Research of the DC microgrid topology

Since the energy crisis and environmental issues become increasingly prominent, the use of renewable energy distributed generation are concerned by the governments. In order to coordinate the contradiction between large grid and distributed power, and maximize the value and benefits of distributed energy, the concept of microgrid has been proposed. As a branch of microgrid technologies, DC microgrid technology with its unique advantages has gradually entered into people's vision. It has the advantages of high stability, simple control, easy to be accessed to power supply, and easy to be implemented. It is used in the electric field of high reliability of power supply. Based on the research and development of Zhuhai industrial building as the research object, it puts forward suitable for ultra-low power DC microgrid topology scheme for office building.