STLS algorithm for power-quality indices estimation

Vladimir V. Terzija, Vladimir Stanojević

Результат исследований: Вклад в журналСтатьярецензирование

24 Цитирования (Scopus)

Аннотация

This paper introduces a new two-stage, self-tuning least-squares digital signal processing algorithm for power-quality (PQ) indices estimation according to the power components and PQ indices definitions given in the IEEE Standard 1459-2000. The algorithm is based on the nonrecursive least error square technique accompanied with an tuning procedure, which generally improves the algorithm properties: the measurement range, the immunity to a random noise, convergence, and accuracy. The presented algorithm models typical signal distortions and it can be used for the real-time PQ indices estimation. In order to estimate signal spectra and fundamental frequency, current and voltage signals are processed in the first algorithm stage, whereas in the second stage, the power components and PQ indices are calculated based on the results obtained from the first stage. To demonstrate the efficiency of the proposed algorithm, the results of computer simulated and laboratory tests are presented.

Язык оригиналаАнглийский
Страницы (с-по)544-552
Число страниц9
ЖурналIEEE Transactions on Power Delivery
Том23
Номер выпуска2
DOI
СостояниеОпубликовано - апр. 2008
Опубликовано для внешнего пользованияДа

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