Research on a piecewise linear network simulation method based on FPGA

In order to improve the accuracy and speed of simulation, a piecewise linear (PWL) network simulation method based on FPGA is proposed. Through RT-LAB hardware in the loop simulation platform and supporting FPGA development tools, a simulation system based on FPGA is established. The nonlinear element is modeled by PWL approximation method. The system matrix method that accurately supports the characteristics of any PWL element is applied, so that the realtime simulation system can fit the real operating state of the system, and has very good simulation accuracy and simulation results. In order to verify the effectiveness of the system, an energy storage grid connected test system is established by using the PWL network system based on FPGA. The experiment proves the effectiveness of the PWL network simulation based on FPGA.