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Derivation of stability limits using analytical sensitivity of the transient energy margin

机译：利用瞬态能量裕度的分析灵敏度推导稳定性极限

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摘要

It is noted that the transient energy function (TEF) method has matured to a stage where reliable and accurate assessment of transient stability of a multimachine power system is possible. Stability limits in terms of plant generation limits, load changes, or network configuration changes are derived using analytical sensitivity of the energy margin. A detailed development of the analytical sensitivity procedure is presented. The technique is tested on the 17-generator Iowa network, and a good assessment of the stability limits is obtained. Experience based on more than 2500 runs on several actual power networks indicates that, for the classical power system model, the TEF method gives stability results as accurately and as reliably as conventional time-domain simulation programs.
机译：注意，瞬态能量函数（TEF）方法已经发展到可以可靠，准确地评估多机电源系统瞬态稳定性的阶段。使用发电量裕度的分析灵敏度可以得出电厂发电极限，负荷变化或网络配置变化方面的稳定性极限。介绍了分析灵敏度程序的详细开发。该技术在17发电机爱荷华州电网上进行了测试，并获得了对稳定性极限的良好评估。基于在多个实际电力网络上运行的2500多个系统的经验表明，对于经典电力系统模型，TEF方法提供的稳定性结果与常规时域仿真程序一样准确，可靠。

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