考虑不确定因素的关键输电断面分析

发布时间：2018-06-12 04:32

  本文选题：综合介数 + 关键支路　； 参考：《广东电力》2016年11期

【摘要】：计及负荷与间歇式电源波动在网络中的传播特性,提出基于综合介数指标的系统关键支路辨识方法,用以全面反映特定运行环境、网络结构及运行方式下系统的薄弱环节。然后提出基于节点电气距离聚类的电网分区算法及其修正措施,避免漏选区内重要线路。最后,在电网分区的基础上根据输电断面特征选择关键支路主导的输电断面作为系统关键输电断面。IEEE39节点系统算例验证了该方法的有效性。实际应用时,可根据不同时段的负荷或间歇式能源波动特性以及系统运行方式的变化随时搜索系统关键输电断面,为有针对性地采取系统安全控制措施提供依据。
[Abstract]:Taking into account the propagation characteristics of load and intermittent power fluctuation in the network, a key branch identification method based on the comprehensive medium index is proposed to reflect the weak links of the system under the specific operating environment, network structure and operation mode. Then, an algorithm of power grid partition based on node electrical distance clustering and its correction measures are proposed to avoid the leakage of important lines in the selected area. Finally, according to the characteristics of transmission section, the key branch section is selected as the key transmission section of the system. The effectiveness of the proposed method is verified by an example of the IEEE 39-node system. In practical application, the key transmission sections of the system can be searched at any time according to the load or intermittent energy fluctuation characteristics of different periods and the change of the system operation mode, which provides the basis for the system safety control measures.
【作者单位】： 广东电网发展研究院有限责任公司;中国南方电网超高压输电公司检修试验中心;
【分类号】：TM732
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本文编号：2008368