System and method for frequency compensation in an energy meter

Details System and method for frequency compensation in an energy meter System and method for frequency compensation in an energy meter

G - Physics

01

R

G01R 19/00 (2006.01) G01R 19/25 (2006.01) G01R 21/133 (2006.01) G01R 23/00 (2006.01) G01R 23/16 (2006.01) G01R 23/20 (2006.01) G01R 25/08 (2006.01) G06F 19/00 (2006.01)

Patent

CA 2344425

A system and method for improving the ability of an electronic meter (14) to make measurements on signals to determine content of different frequencies, and harmonics of the fundamental frequency, of AC signals (voltages and currents). The line frequency is determined and compensated for prior to performing frequency-dependent parameter measurements or determining frequency- dependent parameters.

L'invention concerne un système et un procédé permettant d'améliorer la capacité d'un compteur d'énergie électronique (14) à réaliser des mesures sur des signaux afin de déterminer le contenu de différentes fréquences et les harmoniques de la fréquence fondamentale de signaux en courant alternatif (tensions et courants). La fréquence d'alimentation est déterminée et corrigée avant que des mesures de paramètres variant avec la fréquence ne soient effectuées ou que des paramètres variant avec la fréquence ne soient déterminés.

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