针对线路负荷特点的能源策略，提出了节点在能源利用上的协作机制。

The paper also presents the cooperation mechanism of power supply for all nodes based on the feature of power transmission line load.

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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。

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.

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此外，该系统还可以提高输电线路的安全运行水平、防止线路负荷过大造成灾变性事故的发生。

Moreover, the system can also be used to improve the safe operation level of the transmission lines and to prevent the catastrophic fault due to excessively heavy loading.

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