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基于热电耦合的10kV XLPE地下电缆群温度场数值计算

WANG Qiao-ling,YANG Yu-ping,LIANG Yong-chun

Advanced Technology of Electrical Engineering and Energy（2012）

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Abstract
利用有限元计算了地下电缆的焦耳损耗和温度场分布,利用迭代法实现地下电缆温度场和电磁场间的耦合计算,提高了地下电缆温度场计算的精度,利用迭代法确定地下电缆的载流量.本文对地下直埋多芯电缆群的温度场进行了计算,并给出了相应的载流量.耦合计算结果比非耦合计算结果更接近试验结果,完全满足工程实际的需要.
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Key words
Thermal Analysis,Ampacity Forecasting
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