About: http://webisa.webdatacommons.org/447647922

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Quality refers to such factors as voltage magnitude, voltage regulation with load, frequency, harmonic content, and balance among the three phases.
http://www.w3.org/ns/prov#wasQuotedFrom	coursehero.com