航空灯火給電線路を用いた灯火断芯位置通報システムの一構成法

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This paper describes a construction method of the system that detects failure of lamps and indicates those locations in an airfield and reports the result of its field tests. This system uses lighting power lines as a transmission circuits. Because a transmitter is connected serially with each lamp as a failure detector and its power source is supplied by current for burning the lamp, the power souce of the transmitter is shut down when the filament of the lamp is burned out. Normal state of a lamp is reported periodically by signal current transmitted through SCR switching power source and its output line. We show that the methods of this lamp failure detection and signal transmission can realize a highly reliabe system. The signal current level is established lower than harmonics of noise level generated by SCR switching not to give bad influences on radio equipments.
社団法人電気学会の論文