IEEJ Transactions on Power and Energy
Online ISSN : 1348-8147
Print ISSN : 0385-4213
ISSN-L : 0385-4213
Paper
Parameters Determination for a. c. Voltage and Current Waveforms Generated by IEC 61083-4 TDG
Shuji SatoYuya SaikawaSeisuke NishimuraHiroyuki ShimizuYoshifumi OkamotoHisatoshi Ikeda
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2013 Volume 133 Issue 12 Pages 1001-1008

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Abstract

IEC 61083-4, which is to be completed in 2013, defines requirements for a software which analyses a. c. and d. c. waveform parameters distilled from digitally measured data. TDG (Test Data Generator) attached to the 61083-4 simulates digitally recorded data for typical waveforms observed in daily measurement. Any acceptable software can determine waveform parameters within a given margin specified in IEC 61083-4. Authors could successfully analyse all the a. c. waveforms generated by the TDG using techniques, 1) FFT after an interpolation for steady a. c. and 2) a base curve for short-term a. c. The latter involves the least square method and a set of non-linear equations. The distilled parameters for both waveforms are within the specified margins (0.1% in peak value) proposed in IEC 61083-4. The details of the algorithm are to be clarified in the paper. Also mentioned in the paper is a proposed TDG's controversial behaviour in which a current-zero instant is shifted due to a discrete sampling interval.

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© 2013 by the Institute of Electrical Engineers of Japan
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