XLPE cable; electrical treeing; boosting rate; tree morphology; fractal dimension.
交联聚乙烯电缆;电树枝化;升压速度;树枝形态;分形维。
The Research of Partial Discharge Detection Technology of XLPE Cable Accessories Based on UHF;
针对大型电力变压器局部放电超高频检测法进行了初探性的研究。
Research results:Degradation of XLPE cable by water trees gives rise to harmonics in the loss current.
研究结果:XLPE电缆的水树的劣化使得损耗电流中谐波分量增加。
Research on measurement of resistive current in XLPE cable using capacitive current compensation method;
探讨了变电站在进行无功补偿电容器建设时确定补偿容量的计算方法。
It is comparatively difficult to carry out partial discharge detection as an after laying test for XLPE cable lines.
对敷设后的交联聚乙烯电缆进行局部放电检测比较困难。
XLPE cable insulation fault on line fixed-point is reserved for system expansion, In order to offer convenient factors for later development.
并预留了XLPE电缆绝缘故障在线定点系统的扩展口,为后续开发提供了便利条件。
Partial discharge on-line detection of XLPE cable accessories is an effective kind of methods of diagnosing faults of XLPE cable accessories.
XLPE电缆附件局部放电检测技术是诊断XLPE电缆附件故障的有效方法。
The steady heat characteristic of XLPE cable, the hardware circuit design of current carrying capability and system software design are studied.
对XLPE电缆稳态运行下发热特性、载流能力预测硬件系统及软件系统设计等问题进行了研究。
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。
The relation of interior temperature and exterior temperature of XLPE cable joint is studied in lab based on structure analyzing of XLPE cable and cable joint.
在分析交联聚乙烯电力电缆及连接头结构基础上对交联聚乙烯电缆中间接头内外部温度关系进行了实验研究。
The detection of defected XLPE cable section, showed that electromagnetic coupling method can better reflect the characteristics of partial discharge of the cable.
通过对存在缺陷的XLPE电力电缆线段的检测表明,电磁耦合法能较好的反映其局部放电特性。
XLPE cable is the primary transportation equipment in electric power system and Partial discharge (PD) is the main cause which destroy electric power's cable insulated layer.
XLPE电缆是电力系统中主要的输送电设备。局部放电是造成电力电缆绝缘层破坏的主要原因。
The XLPE cable insulation fault on line monitoring system designed in this paper abides by modularization, hierarchical, having great scalability and small current measure reference function.
本文所设计的XLPE电缆绝缘故障在线测量系统,遵循模块化、层次化,具有良好的可扩展性和小电流检测的参考作用。
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。
This paper introduces water tree aging theory of XLPE cables and insulated characteristic of water tree aged XLPE cables. Temperature of XLPE cable joint and relation with water tree are analyzed.
本文介绍了交联聚乙烯电力电缆的水树老化机理及含水树电缆的绝缘特性,并分析了交联聚乙烯电缆连接头中温度指标重要性及其与水树的关系。
For those of high voltage level, after the estimate of their insulation parameters we draw the conclusion that those above methods cannot apply to on-line insulation monitoring of 110kv XLPE cable.
对于较高电压等级的电缆,本文通过对绝缘参数的估算得出结论:几种已有的针对较低电压等级电缆的在线监测方法,难以有效地用于110KV的XLPE电缆绝缘在线监测。
Aluminum conductor XLPE insulated fine steel wire armored low-smoke and non-halo sheathed Flame-retardant power cable.
铝芯交联聚乙烯绝缘细钢丝铠装低烟无卤护套阻燃电力电缆。
Copper conductor XLPE insulated fine steel wire armored low-smoke and non-halo sheathed Flame-retardant power cable.
铜芯交联聚乙烯绝缘细钢丝铠装低烟无卤护套阴燃电力电缆。
Aluminum conductor XLPE insulated fine steel armored PVC sheathed Flame-retardant power cable.
铝芯交联聚乙烯绝缘细钢丝铠装聚氯乙烯护套阻燃电力电缆。
Copper conductor XLPE insulated fine steel armored PVC sheathed Flame-retardant power cable.
铜芯交联聚乙烯绝缘细钢丝铠装聚氯乙烯护套阻燃电力电缆。
The principle and working process of a FM serial resonance device was introduced and its application no AC withstand voltage test of high voltage XLPE insulated cable was also discussed.
介绍一种调频串联谐振装置的原理及工作过程,并在高压交联聚乙烯(XLPE)绝缘电缆交流耐压试验中应用。
The DC superposition method was mainly utilized because it was ripe theory about On-line Insulation Monitoring on the XLPE power cable, in addition of the DC partial current method.
本系统电缆绝缘在线监测理论,以比较成熟的直流叠加法为主,加上直流分量法作为理论基础。
The basic principle of resistive current passing through XLPE power cable measured by capacitive current compensation method is introduced.
介绍了用容性电流补偿法测量xlpe电缆的阻性电流的基本原理。
Through the analysis of high voltage Cross-linked polyethylene (XLPE) cable voltage test, the paper points out that the AC voltage withstanding test is more suitable to XLPE acceptance test.
通过对高压交联聚乙烯电缆(XLPE)耐压试验的分析,提出采用交流耐压试验更适合于XLPE的竣工试验。
Copper conductor XLPE insulated low-smoke and non-halo sheathed Flame-retardant power cable.
铜芯交联聚乙烯绝缘低烟无卤护套阻燃电力电缆。
The propagation characteristics of a simulation partial discharge (PD) pulse and a steep front pulse in the XLPE power cable are investigated.
对模拟局部放电的窄脉冲和陡前沿脉冲沿电缆的传播特性进行了实验研究。
It analyzes the importance of cable on-line monitoring, introduces its technique level all over the world and its developing trend of on-line monitoring system for XLPE power cable insulation fault.
文章介绍了目前电力电缆绝缘在线监测的几种方法,并对这些方法进行分析和比较。
This paper presents the design, production and tests of the 35 kV large length XLPE insulated submarine cable with flexible joints.
本文叙述了带软接头的大长度35k V交联聚乙烯(XLPE)绝缘海底电力电缆的设计、制造和试验。
This paper overviews the partial discharge detection techniques and partial discharge source location for cross-linked polyethene(XLPE) power cable.
综述了XLPE电力电缆局部放电检测技术的研究现状,重点介绍了用于电缆的各种局部放电检测技术和定位方法。
This paper overviews the partial discharge detection techniques and partial discharge source location for cross-linked polyethene(XLPE) power cable.
综述了XLPE电力电缆局部放电检测技术的研究现状,重点介绍了用于电缆的各种局部放电检测技术和定位方法。
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