An overview on energy internet

Nowadays people pay more and more attention on renewable energy, but existing grid is not enough to accept scale renewable energy, especially distributed renewable energy. The structure of energy internet is similar with existing information Internet that consists of the energy router, power generation equipment, energy storage and load. Among them, the energy router is the most critical equipment that responsible for information management, voltage conversion and AC-DC conversion. Energy internet is friendly to environment with communicating with the user in real time and achieving plug and play. The development of energy internet has just begun and still in the pre-feasibility stage with many problems need to be solved.