Method for analyzing AC voltage signals

Details Method for analyzing AC voltage signals Method for analyzing AC voltage signals

2011-04-19

2011-04-19

Wachsman, Hal D (Department: 2857)

Data processing: measuring, calibrating, or testing

Measurement system in a specific environment

Electrical signal parameter measurement system

C702S075000, C702S076000, C702S077000, C324S076380, C324S076390, C324S076190, C324S076210

Reexamination Certificate

active

07930119

ABSTRACT:
A method is disclosed for analyzing an AC voltage signal with a transformation which transforms the signal from a representation in the time-domain to a representation in the frequency-domain. This transformation can be a fast Fourier transform, a discrete Fourier transform or a Laplace transform. By selecting a second higher sampling frequency which is an integer multiple of a first sampling frequency, the zero crossings of the AC voltage signal can be accurately determined.

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Schoukens, J. et al.: Fully Automated Spectral Analysis of Periodic Signals . In: IEEE Transactions on Instrumentation and Measurement, vol. 52, No. 4, Aug. 2003; pp. 1021-1024.

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