稳定极限，广义上指使可变化的事物的状态或性能保持不变或允许范围内近似不变的最大限制范围；多用于电力系统稳定性方面，指电力线路可传输的最大功率（电流、电压）；也可用于建筑强度、化学反应、核反应等方面。
自然稳定极限 natural stability limit
自然暂态稳定极限 natural transient stability limit
保护的稳定极限 protection stability limit
动态稳定极限 transient stability limit
半稳定极限环 half stable limit cycle ; semi-stable limit-cycle
系统运行稳定极限 operating security limit
电压稳定极限 Voltage stability limit
稳定极限承载力 ultimate load-carrying capacity ; Stable Ultimately Bearing Capability
The methods on the research of torsional vibration stability are summarized and the deficiencies in present research are pointed out. The instability mechanism of shaft system is analyzed and the concept torsional vibration stability limit is put forward.
分析了汽轮发电机组轴系失稳的机理，提出扭振稳定极限的概念。
参考来源 - 大扰动下机电耦合引起扭转模式不稳定机理的研究The analysis indicates this method has such advantages asthe accuracy and reliability of the system's swing curve, the referenced stability margin.
分析显示这种方法能够得到准确可靠的摇摆曲线和具有参考意义的稳定极限。
参考来源 - 结合EEAC和时域仿真进行暂态稳定分析的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
提出边坡稳定极限分析的单元集成法。
Element Integration Method (EIM) was proposed to analyze slope stability.
给出了系统分别存在稳定极限环和不稳定极限环的条件。
The conditions were given to ensure the system has stable limit cycle and unstable limit cycle, respectively.
本文旨在分析电力系统临界电压稳定与同步稳定极限的内在关系。
In this paper the relationship between the critical voltage stability and synchronism stability limit is analyzed.
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