About: http://webisa.webdatacommons.org/179358463

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	The electric currents are used to form a synchronizing signal having e.g. a sawtooth waveform for controlling a phase control angle (firing angle) ?? of a gate of each of the thyristors SCRk???, as described in detail hereinafter.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com