Device for monitoring load

Details Device for monitoring load Device for monitoring load

1993-10-06

1994-06-07

Nguyen, Vinh

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

Polyphase

324158MG, 324110, G01R 2700

Patent

active

053193040

ABSTRACT:
A load measuring device includes a sensor for detecting power consumption surges by detecting a zero voltage point in the alternating voltage of an electrical apparatus, detecting the zero current point in the alternating current of the apparatus least remote in time from the detected zero voltage point, and measuring the interval between the two zero points.

REFERENCES:
patent: 3560763 (1971-02-01), Downey
patent: 3622882 (1971-11-01), Gardner
patent: 4127888 (1978-11-01), Epstein
patent: 4313146 (1982-01-01), Lee
patent: 4636720 (1987-01-01), Far
patent: 4888701 (1989-12-01), Wakangi et al.
patent: 4901005 (1990-02-01), Shin et al.
patent: 5001364 (1991-03-01), Petrie et al.
John Markus, Modern Electronic Circuits Reference Manual, p. 1165, (1980), (no month).
John Markus, Modern Electronic Circuits Reference Manual, p. 1164 (1980), (no month).

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