深海供电用脐带缆载流量与温升计算分析
Calculation and Analysis on Ampacity and Temperature Rise of Umbilical Cable for Deep Sea Power Supply
DOI: 10.12677/JEE.2020.83011, PDF,  被引量   
作者: 郭 宏, 郭江艳：中海油研究总院有限责任公司技术研发中心，北京；郝 丽, 袁建生：清华大学电机系，北京
关键词: 深海供电；脐带缆；电磁与温度耦合场；温升计算；Deep Sea Power Supply； Umbilical Cable； Electromagnetic and Temperature Coupling Field； Temperature Rise Calculation
摘要: 脐带缆用于对深海设备提供动力电源与化学剂，是由电力电缆和各种管道组合在一起的管缆，脐带缆内部电力电缆中的大电流功率损耗和化学剂热量会引起脐带缆温升，若温度超过材料的温度限值则寿命会急剧下降。本文采用电磁场与温度场耦合方法计算分析了脐带缆的温升，得到了电力电缆采用铜芯与铝芯、在不同载流量或不同电流密度下、绝缘材料具有不同导热系数时的温升，给出了不同因素对温升的影响程度。研究结果可为脐带缆的结构设计，特别是电缆的载流量设计提供依据。
Abstract: Umbilical cable is used to provide power supply and chemicals for deep-sea equipment. It is a combination of power cable and various pipelines. The high current in the power cable and the heat of chemicals inside the umbilical cable will cause temperature rise. If the temperature ex-ceeds the temperature limit of the material, the service life will drop sharply. In this paper, the temperature rise of umbilical cable is calculated and analyzed by the coupling method of electromagnetic field and temperature field. The temperature rise of umbilical cable with copper core and aluminium core, different ampacity or current density, different cross-section and insulation material with different thermal conductivity is studied. The influence degree of different factors on temperature rise is given. The results can be taken as the basis for the structure design of umbilical cable, especially for the design of ampacity or current carrying capacity of power cable.
文章引用：郭宏, 郭江艳, 郝丽, 袁建生. 深海供电用脐带缆载流量与温升计算分析[J]. 电气工程, 2020, 8(3): 91-97. https://doi.org/10.12677/JEE.2020.83011

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