Smart grid information security and its influence on power system survivability
智能电网信息安全及其对电力系统生存性的影响

The present electric grids will definitely be developed into an intelligent power network interdependently composed of the power network and the information network. The characteristics of an intelligent power network are analyzed and the importance of the information network security is emphasized. Various risks as well as malicious attack scenarios to the intelligent power network are analyzed from the aspect of information security, ranging from the information collection, transmission, management and interaction. Furthermore, the impact from the emergency in the information network on the survivability of an intelligent power system is discussed based on the basic features of the coupling between the two networks. Proposals based on modern power system developments are given to enhance the information security of the intelligent power system in key technologies, standards, policies and training.