Auxiliary power supply and timer arrangement for time...

Details Auxiliary power supply and timer arrangement for time... Auxiliary power supply and timer arrangement for time...

G - Physics

01

R

324/70

G01R 21/00 (2006.01)

Patent

CA 1118496

47,689 AUXILIARY POWER SUPPLY AND TIMER ARRANGEMENT FOR TIME REGISTERING MULTIFUNCTIONAL ELECTRIC ENERGY METERS ABSTRACT OF THE DISCLOSURE A time based measuring system for electric energy meters includes a non-volatile data memory for processing time related data. The system further includes a main DC supply energized from an AC source and an auxiliary DC supply energized by a primary battery source. The data memory and a low power secondary timer circuit are energized from the auxiliary DC supply in response to failure of the main DC supply. A low power circuit arrangement including the secondary circuit continues current time and calendar registrations during a power outage.

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