Application and prospect of direct current in modern society

摘要

Direct current (DC) power in modern society has very important application in aspects such as power transmission, power distribution and power supply, besides DC micro-grid is also a branch. This paper introduces the application of DC power from four aspects in details and prospects the bright future of DC power. Therefore, DC power has been widely used in modern power grid, and will replace AC power grid to occupy the dominant position of future power grid.