(under subclass 13) Subject matter wherein the system is provided with means to supply additional voltage into the system which may either aid or oppose the voltage of the system.
(1) Note. The additional voltage may be introduced into either the converter supply line or the converter load line.
SEE OR SEARCH CLASS
307, Electrical Transmission or Interconnection Systems,
77+, for systems in which a plurality of sources of electric current are connected in series.
322, Electricity: Single Generator Systems,
86+, for generator systems including motor generator systems, wherein the field winding is supplied by plural sources of excitation voltage. 323, Electricity: Power Supply or Regulation Systems,
259, and 344 for bucking and/or boosting transformer systems.
