Measurement of apparent power components in the frequency domain

An algorithm and a digital signal-processing technique are proposed for the measurement of the apparent power components in the frequency-domain approach. The discrete Fourier transform (DFT) is applied to simultaneous samples of voltage and current waveforms to compare their respective spectra. The...

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Published in:IEEE transactions on instrumentation and measurement 1990-08, Vol.39 (4), p.583-587
Main Authors: Montano Asquerino, J.C., Castilla Ibanez, M., Lopez Ojeda, A., Gutierrez Benitez, J.
Format: Article
Language:English
Subjects:
Applied sciences
Current measurement
Digital signal processing
Discrete Fourier transforms
Exact sciences and technology
Frequency domain analysis
Frequency measurement
Information, signal and communications theory
Power measurement
Power system harmonics
Reactive power
Signal processing algorithms
Telecommunications and information theory
Voltage
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cited_by cdi_FETCH-LOGICAL-c303t-ddb968d17adf045a119aa3ca9f7680500d8df26faa32092c5953bc3cb0f349c83
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description An algorithm and a digital signal-processing technique are proposed for the measurement of the apparent power components in the frequency-domain approach. The discrete Fourier transform (DFT) is applied to simultaneous samples of voltage and current waveforms to compare their respective spectra. The RMS values of the harmonic currents flowing between the source and the load (resistive, reactive, and generated by the load nonlinearity) are calculated. The algorithm evaluates V/sub RMS/, I/sub RMS/ and the active power in both the time and frequency domains, and the resistive, reactive, and complementary power components in the frequency domain.< >
doi_str_mv 10.1109/19.57237
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subjects Applied sciences
Current measurement
Digital signal processing
Discrete Fourier transforms
Exact sciences and technology
Frequency domain analysis
Frequency measurement
Information, signal and communications theory
Power measurement
Power system harmonics
Reactive power
Signal processing algorithms
Telecommunications and information theory
Voltage
title Measurement of apparent power components in the frequency domain
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