关键词：云计算；安全防护；智能电网
摘 要：As a new paradigm for hosting and delivering services over the Internet,cloud computing technology especially suitable for dealing with series of problems in strong smart grid.However,despite the fact that cloud computing offers huge opportunities to the strong smart grid,the development of cloud computing technology is currently at its infancy,especially with many security issues to be addressed.In this paper,we present the overall architecture and benefits of cloud computing applications in strong smart grid.After that,we propose a unified security protection system framework of power cloud computing and give some practicable security protection suggestions.