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Congestion concentration index based transmission expansion planning under market environment
Author(s): 
Pages: 28-32,36
Year: Issue:  10
Journal: RELAY

Keyword:  阻塞集中度指标阻塞收益网络充裕度垂直市场力扩展规划;
Abstract: 与传统的输电网规划相比,电力市场环境下的输电网扩展规划不仅要满足市场用户的需求,还对减缓输电系统阻塞、抑制市场力的滥用和提高社会效益起着重要作用.对于因网络充裕度不足造成的长期输电阻塞,首先参考市场集中度监管指标Lerner指数的定义,提出了新的阻塞集中度指标作为评估输电网络充裕度的指标;然后从市场运营的实际情况出发,以阻塞集中度指标作为约束条件来抑制网络的垂直市场力,构造了将阻塞收益用于回收投资成本的输电网扩展规划模型.IEEE-24节点算例系统分析表明该模型综合考虑了输电投资成本回收以及输电阻塞管理等实际问题,能有效减缓系统阻塞发生,降低投资风险,并为输电网监管提供可靠依据.
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