查询词典 post insulator

The structures, features, application principles and on-site applications of six kinds of prevention products developed on the basis of above mentioned methods, i.e., the insulation striped arc-protection fitting, clamping post porcelain/ composite insulator, stab-type arc-protection fitting, stab-type clamping post porcelain/composite insulator, ring electrode MOA with external series gap and stab-type electrode MOA with external series gap, are presented.

分析了10 kV配电网绝缘导线雷击断线机理，归纳出"疏导式"和"堵塞式"2种防护思路，介绍了基于2种防护思路研制的剥线型防弧金具、放电箝位柱式瓷/复合绝缘子、穿刺型防弧金具、穿刺型放电箝位柱式瓷/复合绝缘子、环形电极带外串联间隙金属氧化物避雷器和穿刺电极带外串联间隙金属氧化物避雷器6种防护产品的结构、特点、应用原则及现场应用情况。

It can also improve electricity supply quality, lowering the labor intensity of the outdoor line workers, decrease the number of outdoor line workers required, reduce the downtimes of the industrial and mining enterprises due to electric power failure owing to the high voltage porcelain post insulator breakdown and promote the social productivity.

减少工矿企业因高压瓷瓶击穿停电停产的时间，提高社会生产力。

Inherent defects of porcelain post insulator constitute serious threat for service safety of power system.

支柱瓷绝缘子存在的缺陷严重威胁电网的安全运行。

Based on this predicted pollution level, the pollution level of post insulator and bushings with different diameters in DC yard are calculated.

根据该污秽水平，计算出换流站直流场支柱绝缘子以及不同管径的套管表面的污秽度。

The basic principles of ultrasonic technology for porcelain post insulator detection are presented, which consists of longitudinal wave detecting with bevel probe and creep-wave detecting.

介绍了采用超声法对支柱绝缘子进行探伤的基本原理，探伤方法主要有纵波斜角超声波检测和爬波超声波检测两种，纵波斜角超声波检测速度较慢。

Full application of this project can save the time for seeking the high voltage porcelain post insulator breakdown points, reduce a half of the power off maintenance time for the electric authority. It can reduce more than YMB 5 billion Yuan of the direct economic loss and more than YMB 120 billion Yuan of the indirect economic loss.

本项目的全面实施可为电力部门免去寻找高压瓷瓶击穿故障点的时间，缩短因停电检修时间二分之一，全国每年可减少直接经济损失 50 亿元以上，减少间接经济损失 1200 亿元以上，提高供电质量，降低外线工劳动强度，减少外线工配备量。

Compare with many measure of lightning protection,now in our country i found a new product called FEG-12/5(post insulator of lightning protection) which can prevent the lightning cutting the insulation wire,benefit for the security of the distribution line in our country.信息来自:www.tede.cn

对比国内外的防雷措施，国内出现了一中新型防雷支柱绝缘子--FEG-12/5防雷支柱绝缘子，它能很好的防雷击断线事故的发生，为我国配电线路的安全运行提供了保障。

Post insulator ; Transmission line ; Icing ; DC ; Flashover

支柱绝缘子；输电线路；覆冰；直流；闪络

It is proposed that domestic post insulator of Ⅲpollution class shall have rated mechanical bending strength of 10kN and 16kN, height of (10 000～12 000)mm, at least 8 800mm if it is limited by processing equipment, core diameter of (280～320)mm, creepage distance of (27 500～33 275)mm, and porcelain surface coating with PRTV or RTV.

根据我国1000kV交流输变电工程对高压支柱绝缘子和空心绝缘子技术参数的要求，综合分析国外成功的制造经验、技术参数、500kV运行经验及国内制造能力，提出了国内支柱瓷绝缘子和空心绝缘子在按Ⅲ级污秽等级设计中，额定机械弯曲破坏负荷为10kN和16kN的支柱瓷绝缘子的高度应在(10000～120000)mm之间，如受制造设备限制，高度至少不小于8800mm，主体直径为(280～320)mm，爬电距离为(27500～33275)mm，并且应在其瓷表面涂PRTV、RTV；空心绝缘子的长度为(11000～13000)mm，最低高度不应小于9600mm，主体直径为(900～1200)mm，爬电距离为(40000～50000)mm。

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。

For a big chunk of credit-card losses; the number of filings (and thus charge-off rates) would be rising again, whether

年美国个人破产法的一个改动使得破产登记急速下降，而后引起了信用卡大规模的亏损。

Eph. 4:23 And that you be renewed in the spirit of your mind

弗四23 而在你们心思的灵里得以更新