Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Plural inputs
Patent
1979-08-07
1981-03-10
Krawczewicz, Stanley T.
Electricity: measuring and testing
Measuring, testing, or sensing electricity, per se
Plural inputs
G01R 2100
Patent
active
042557070
ABSTRACT:
Method and meter apparatus for measuring parameters of electrical energy quantities occurring in an electrical power distribution system. The meter apparatus samples a second input signal, which is proportional to one of the voltage and current components of an electrical energy quantity, at predetermined instants, which are a function of unit changes in the magnitude of a first input signal, which is proportional to the time integral of one of the voltage and current components of the electrical energy quantity, to provide instantaneous values of said second input signal. Successive ones of the instantaneous magnitudes of the second input signal are converted to signal representations and accumulated to provide totalized values which are equivalent to the time integral of the product of the ones of the electrical energy components being represented by the first and second input signals over a predetermined period of time and which are proportional to a measured parameter occurring on the electrical distribution system.
REFERENCES:
patent: 2734396 (1957-03-01), Kaiser et al.
patent: 3470471 (1969-09-01), Moore
patent: 3605014 (1971-09-01), McCracken
patent: 3662376 (1972-05-01), Furukawa et al.
patent: 3665326 (1972-05-01), Sullivan
patent: 3921070 (1975-11-01), Ringstad
patent: 3975682 (1976-08-01), Mayfield
patent: 4055804 (1977-10-01), Mayfield
patent: 4056774 (1977-11-01), Shum
patent: 4182983 (1980-01-01), Heinrich et al.
patent: 4197582 (1980-04-01), Johnston et al.
Krawczewicz Stanley T.
Lackey D. R.
Westinghouse Electric Corp.
LandOfFree
Electrical energy meter does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Electrical energy meter, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Electrical energy meter will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1296600