Smart Grid is the intelligence of the power grid, also known as "grid 2.0". It is based on an integrated, high-speed two-way communication network. Through the application of advanced sensing and measurement technology, advanced equipment technology, advanced control methods and advanced decision support system technology, it realizes the goal of reliable, safe, economicaling, efficient, environment friendly and safe use of the power grid. Its main characteristics include self-healing, incentivizing and absorbing customers, resisting attacks, providing power quality to meet the needs of users, allowing access to various forms of power generation, starting the power market, and optimizing and efficient operation of assets.