<http://webisa.webdatacommons.org/prov/54472769>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/207297086> .
<http://webisa.webdatacommons.org/207297086>	<http://www.w3.org/ns/prov#value>	"For example, control may determine whether the grid voltage remains above 175 V for a predetermined period of time, such as 400 ms." .
<http://webisa.webdatacommons.org/207297086>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/207297086>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<freshpatents.com> .