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| 次同步振荡× | 电力系统状态估计× | |
|---|---|---|
| 领域 | 电气工程 | 电气工程 |
| 方法族 | Process / pipeline | Process / pipeline |
| 起源年份≠ | 1977 | 1970 |
| 提出者≠ | E. William Kimbark, Robert Farmer | Fred Schweppe |
| 类型≠ | Identification and mitigation of subsynchronous oscillations in AC systems | Real-time state estimation using measurements and physical models |
| 开创性文献≠ | 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 ↗ | Schweppe, F. C., & Wildes, J. (1970). Power system static-state estimation: III system implementation. IEEE Transactions on Power Apparatus and Systems, 89(1), 120-125. link ↗ |
| 别名 | SSR, Subsynchronous control interactions, Torsional oscillations | PSSE, WLS State Estimation, Power Flow State Estimation |
| 相关 | 3 | 3 |
| 摘要≠ | 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. | Power System State Estimation (PSSE) is a real-time algorithm that estimates the voltage and phase angle at every bus in a power grid from a set of noisy, redundant measurements. Introduced by Schweppe in 1970, it combines measurements (power flows, voltage magnitudes) with the physical power flow model to produce the most likely system state. State estimation is the foundation of modern grid control centers, providing operators with an accurate digital representation of the actual network. |
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