An Open Energy Routing Network for Low-Voltage Distribution Power Grid

Focusing on the issues of access management and consuming in energy routing network within the low-voltage distribution grid, this article studies the energy management mechanism from the perspective of routing topology, and the routing matrix is proposed to realize such mechanism. Firstly, we design a type of low-voltage energy router (ER), in which the renewable energy and 380V distribution grid are adopted as energy resources, and energy storage devices are used to compensate the DC bus, such that the ER could manage all the accessed devices. Secondly, we propose two types of energy routing topologies, i.e., series-shaped and star-shaped energy routing networks, implementing the networking energy management in a low-voltage distribution grid. Furthermore, we put forward the energy routing matrix which describes the real-time operation status when the power devices are accessed with other ERs, and the interacted change of such matrix is adapted to the open networking management. The simulations show that the utilization of the single ER, the series-shaped and the star-shaped routing networks could implement the open access of power devices and the network interactive management within the low-voltage distribution grid. Meanwhile, the balance of power in the local network is achieved.