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Εξετάστε τις επιλεγμένες μεθόδους δίπλα-δίπλα· οι γραμμές που διαφέρουν επισημαίνονται.
| Ανάλυση Αρμονικής Παραμόρφωσης× | Αξιολόγηση Ποιότητας Ηλεκτρικής Ενέργειας× | |
|---|---|---|
| Πεδίο | Ηλεκτρολογική Μηχανική | Ηλεκτρολογική Μηχανική |
| Οικογένεια | Process / pipeline | Process / pipeline |
| Έτος προέλευσης≠ | 1822 | 1995 |
| Δημιουργός≠ | Jean-Baptiste Joseph Fourier | IEEE Standards committee |
| Τύπος | Computational pipeline | Computational pipeline |
| Θεμελιώδης πηγή≠ | IEEE Std 519-1992: IEEE Recommended Practices and Requirements for Harmonic Control in Electrical Power Systems. link ↗ | IEEE Std 1159-2019: IEEE Recommended Practice for Monitoring Electric Power Quality. link ↗ |
| Εναλλακτικές ονομασίες | harmonic content analysis, THD analysis, Fourier harmonic decomposition | PQ assessment, power quality survey, voltage quality analysis |
| Συναφείς | 4 | 4 |
| Σύνοψη≠ | Harmonic distortion analysis quantifies the deviation of voltage or current waveforms from sinusoidal shape due to nonlinear loads. Using Fourier decomposition, engineers separate the waveform into its fundamental frequency and harmonic components (integer multiples of 50 or 60 Hz). Harmonic analysis is critical for assessing power quality and designing filters in modern power systems with high penetration of nonlinear devices. | Power quality assessment evaluates the suitability of electrical voltage and current waveforms for reliable equipment operation. It measures deviations from ideal sinusoidal waveforms, including voltage sags, swells, harmonics, transients, and imbalance. Comprehensive assessment is critical for ensuring equipment protection, identifying root causes of malfunctions, and optimizing mitigation strategies. |
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