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Discussion on total kVA rating of distribution transformers for a single MV feeder
Author(s): 
Pages: 586-588
Year: Issue:  4
Journal: East China Electric Power

Keyword:  中压配电网馈线配变装接容量线路经济负载率配变经济负载率;
Abstract: 现有<中压配网规划导则>规定10 kV线路配变装接总容量上限为10 MVA,但未说明原因.综合考虑了单条线路配变装接总容量的导线型号、线路合理输送容量、配变经济负载率和最大负荷年利用小时数等影响因素后,提出了计算单条线路合理配变装接总容量上限的估算公式和实用表格.实际应用表明,现有导则中10 MVA的规定大多偏高,会对系统的安全性和经济性产生不利影响.
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