计及负荷增长风险的配电变压器选型方法A Type Selection Method for Distribution Transformers Considering Risk of Load Growth
寇凌峰;梁英;王金丽;杨红磊;宋祺鹏;
摘要(Abstract):
为解决配电变压器选型问题,提高农村电网配电变压器经济运行水平,提出了配电台区用电结构划分及多重负荷特性指标方法,构建了配电变压器优化配置技术框架。结合多种配电变压器选型方案,采用决策树法量化分析了最大负荷增长率的变化带来的风险成本,建立了计及负荷增长风险的配电变压器全寿命周期成本模型,模型考虑了配电变压器过载运行引起的故障成本和负荷中断成本。基于农村电网负荷特性指标计算分析了多种类型和容量的配电变压器全寿命周期成本,提供了配电变压器优化选型配置方法。研究成果有助于提高农村电网配电变压器运行的经济性和可靠性。
关键词(KeyWords): 用电结构;风险成本;决策树法;全寿命周期成本模型;负荷中断成本
基金项目(Foundation): 国家电网公司科技项目(PDB17201400055)
作者(Author): 寇凌峰;梁英;王金丽;杨红磊;宋祺鹏;
Email:
DOI: 10.13335/j.1000-3673.pst.2015.05.032
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