Technoeconomic Assessment Based on Active Context-Knowledge Orchestration for Power Internet of Things

Table 8

A sample data of the distribution station in Beijing.

Second-level index	Three-level index		The value of three-level index
	Item no.	Item definition and meanings
Ubiquitous perception ability	1	Terminal deployment coverage	0.921321
	2	Accuracy of data collection	0.976143
	3	Variety of terminal perception frequency	0.952878
	4	Diversity of sensing data	0.886099
Applications’ QoS guarantee	5	Ability of data sharing	0.874552
	6	Reliability for meeting application requirements	0.911812
	7	Communication quality of service	0.871818
	8	Quality of data processing	0.942396
Security protection ability	9	Security and robustness	0.971341
	10	Ability of preventing data leakage	0.925245
	11	Ability of resisting natural disasters	0.967985
Maintenance management ability	12	Degree of equipment maintenance automation	0.953568
	13	Degree of precise equipment management	0.978742
	14	Flexibility of equipment delivery and configuration	0.979623
Cost	15	Cost of construction	0.954032
	16	Cost of maintenance	0.887993
Direct benefits	17	Decreased cost of human resource	0.956793
	18	Saved cost of equipment operation	0.866593
Indirect benefits	19	User satisfaction	0.921458
	20	Improved quality of power supply	0.923697
Comprehensive index	21	Payback period	0.875962
	22	Net present value	0.917689
	23	Annual cost	0.915398