The results indicate that the floor pedestal can improve the security margin of rotor system of the 600mw air cooled turbine-generator set.
计算结果表明：采用落地轴承有利于提高某空冷600MW机组轴系的安全裕度。
Research contents are as follows: a method to calculate security margin of operation state is proposed based on optimal power flow sensitivities.
研究内容如下：提出了一种基于最优潮流的运行安全裕度求解方法。
The influence of switching off branch on system nodal voltages and line loads is analyzed and the concept of security margin and its calculation formula are given.
分析了支路断开对系统节点电压及线路负荷的影响，给出安全裕度概念和计算公式。
Moreover, according to the relative distance between the operating point and the boundary of DSR, the index of security margin and security transition probabilities can be determined.
依据运行点距动态安全域边界的距离，还可以确定系统的安全裕度和安全转移概率等安全性指标。
This method can deal with the difficulties of determining minimum voltage security margin index to a certain extent. The relaxation of this index can be realized by a fuzzy parameter.
该方法可在一定程度上解决确定最小电压安全裕度指标的困难，通过最小电压安全裕度模糊参数，实现对该指标的松弛处理。
An approach to congestion problem is presented, which combines OPF (Optimal Power Flow) and CPF (Continuation Power Flow) and maintains the system operating within voltage security margin.
采用将最优潮流与连续潮流相结合的方法解决阻塞问题，并使系统运行在电压安全裕度之内。
An approach to congestion problem is presented, which combines OPF (Optimal Power Flow) and CPF (Continuation Power Flow) and maintains the system operating within voltage security margin.
采用将最优潮流与连续潮流相结合的方法解决阻塞问题，并使系统运行在电压安全裕度之内。
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