The Modeling and Control of E-router Based on Average-value Model

E-routers (E-router) are the core equipment of the energy Internet (El), so it is necessary to study various control strategies based on the E-routers. Electromagnetic transient simulation is an important tool to study the control strategies of E-routers. However, each E-router contains multiple converters, and each converter contains multiple power electronic devices. At the same time, pulse width modulation technology is used. Both the power electronic devices and the modulation technology will increase mathematical calculation of the E-router system. Therefore, an average-value model of the E-router is proposed to replace the detailed model to simplify the simulation system. A single-input multiple-output (SIMO) E-router simulation system is built on the MATLAB/Simulink and simulated. The simulation results show that the system dynamic responses of the average-value model are highly consistent with the detailed model, and the average-value model greatly speeds up the system simulation and improves the simulation efficiency.