises a switch branch, a voltage stabilization branch, a first input end, a second input end, a capacitance box positive electrode output end and a capacitance box negative electrode output end, wherein the switch branch comprises a thyristor and a protection resistor connected in parallel with the thyristor; the voltage stabilization branch comprises a capacitor and a voltage stabilization resistor connected with the capacitor in parallel; the first input end is used for being connected with the positive electrode of an external power supply grid; the second input end is used for being connected with the negative electrode of the power supply grid; and the switch branch and the voltage stabilization branch are sequentially connected between the first input end and the second input end in series; the capacitance box positiveelectrode output end is connected with the series connection part of the switch branch and the voltage stabilization branch; and the capacitance box positive electrode output end is used for being connected with the positive electrode of a bus of the maglev train; and the capacitance box negative electrode output end is connected with the second input end; and the capacitance box negative electrode output end is used for being connected with the negative electrode of the bus of the maglev train. The maglev train comprises the capacitance box. The technical problem that the influence of voltagefluctuation of the power supply network on the train cannot be controlled is solved in the embodiment of the invention.
本申请实施例中提供了一种磁悬浮列车的电容箱,磁悬浮列车及稳压控制方法。电容箱包括:开关支路,包括晶闸管和与晶闸管并联的保护用电阻;稳压支路,包括电容器和与电容器并联的稳压用电阻;第一输入端,用于连接外部的供电电网的正极;第二输入端,用于连接供电电网的负极,开关支路和稳压支路顺序串联在第一输入端和第二输入端之间;电容箱正极输出端,与开关支路和稳压支路串联的连接处连接,电容箱正极输出端用于连接磁悬浮列车的母线的正极;电容箱负极输出端,与第二输入端连接,电容箱负极输出端用于连接磁悬浮列车的母线的负极。磁悬浮列车包括上述电容箱。本申请实施例中解决无法控制供电电网电压波动对列车影响的技术问题。
Capacitance box of maglev train, maglev train and voltage stabilization control method
磁悬浮列车的电容箱,磁悬浮列车及稳压控制方法
2020-06-23
Patent
Electronic Resource
Chinese