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| Effektstrømsanalyse× | Harmonisk forvrængningsanalyse× | |
|---|---|---|
| Fagområde | Elektroteknik | Elektroteknik |
| Familie | Process / pipeline | Process / pipeline |
| Oprindelsesår≠ | 1956 | 1822 |
| Ophavsperson≠ | Ward and Hale | Jean-Baptiste Joseph Fourier |
| Type | Computational pipeline | Computational pipeline |
| Oprindelig kilde≠ | Saadat, H. (2010). Power System Analysis (3rd ed.). PSA Publishing. link ↗ | IEEE Std 519-1992: IEEE Recommended Practices and Requirements for Harmonic Control in Electrical Power Systems. link ↗ |
| Aliasser≠ | load flow analysis, power flow study | harmonic content analysis, THD analysis, Fourier harmonic decomposition |
| Relaterede≠ | 5 | 4 |
| Resumé≠ | Power flow analysis, also called load flow study, is a computational method that determines the steady-state voltage, current, and power distribution across all buses in an electrical power system. Developed by Ward and Hale in 1956, it is fundamental to power system planning, operation, and optimization. | 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. |
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