About: http://webisa.webdatacommons.org/16098902

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	Therefore, there is a problem that it is difficult to generate an alternating voltage as a commercial power supply using two 3-phase coils for output to an external load.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com