China Electric Power Research Institute Haidian District Beijing 100192 P.R.China;
China Electric Power Research Institute Haidian District Beijing 100192 P.R.China;
College of Electrical and Electronic Engineering North China Electric Power University Changping District Beijing 102206 P.R.China;
College of Electrical and Electronic Engineering North China Electric Power University Changping District Beijing 102206 P.R.China;
Ubiquitous power Internet of Things(UPIoT); Application layer; Standard system; Architecture design; Demand analysis;