Title :
Signal and supervision circuits for carrier-current communications
Author_Institution :
Pacific Gas and Electric Company, San Francisco, Calif.
fDate :
3/1/1952 12:00:00 AM
Abstract :
Carrier-current equipment has become an important adjunct to the operation of large power systems. This article describes some signaling and supervisory trunking systems and illustrates how they are applied to carrier-current transmission.
Keywords :
Batteries; Receivers; Relays; Switches; Switching circuits; Valves;
Journal_Title :
Electrical Engineering
DOI :
10.1109/EE.1952.6438011