电力电缆载流量计算及提升的研究现状及展望

Status and Prospect on Calculation and Increase of Cable Ampacity

随着电力电缆载流量计算精度要求的提高和复杂敷设方式的出现,载流量的计算及提升成为了电缆的研究热点之一。首先,介绍了电缆载流量计算的系数法、热路法和数值法,讨论了目前的研究对象和研究方法。然后,探讨了电缆载流量的提升方式,包括敷设环境、敷设方案和负荷分配的优化提升。最后,对电缆载流量计算及提升方法进行总结和展望。

With the improvement of the accuracy of ampacity calculation and the emergence of complex laying methods,the calculation and increase of cable ampacity have become the hotspots of cable research.Firstly,the correction factor method,thermal circuit method and numerical method for calculation of ampacity are introduced,and the research objects and methods are discussed.Then,the methods to increase ampacity are discussed,including the laying environment,the laying scheme and load distribution.Finally,the calculation andincrease methods of ampacity are summarized,and the future is prospected.