Ground Absorption System Application of Regeneration Braking Test in Subway Train

The regenerative braking energy will increase the trolley voltage too high to halt if the energy cant be absorbed by other equipments or metro cars when the metro is running test at factory.The system,which could absorb the energy by resistors that are concentrated at test room,is adopted on account of the characteristic of metro regenerative braking,It has the function of identifying the state of regenerative braking by real-time auto-track online,detecting,logically operation and decision-making and control.The data processing,communication and monitor are also adopted to control the efficiency of regenerative braking,The continual absorbed power at the trial vehicle is 1600 kW,maintaine the stability of trolley voltage and insure the commission of the metro to be continued.