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| Titel: |
A NUMERICAL ALGORITHM FOR DIRECT REAL-TIME ESTIMATION OF VOLTAGE PHASOR, FREQUENCY AND ITS RATE OF CHANGE |
| Auteur: |
Terzija, Vladimir Djuric, Milenko |
| Verschenen in: |
Electric power components & systems |
| Paginering: | Jaargang 24 (1996) nr. 4 pagina's 417-428 |
| Jaar: |
1996-01-01 |
| Inhoud: |
A new algorithm for direct estimation of voltage phasor, frequency and its rate of change, of a voltage signal distorted by a DC component and contaminated by random noise is presented. The method is based on the non-recursive Least Error Squares Technique (LS Technique). Using digitized samples of voltage at the relay location, the estimation of the voltage signal unknown parameters is improved by means of an update procedure. The algorithm is adapted to the actually estimated frequency iteratively, which improved the measurement accuracy, increased the measurement range and reduced sensitivity to the noise. To demonstrate the performance of the algorithm developed, computer simulated data record tests are presented. The proposed method seems to be particularly useful in the field of frequency relaying. |
| Uitgever: |
Taylor & Francis |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
Details van artikel 2 van 8 gevonden artikelen
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