仇宝云,黄季艳,袁寿其,林海江.南水北调东线工程泵站电机过载问题研究[J].水利学报,2005,36(2):0243-0250 |
南水北调东线工程泵站电机过载问题研究 |
Study on overload of electric motor in pumping stations of South-to-North Water Transfer East Route Project |
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DOI: |
中文关键词: 南水北调东线工程 梯级泵站 电机 过载 功率备用系数 |
英文关键词: South-to-North Water Transfer East Route Project cascade pumping stations electric motor overload spare coefficient of motor capacity |
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中文摘要: |
分析南水北调东线工程梯级泵站水位组合、扬程情况及所选用水泵的轴功率特征,从设计制造、施工安装和运行条件等方面研究影响水泵运行轴功率并可能造成配套电机过载的主要因素及其概率特征。提出基于可靠度的水泵配套电机功率备用系数的计算方法,计算本工程三种水泵扬程和两种清污条件的源头泵站和非源头泵站电机功率备用系数。成果对大型泵站电机的合理选用,提高机组运行可靠性和效率,节省设备投资有重要意义。 |
英文摘要: |
The main factors influencing the overload of electric motors in cascade pumping stations of South-to-North Water Transfer East Route Project are analyzed from the view points of manufacture, installation and operation. The probability of occurrence is analyzed. A method for calculating the reasonable spare coefficient of motor capacity based on reliability theory is proposed. The calculated spare coefficients for the pumps with different lifting heads and different ways of trash cleaning are given. |
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