Apparatus for harmonic analysis of waveforms in an ac...

Details Apparatus for harmonic analysis of waveforms in an ac... Apparatus for harmonic analysis of waveforms in an ac...

G - Physics

01

R

G01R 23/16 (2006.01) G01R 19/25 (2006.01) G01R 23/20 (2006.01) G01R 25/00 (2006.01)

Patent

CA 2198659

A monitor for an ac electrical system generates on-line a display presenting the values, either in magnitude or as a percent of the fundamental, of 50 harmonics of any of the currents and voltages in the system. The display also includes the phase angle of each harmonic relative to a reference waveform, which is preferably phase A-B voltage or phase A to neutral voltage.

La présente invention porte sur un moniteur pour système électrique c. a., lequel génère en ligne un affichage montrant les valeurs, sous forme d'amplitude ou de pourcentage, de 50 harmoniques de l'un ou l'autre des courants et des tensions présents dans le système. L'afichage indique également l'angle de phase de chaque harmonique par rapport à une onde de référence, de préférence une tension de phase A-B ou une tension de phase A à neutre.

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