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| Risonanza Sub-sincrona× | Flusso di Potenza Newton-Raphson× | |
|---|---|---|
| Campo | Ingegneria elettrica | Ingegneria elettrica |
| Famiglia | Process / pipeline | Process / pipeline |
| Anno di origine≠ | 1977 | 1967 |
| Ideatore≠ | E. William Kimbark, Robert Farmer | William F. Tinney, Charles E. Hart |
| Tipo≠ | Identification and mitigation of subsynchronous oscillations in AC systems | Iterative solution algorithm for power system steady-state analysis |
| Fonte seminale≠ | Farmer, R. G., Natel, B., & Schulz, R. P. (1977). The bushland event of September 10, 1977. IEEE Transactions on Power Apparatus and Systems, 96(4), 1315-1328. link ↗ | Tinney, W. F., & Hart, C. E. (1967). Power flow solution by Newton's method. IEEE Transactions on Power Apparatus and Systems, 86(11), 1449-1460. DOI ↗ |
| Alias≠ | SSR, Subsynchronous control interactions, Torsional oscillations | NR Power Flow, Newton-Raphson Load Flow |
| Correlati | 3 | 3 |
| Sintesi≠ | Subsynchronous Resonance (SSR) is a phenomenon where frequencies below the synchronous frequency (50/60 Hz) are amplified in power systems, causing oscillations that can damage turbines. First observed in Bushland, Texas in 1977, SSR results from interaction between series-compensated transmission lines and synchronous generators. Understanding and mitigating SSR is critical for stable grid operation, particularly with high levels of series compensation or power electronics. | The Newton-Raphson method is a powerful iterative technique for solving the nonlinear power flow equations in electrical power systems. Introduced by Tinney and Hart in 1967, it became the industry standard for computing steady-state voltage and power distributions across transmission networks. The method uses Jacobian matrix formulations to rapidly converge to the true operating point. |
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