Usage methodology

Usage impacts can be assessed at device or component level from usage configuration.

Usage impacts are measured by multiplying a duration, a ratio of usage, an impact factor, and an power :

impact = power * (duration * use_time_ratio) * impact_factor

Characteristics

Name	Unit	Description	Example
hours_life_time	hours	Lifespan of the element	35040 (4 years)
usage_location	trigram	See available country codes	FRA
avg_power	Watt/hour	Average electrical consumption per hour	120
time_workload	%workload or %time:%workload	See usage	..
use_time_ratio	/1	Proportion of time the device is used during the given duration.	0.5