Our measurement system for pantograph investigations enables precise analysis of the kinematics and dynamics of the pantograph, as well as the quality of its interaction with the overhead line. It simulates various height changes to determine whether the pantograph can follow the height profile of an overhead line and how it reacts.
The system measures the contact force in newtons over the entire working range at different speeds, as well as the height and time. The insights gained about the contact force and the characteristics of the pantograph can be combined with the height and slope data from overhead line measurements to enable appropriate regulation of the overhead wire height or train speed. Based on the pantograph investigation, it can also be determined whether the pantograph can follow all height changes of the overhead wire or if contact interruptions occur.
Thus, the examination provides important clues as to at which working height and at what speed the contact force decreases to the extent that sufficient contact between the contact strips and the overhead wire can no longer be guaranteed. It can also determine how the pantograph reacts to shocks and whether these shocks can damage the contact strips body.
With the information obtained from the pantograph investigation, transport companies can adjust the preset contact force, thereby increasing the safety and efficiency of rail traffic. The examination also allows for a decision between different types of pantographs and shows whether a pantograph is suitable for a specific rail network.
