Electric meter with electronic rolling demand register

Details Electric meter with electronic rolling demand register Electric meter with electronic rolling demand register

1984-04-12

1986-10-28

Karlsen, Ernest F.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

Demand, excess, maximum or minimum

324116, G01R 1916, G01R 1164, G01R 140

Patent

active

046201505

ABSTRACT:
An electronic demand register divides a demand interval into a contiguous set of N demand subintervals. The demand in each demand subinterval is summed with the demands from the N-1 most recent contiguous demand subintervals to derive the interval demand. The interval demand is compared with a prior stored maximum demand to decide whether to discard the present interval demand or to use it to replace the previously recorded maximum demand. Demand is accumulated in terms of actual power usage by scaling power usage pulses according to the relationship in the particular meter on which the rolling demand register is used. Thresholds are provided for producing warning signals to alert the consumer to an actual or impending demand condition which may adversely affect billing.

REFERENCES:
patent: 4509128 (1985-04-01), Coppola et al.

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