Intelligent grid is grid of intelligent of (wisdom electric power), also was called "grid 2.0", it is established in integrated of, and high-speed two-way communications network of based Shang, through advanced of sensing and measurement technology, and advanced of equipment technology, and advanced of control method and advanced of decision support system technology of application, achieved grid of reliable, and security, and economic, and efficient, and environment friendly and using security of target, its main features including self-healing, and incentive and including user, and against attack, and Provides meets the needs of 21st century user power quality, allowing a variety of different forms of power access, start the power market and asset optimization and efficient operation.