1results about How to "Use less components" patented technology

The embodiment of the present application relates to a kind of energy storage device sub-module equivalent simulation method, this method includes the following steps: according to the switching resistance characteristic of switching device, the equivalent model of switching device is established;Energy storage capacitor is discretized, and the equivalent model of energy storage capacitor is established;According to the pre-stored energy storage battery group test data, the equivalent model of energy storage battery group is established;Equivalent voltage and equivalent resistance value of sub-module under different states are calculated;According to the working state of sub-module under different working conditions, each controlled voltage source and controlled resistance are respectively assigned corresponding value.The technical scheme provided by the embodiment of the present application, method implementation is simple, less component is used in model, it is advantageous to improve the simulation efficiency of simulation model.