Abstract
For the real-time hardware-in-the-loop simulation of railway rolling stock electric drive system, the equation of equivalent circuit state is the most conventional modeling method. But this method will take up too many resources of real-time simulation system or is not easy to extend to other projects and difficult to adjust the variables on line. By taking the inductor, resistor, capacitor and converter in the equivalent circuit of four-quadrant converter system as the basic components, and using the Kirchhoff laws of voltage and current to combine the basic components, this paper established a new simulation model software based on MATLAB and realized real-time calculation based on dSPACE platform. In order to verify the feasibility and effectiveness of this model software, this author had finished a series of tests onboard and got enough experimental data to make a comparison with the results of the model software real-time calculation.
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