The Monitoring And Protect System's Optimization Research Of BOMBARDIER Train's Propulsion System In SHANGHAI METRO

As the acceleration of the industrialization and urbanization becomesgreater, more and more people come into cities. In the cities with high densityof population, there are a set of problems such as traffic jam, the pinch ofhousing shortages, environment pollution and so on. The pressure on ourresources and environment and urban congestion has become increasinglyprominent. And traffic jam is the important factor constraints on economicgrowth. Therefore, there are many cities come to develop Rail Transit in orderto solve the above problem.With regard to the operation of the subway, the state of the tractionsystem is very important, it will affect the traction in addition to the comfortof the train. How to ensure the maintenance quality of the inverter is the keypoint to service department. This paper conducts analysis to some faulthappening in the traction system by collecting the design information, vehicledate, creating the MATLAB Model of traction system, and also creatingmodel of the Components by COMSOL, then makes some solutions fromhardware and software to avoid the failure happening again. Finally,considering the rectification of quantities and economic factors, have chosento modify the software logic control troubleshooting.From the practice operation, the effect of the solution is better than thedesign before. and the failure never happen again. The solution greatlyenhances the reliability and comfort of the train and brings a positive impacton the good operation of the metro. Integrated check the design of tractionsystem of all types trains in the Shanghai Metro, found that the prevalence ofthis problem. In order to avoid the failure happen again, the design requirements have been included in the technical specifications of new carpurchasing.