风电场35 kV电缆中间接头故障分析

Fault Analysis of 35 kV Cable Joint in Wind Farm

电缆线路发生故障后对电网运行稳定影响大,因此分析电缆线路故障的原因,并采取预防改进措施,有利于提升电力生产运行的安全可靠性。针对某风电场35 kV集电电缆线路的中间接头出现的故障现象,进行了解剖和故障分析,指出了水气渗入可能是电缆中间接头故障的直接原因,并提出了预防解决措施。研究结果为电缆线路的设计生产、安装施工和运维检修提供了参考。

The failure of cable lines has a significant impact on the stability of power grid operation.Analyzing the causes of cable line faults and taking preventive and improvement measures is beneficial for improving the safety and reliability of power production and operation.In this paper,the fault case of the intermediate joint of 35 kV power collecting cable line in a certain wind farm is dissected and analyzed.It is pointed out that water vapor infiltration may be the direct cause of the fault of the intermediate joint of the cable,and the preventive measures are put forward.The research results can provide reference for the design,production,installation,construction,and maintenance of cable lines.