Electronic kilowatt-hour meter for measuring electrical energy c

Details Electronic kilowatt-hour meter for measuring electrical energy c Electronic kilowatt-hour meter for measuring electrical energy c

1980-01-07

1982-08-17

Nusbaum, Mark E.

Boots, shoes, and leggings

364464, 324142, G01R 2106, G06F 1520

Patent

active

043453112

ABSTRACT:
In a kilowatt-hour meter for measuring electrical energy consumption from an alternating electrical supply, a microprocessor includes a clock signal generator which is synchronized in phase with the incoming supply frequency. Pulse sampling means controlled by the clock generator sample the incoming voltage and current waveforms at a preselected time instant or instants in each cycle and the sampled data is utilized in the microprocessor to determine energy consumption.

REFERENCES:
patent: 3448402 (1969-06-01), Booker, Jr. et al.
patent: 3959724 (1976-05-01), Chana et al.
patent: 4073009 (1978-02-01), Andow et al.
patent: 4106095 (1978-08-01), Yarbrough
patent: 4120031 (1978-10-01), Kincheloe et al.
patent: 4197582 (1980-04-01), Johnston et al.
patent: 4216527 (1980-08-01), Emerson et al.
patent: 4218737 (1980-08-01), Buscher et al.

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