电缆周期性载流量的有限元计算

Heilongjiang Electric Power(2013)

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Abstract
针对电力电缆在实际运行中输送能力受环境温度制约的问题,依据IEC-60853给出的均匀土壤中日周期性负荷因数的计算方法和传热学原理,利用有限元方法计算在不同土壤环境下电缆的周期性负荷因数。结果表明,与IEC方法相比较,有限元方法可提高电缆的输送能力。
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Key words
finite element method,power cable,ampacity
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