Research on the transient current distribution of bogies considering the lifting or dropping pantograph of EMU

During the operation of EMU, the transient disturbance generated by pantograph catenary system will couple to the bogie, and excessive transient current will bring problems such as abnormal wear of bogies, abnormal damage of sensors installed on bogies, etc. To address this issue, an extended equivalent circuit model of CRH2 EMU aiming at lifting or dropping pantograph is presented in this paper. ...