Driving parameter survey and experiment on railway drive system by using two or more permanent magnet synchronous motors controlled using one inverter

If it were possible to control four sets of permanent magnet synchronous motor (PMSMs) in place of induction motors by using one inverter, we would be able to manufacture efficiently running trains. Therefore, we previously proposed a method for controlling two or more sets of PMSMs with one inverter. For this study, we conducted a parameter survey on the load changes through simulation and a mini model experiment by using a model in which a driving system was simplified into two motors.