About: http://webisa.webdatacommons.org/4685894

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	If a severe disturbance occurs that causes the voltage to drop well below 80% then the duration should be relatively short, e.g. 0.15 second, otherwise recovery may be difficult.
http://www.w3.org/ns/prov#wasQuotedFrom	readbag.com