# Per-unit system

> In power systems, expression of system quantities as fractions

**Wikidata**: [Q1852883](https://www.wikidata.org/wiki/Q1852883)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Per-unit_system)  
**Source**: https://4ort.xyz/entity/per-unit-system


## References

1. Freebase Data Dumps. 2013