查询词典 flashover

Profiles of HVDC post insulator and bushing used in converter station was researched from three aspects including pollution accumulation,artificial pollution test and artificial rain flashover test.

从积污、人工污秽试验、人工雨闪试验3个方面对高压直流换流站直流支柱绝缘子和套管伞形结构进行了研究。

The pollution accumulation results of post insulator and porcelain bushing in DC yard of converter station, natural contamination test station and wind tunnel were introduced. Artificial pollution tests were carried out on the post insulators with different sheds. The artificial rain flashover tests were also carried out on the bushings with different sheds profile. The shed configuration of insulator and porcelain housing such as sheds shape, core diameter, shed pitch were analyzed and compared.

分析了换流站、自然积污站和风洞试验中支柱绝缘子和直流设备套管的积污数据，对±500kV直流系统用不同伞形支柱绝缘子进行了全尺寸的人工污秽试验，进行了瓷套管人工淋雨试验，比较了伞形参数对支柱绝缘子和瓷套管污秽性能和淋雨闪络性能的影响。

Lightning flashover is the main reason that causes trip out in the transmission line,hence it is necessary to estimate the lightning performance of the transmission line which is in the designing.

雷击闪络是引起输电线路跳闸的主要原因，因此必须正确评估设计中的输电线路的防雷性能。

Test results show that glass insulator on 220kV lines subjected to lightning flashover still have electro-mechanical performance conforming standard requirement.

测试结果表明，遭受雷击闪络的220kV线路上玻璃绝缘子的机电性能仍可以达到技术标准的要求；在330kV和500kV线路上的玻璃绝缘子也表现出优良的抗雷击特性。

Study on flashover of suspension insulator string caused by windage yaw in 500kV transmission lines.

王声学，吴广宁，范建斌，等。500 kV输电线路悬垂绝缘子串风偏闪络的研究。

In this paper, a new ceramic surface flashover trigger of pseudospark switch is presented for the first time.

设计了伪火花开关的陶瓷材料表面放电触发器，该触发器体积小，结构简单，可焙烧。

Finally,the paper puts forward the prospect of laser-triggered surface flashover switch.

最后，指出对窄脉冲电压下的激光沿面闪络开关，激光脉冲与电压脉冲的同步是一个很关键的问题，有待深入研究。

Then the author respectively introduces the structure of the switch,dielectric,status quo of research,insulation,electrode materials and mechanism of laser-triggered surface flashover switch developed in recent years.

介绍了沿面闪络开关的结构、研究现状、绝缘介质和电极材料，并介绍了近年来出现的激光沿面闪络开关的可能机理。

According to the studying results obtained in the artificial climate chamber in Chongqing University, this paper described the AC flashover process on the surface of an iced insulator string, and the voltage distribution along the iced insulator string and the developing process and the leakage current were obtained.

本文根据在重庆大学人工气候室中作的模拟研究的结果，对覆冰绝缘子的交流沿面放电过程进行了系统的描述，得出了绝缘子串的电压分布规律和泄漏电流的变化过程，并结合圆柱形绝缘子的覆冰放电现象和泄漏电流波形，对覆冰绝缘子的交流放电机理进行了探讨。

Analysis of ice flashover on 500 kV transmission line insulator string shows that the cause was that water-film with high conductivity lower the voltage.

通过对500 kV输电线路绝缘子串冰闪故障的分析，找出绝缘子串发生冰闪的主要原因是冰凌桥接导致融冰时形成连续的高电导率的水膜，而使冰闪电压降低。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。