PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • A stator winding 12 of the generator 11 feeds a distribution network 15 at a constant frequency, e.g. 50 Hz, via a frequency-controllable direct converter 13 and transformers 14.
http://www.w3.org/ns/prov#wasQuotedFrom
  • patents.com