G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
G05F3/00—Non-retroactive systems for regulating electric variables by using an uncontrolled element, or an uncontrolled combination of elements, such element or such combination having self-regulating properties
G05F3/02—Regulating voltage or current
G05F3/08—Regulating voltage or current wherein the variable is DC
Dispositif permettant a un appareil maitre de mettre automatiquement en service au moins un appareil esclave des la mise en service de l'appareil maitre