基于复杂网络理论的直流受端系统暂态电压控制选点方法Site Selection Method for Transient Voltage Control for Receiving End of HVDC System Based on Complex System Theory
乔煌煌;马丁;沈沉;王雅婷;郭小江;张一驰;
摘要(Abstract):
在合适的地点安装无功补偿装置可以大幅提升直流受端系统的暂态电压稳定性,因此有必要对无功补偿选点进行研究。首先,提出了暂态电压跌落面积指标;然后,根据时域暂态仿真结果,建立了控制候选节点出线故障与其他节点暂态电压跌落面积指标之间的相关性矩阵;接着,采用K-核分解的方法对候选节点的重要性进行排序,并由此确定系统的暂态电压控制节点。将上述方法应用于华东电网和广东电网,仿真结果证明,在该方法得到的控制选点处增加动态无功补偿可以更好地提升受端系统的暂态电压稳定性。
关键词(KeyWords): 无功补偿;复杂网络;交直流混联系统;相关性矩阵;K-核分解
基金项目(Foundation): 国家电网公司科技项目(XT71-12-007);; 国家重点研发计划(2016YFB0900602)~~
作者(Author): 乔煌煌;马丁;沈沉;王雅婷;郭小江;张一驰;
Email:
DOI: 10.13335/j.1000-3673.pst.2016.10.031
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