Regulating circuit maintains nearly-constant alternating current in sodium-vapor lamp. Regulator part of dc-to-ac inverter circuit used to supply power to street lamp from battery charged by solar-cell array.
Current Regulator For Sodium-Vapor Lamps
NASA Tech Briefs ; 13 , 3
1989-03-01
Miscellaneous
No indication
English
Lighting by arc lamps and by mercury-vapor lamps
Engineering Index Backfile | 1932
|Development of Measuring Apparatus for Contact Wire Wear Using Sodium Vapor Lamps
British Library Online Contents | 2000
|Sodium lamps for highway lighting
Engineering Index Backfile | 1933
PAPERS - Development of Measuring Apparatus for Contact Wire Wear Using Sodium Vapor Lamps
Online Contents | 2000
|Industrial lighting with metal vapor lamps
Engineering Index Backfile | 1935
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