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| 电力系统故障分析× | 保护继电器协调× | |
|---|---|---|
| 领域 | 电气工程 | 电气工程 |
| 方法族 | Process / pipeline | Process / pipeline |
| 起源年份≠ | 1918 | 1956 |
| 提出者≠ | Charles Fortescue | C. Russell Mason |
| 类型 | Computational pipeline | Computational pipeline |
| 开创性文献≠ | Fortescue, C. L. (1918). Method of symmetrical coordinates applied to the solution of polyphase networks. Transactions of the AIEE, 37(2), 1027-1044. link ↗ | Mason, C. R. (1956). The Art and Science of Protective Relaying. General Electric. link ↗ |
| 别名 | short-circuit analysis, fault current calculation, symmetrical components method | relay coordination study, protection scheme design, selective overcurrent protection |
| 相关 | 4 | 4 |
| 摘要≠ | Fault analysis determines the magnitude and distribution of currents and voltages during abnormal conditions in power systems, such as short circuits. Using Fortescue's symmetrical components method (1918), engineers calculate fault currents to design protection relays and equipment ratings. It is essential for ensuring safe and reliable power system operation. | Protection relay coordination ensures that when a fault occurs, the relay nearest to the fault operates first, isolating only the faulted section while keeping healthy portions of the network energized. This selective clearing strategy minimizes service disruption and is achieved by carefully coordinating pickup currents and time delays across a series of relays. It is fundamental to reliable power system operation. |
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