Distribution system performance evaluation accounting for data uncertainty

The effects of uncertain input data on the performance evaluation of a distribution system are analyzed. A criterion is introduced for assessing the grade of uncertainty of the results obtained in the calculation of maximum loads, voltage drops, energy losses, and characteristic reliability indices...

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Veröffentlicht in:IEEE transactions on power delivery 2003-07, Vol.18 (3), p.694-700
Hauptverfasser: Nahman, J., Peric, D.
Format: Artikel
Sprache:eng
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Zusammenfassung:The effects of uncertain input data on the performance evaluation of a distribution system are analyzed. A criterion is introduced for assessing the grade of uncertainty of the results obtained in the calculation of maximum loads, voltage drops, energy losses, and characteristic reliability indices of a network if some input parameters are only guesses based on limited experience, measurements, and/or statistical data. Reasonable outputs bounds are determined based upon the shape of the function measuring the uncertainty. High uncertainty of a result obtained indicates that a re-examination of relevant uncertain input data would be recommendable for a more precise quantification. The method proposed is applied to a real life example for illustration.
ISSN:0885-8977
1937-4208
DOI:10.1109/TPWRD.2003.813868