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高校配电变压器负载率分析

来源于: 发表时间:2018-06-01 16:06 编辑:fzy

孙绍国 谷   明 韩   瀛 李   研(天津大学建筑设计研究院,天津市 300073)

Analysis of Load Rates of Distribution Transformers in Colleges and Universities
SUN Shaoguo GU Ming HAN Ying LI Yan
(Tianjin University Research Institute of Architectural Design & Urban Planning,Tianjin 300073,China)
 
    Abstract:At present,the load rates of distribution transformers in many colleges and universities are very low. In this paper,the load rates of distribution transformers are analyzed theoretically,the relationship between the load rate and the loss of transformer and the factors for the optimal load rate are given,and the low load rate is analyzed according to the actual operating data collected in a northern university,in order to avoid the low load rate of transformer in the actual operation,reduce the capacity of the distribution transformer designed farthest,save the initial investment and operating cost,and achieve the purpose of the economic operation and energy saving of the power supply and distribution systems for the buildings in colleges and universities.
    Key words:distribution transformers in colleges and universities;load rate;annual loss expense;transformer capacity;economic operation;initial investment;demand coefficient method;calculated load peak selection method
 
    摘 要:目前大量高校配电变压器的负载率普遍很低,本文就此对配电变压器负载率进行理论分析,给出变压器负载率与损耗的关系及最优负载率选取应考虑的因素;结合采集到的北方某高校配电变压器负载率的实际运行数据,对低负载率进行分析,避免实际运行中变压器负载率过低,从而最大限度地降低设计配电变压器容量,以节省初期投资和运营成本,达到高校建筑供配电系统经济运行和节能的目的。
    关键词:高校配电变压器;负载率;年损耗费用;变压器容量;经济运行;初始投资;需要系数法;计算负荷峰值选择法
     中图分类号:TU852              文献标识码:A
     doi:10. 3969 / j. issn. 1003 - 8493. 2018. 05. 001

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