城市高负荷密度新区电压层级方案适用性研究Applicability Study on Voltage Levels for New Urban District With High Load Density
毛晓明;吴涛;
摘要(Abstract):
为探求城市高负荷密度新区电压层级配置方案的适用性,提出模拟规划区域变电站和电力网络综合规划的数学模型。采用粒子群算法对模型进行求解,获得并比较各种负荷密度和4种设备选型下,220/110/10 kV、220/110/20 kV、220/20 kV这3种电压层级优化规划方案的建设规模及经济性指标。研究表明,负荷密度达到10 MW/km2及以上时宜采用20 kV作为中压配电电压;与220/110/20 kV层级相比,简化变电层次的220/20 kV电压层级在各种设备选型下经济性更优。
关键词(KeyWords): 电力系统;电压层级;电力网综合规划;20 kV
基金项目(Foundation): 广东省自然科学基金项目(S2013010012431,S2013040013776)
作者(Author): 毛晓明;吴涛;
Email:
DOI: 10.13335/j.1000-3673.pst.2014.03.036
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