In developing power grids,setting standards is critical to its success.The development of China’s power industry has proposed new requirements for power systems to ensure secure and stable operations.The principal st...In developing power grids,setting standards is critical to its success.The development of China’s power industry has proposed new requirements for power systems to ensure secure and stable operations.The principal standards for the security and stability of China’s current power systems are analyzed in terms of operational control,generator-grid coordination and simulation.The shortcomings are pointed out and the directions of future development are discussed.In the end,the study highlighted the following key areas that require further research and improvement:the evaluation criteria of power system security and stability should be improved to ensure the secure and stable operation of China’s power systems;the operational control standards should be constantly enhanced to increase the reliability and flexibility of operational control strategies;generatorgrid coordination standards should be upgraded to improve the coordination between the generator control protection system and the grid;and the simulation methodology should be standardized in future power system security and stability research.展开更多
Cyber-physical systems are being confronted with an ever-increasing number of security threats from the complicated interactions and fusions between cyberspace and physical space.Integrating security-related activitie...Cyber-physical systems are being confronted with an ever-increasing number of security threats from the complicated interactions and fusions between cyberspace and physical space.Integrating security-related activities into the early phases of the development life cycle is a monolithic and cost-effective solution for the development of security-critical cyber-physical systems.These activities often incorporate security mechanisms from different realms.We present a fine-grained design flow paradigm for security-critical and software-intensive cyber-physical systems.We provide a comprehensive survey on the domain-specific architectures,countermeasure techniques and security standards involved in the development life cycle of security-critical cyber-physical systems,and adapt these elements to the newly designed flow paradigm.Finally,we provide prospectives and future directions for improving the usability and security level of this design flow paradigm.展开更多
文摘In developing power grids,setting standards is critical to its success.The development of China’s power industry has proposed new requirements for power systems to ensure secure and stable operations.The principal standards for the security and stability of China’s current power systems are analyzed in terms of operational control,generator-grid coordination and simulation.The shortcomings are pointed out and the directions of future development are discussed.In the end,the study highlighted the following key areas that require further research and improvement:the evaluation criteria of power system security and stability should be improved to ensure the secure and stable operation of China’s power systems;the operational control standards should be constantly enhanced to increase the reliability and flexibility of operational control strategies;generatorgrid coordination standards should be upgraded to improve the coordination between the generator control protection system and the grid;and the simulation methodology should be standardized in future power system security and stability research.
基金This work is supported by the National Natural Science Foundation of China(Nos.61303033,61303221)the National High Technology Research and Development Program of China(863 Program)(No.2015AA017203)+2 种基金the Natural Science Basis Research Plan in Shaanxi Province of China(No.2016JM6034)China 111 Project(No.B16037)the Special Research Foundation of MIIT(No.MJ-2014-S-37).
文摘Cyber-physical systems are being confronted with an ever-increasing number of security threats from the complicated interactions and fusions between cyberspace and physical space.Integrating security-related activities into the early phases of the development life cycle is a monolithic and cost-effective solution for the development of security-critical cyber-physical systems.These activities often incorporate security mechanisms from different realms.We present a fine-grained design flow paradigm for security-critical and software-intensive cyber-physical systems.We provide a comprehensive survey on the domain-specific architectures,countermeasure techniques and security standards involved in the development life cycle of security-critical cyber-physical systems,and adapt these elements to the newly designed flow paradigm.Finally,we provide prospectives and future directions for improving the usability and security level of this design flow paradigm.