MMI301 Power Conversion Simulator

MMI301 shows a comparison of simulation results using two different device modelling techniques. One used the PLECS toolbox (first two sets of figures) and the other used the Simulink transformation function pathway (last two sets of figures). The simulation results were obtained by using the same control structure and the same device parameters (as shown in the figures). There is hardly any difference between the two different sets of equipment applications. However, the time taken using the PLECS modelled device is four times less than using the Simulink transformation function route. So, the actual time of one second was 59s using PLECS while it was 3 minutes 46s using the Simulink conversion function route.

MMI301 concentrates on power system control simulation operations prior to real-time execution. Firstly the simulation operation of a single phase PV inverter in Simulink has been discussed mainly in the control design in particular. The controller can be automatically tested online using the dSPACE system. Secondly the new component device PLECS is introduced as a circuit simulator. The combination of the two tools provides an excellent environment for the switching of power conversion simulators.

The MMI301 is an excellent tool for circuit board modelling in the MATLAB/Simulink environment. The advantages of combining PLECS and Simulink are not only the acceleration of the simulation operation and the simplicity of the board fabrication process, but also the leading edge in the simulation of the boards and the control of the component modelling in the standard Simulink environment. However, the circuit combination software that comes with the system software can be confusing for the beginner user. In addition, the wiring connections between components are not the same concept.