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首页> 外文期刊>Electric power systems research >Using trajectory sensitivity analysis to find suitable locations of series compensators for improving rotor angle stability
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Using trajectory sensitivity analysis to find suitable locations of series compensators for improving rotor angle stability

机译：使用轨迹灵敏度分析找到串联补偿器的合适位置，以提高转子角度稳定性

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摘要

This paper proposes an approach based on trajectory sensitivity analysis (TSA) to find most suitable placement of series compensators in the power system. The main objective is to maximize the benefit of these devices in order to enhance the rotor angle stability. This approach is formulated as a two-stage problem, whose first-stage describes prior to fault occurrence and whose second-stage represents the power system behavior involving a set of severe faults. The first-stage focuses on small signal stability, while the second-stage deals with transient stability of power system. In this vein, the trajectory sensitivities of the rotor angles of generators with respect to the reactances of transmission lines are calculated. Two equivalent rotor angles are introduced to find stability indices corresponding to the first- and the second-stage of the proposed approach. Numerical results from IEEE 10-machine 39-bus test system demonstrate the usefulness of the proposed method.
机译：本文提出了一种基于轨迹灵敏度分析（TSA）的方法，以找到电力系统中串联补偿器的最合适位置。主要目的是最大程度地发挥这些设备的优势，以增强转子角度的稳定性。这种方法被表述为两阶段问题，其第一阶段在发生故障之前进行描述，而第二阶段则代表涉及一组严重故障的电力系统行为。第一阶段关注小信号稳定性，而第二阶段关注电力系统的瞬态稳定性。在这种情况下，计算出发电机转子角相对于传输线电抗的轨迹灵敏度。引入两个等效转子角以找到对应于所提出方法的第一阶段和第二阶段的稳定性指标。 IEEE 10机39总线测试系统的数值结果证明了该方法的有效性。

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