Therefore, this paper proposes a method to calculate the probability of voltage instability based on the stochastic characteristic of load margin index.

针对这种情况，提出了一种基于负荷裕度随机特性的方法来计算系统电压失稳的概率。

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Based on the outcomes of study on the dynamic security region (DSR), a transient instability probability model combining discrete and continuous stochastic variables is proposed.

文中基于安全域的研究成果，提出了一个离散和连续相结合的暂态失稳概率模型。

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So, time delays, parameter uncertainty and stochastic disturbances may affect the stability of the system, even lead to instability, oscillation or chaos phenomena.

时滞、参数不确定性和随机噪声都将在相当大的程度上影响神经网络的整体性能，产生振荡行为或其它失稳现象甚至出现混沌现象。

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