It is indicated that great attention should be paid to the insulation ageing problem on HV cable accessories and XLPE cables lacking radial waterproofer.
指出对高压电缆附件和缺乏径向防水构造的XLPE电缆需重视绝缘老化问题。
With the statistics on insulation damages of some HV XLPE cable systems at home and abroad, the causes, modes and mechanisms of insulation ageing of XLPE cables and their accessories are analyzed.
对国内外部分高压交联聚乙烯(XLPE)电缆系统的绝缘损坏作了统计,分析了电缆及其附件绝缘老化原因和形态,叙述了XLPE电缆绝缘老化的机理。
The proper earthing of the shielded layer of cable in HV substation plays an important part in reducing electromagnetic interference to the microcomputer-based secondary facilities.
高压变电所内屏蔽电缆屏蔽层的正确接地,对降低外部电磁场对微机型二次设备的干扰水平,起着重要作用。
This paper describes the application of new technology such as mechanical connection and heating weld in the conductor connection of HV and MV cable.
简介了机械连接、放热焊接等新技术应用于中、高压电缆接头中导体连接的现状。
Once the grounding system of HV single-core cable is broken, high floating voltage will appear on its metal sheath, thus causes serious consequence.
高压单芯电缆的接地系统一旦被破坏,在其电缆金属护层上会产生高值悬浮电压而引发严重后果。
The principle of location of cable breakdown point by the HV bridge method is presented. The main factors affecting the location accuracy are analyzed in detail and tests are made using this method.
介绍了采用高压电桥方法对电缆击穿点定位的基本原理,对影响定位准确度的主要因素进行了详细分析,并进行了实际测试。
A new method for judging the running state of HV overhead transmission lines was put forward according to the temperature parameter of power cable junction.
提出了利用电缆接头温度参数来判断高压输电线路运行状态的方案。
The paper confirms gravity of fault of sheath of HV power cable based on investigation and analysis of MV and HV power cables in Guangzhou. Optimum countermeasure is put forward.
通过对广州地区运行中高压电缆外护套故障的调查和分析,说明外护套故障存在的严重性,提出的对策是保证电缆选型和敷设质量。
This paper gave a result that the majority faults of HV overhead transmission lines focus on cable junction by analyzing the causes of the damage of electric power cable.
论文从分析架空高压输电线路的常见故障原因出发,总结出架空高压输电线路的故障大多数发生在线路的连接处。
This paper gave a result that the majority faults of HV overhead transmission lines focus on cable junction by analyzing the causes of the damage of electric power cable.
论文从分析架空高压输电线路的常见故障原因出发,总结出架空高压输电线路的故障大多数发生在线路的连接处。
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