Temperature calculation of power cable conductor in real time

Junhua Luo, Yi-gang Liu, Y. Luo
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引用次数: 8

Abstract

The node voltage method is widely used to solve electric circuit problems. It is also an effective method to set up and calculate power cable thermal conditions because the equivalent thermal circuit of a power cable is mathematically similar to an electric circuit. According to real time measurement results of polymeric jacket temperatures of power cables, the temperature of the cable conductor may be calculated using the node voltage method. Furthermore, the power cable load current can be controlled in real time based upon the conductor temperature
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实时计算电力电缆导体温度
节点电压法被广泛用于解决电路问题。由于电力电缆的等效热电路在数学上类似于电路,因此建立和计算电力电缆的热条件也是一种有效的方法。根据电力电缆聚合物护套温度的实时测量结果,可以采用节点电压法计算电缆导体温度。此外,还可以根据导体温度实时控制电缆负载电流
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