查询词典 lightning arrester

The resistance products have various types, and are for different lightning arrester, restrictive transformer, capacitor, electric machinery, vacuum switch, transformer neutral point sealed electrical instruments, cable, and railway line overvoltage.

本公司电阻片生产引进日立公司最新配方，工艺装备齐全、先进，采用全自动双向压制，四条窑炉烧制（排胶——预烧——烧成——热处理），侧面绝缘采用无机高阻层与有机绝缘漆相结合，检测设备齐全、准确，保证了电阻片具备优良的性能，各项指标明显优于GB11032标准。

Electrical equipment and the main parameters of models, mine and over-voltage protection equipment design, from the substation the size of the design, select the number and height of the lightning rod, lightning arrester models and mine grounding way.

主要电气设备型号及参数的确定，防雷及过电压保护装置的设计，从变电站设计的面积出发，选择了避雷针的个数及高度、避雷器的型号以及防雷接地的方式。

The paper discussed the protection of incoming section and lightning protection of transformer in view of protection function of lightning arrester in 220 kV substation,and proposed feasible and detail means for operation maintenance.

从220 kV变电所内避雷器的保护作用、进线段的保护、变压器的防雷保护等几方面进行阐述。

Equipments, but power plant with change to give or get an electric shock a design for defending thunder protecting then primarily aiming at lightning rod with lightning arrester.

此外，在论文适当的位置还附加了图纸及表格以方便阅读、理解和应用。

Generated by lightning impulse testing system are used to test many kinds of electrical devices and insulation materials,such as SPD,lightning arrester,etc.

0引言雷电冲击测试系统广泛应用于电力系统、通信系统、邮电系统、输变电设备和电子元件生产企业以及铁道部门等，其产生的冲击电压(1.2/50μs等波形)、冲击电流(4/10、8/20、10/350、10/1000μs等波形)用于对诸多电气设备和绝缘材料，如SPD、避雷器等进行雷电冲击试验，也可以进行冲击联合试验等科学试验。

The status of lightning protection and problems, especially low insulation level of lines, lack of direct lightning protection measures, misemploy of lightning arrester and imperfect earth are discussed. Associative action of lightning overvoltage may be considered as the main ...

在此基础上提出了综合防雷措施(包括规范避雷器的安装维护、改善避雷器和杆塔接地、使用塔顶避雷针、使用自动消弧装置降低配电网建弧率、限制雷电流过后的弧光接地过电压和铁磁谐振过电压等)，以提高配电网耐雷水平和供电可靠性。

Combine with the analysis of the effect that caused by the shielding of topography and the conditions when lightning occurred on the top of the transmission tower, this paper bring forward a synthetical scheme that on the AnNan overhead transmission line, can use long life resistance reducer to reduce the ground resistance of the transmission tower,set up a shielding pull- line on the body of some tower,set up lightning arrester and take unbalance insulated method to improve the level of the line's ability of preventing lightning.

结合地面屏蔽效果分析和雷击杆塔塔顶情况分析，提出了在安南线采用降低杆塔冲击接地电阻、对部分杆塔塔身安装防雷拉线、加装线路避雷器、在双回路共架杆段采用不平衡绝缘配置等措施来提高安南线耐雷水平的综合方案。使用长效降阻剂，降低杆塔的接地电阻，这是提高线路耐雷水平、降低雷击跳闸率的有效措施。

Discussion on the establishment of bidding document of hydraulic engineering;2. According to the requirements for porcelain-clad metal oxide lightning arresterin bidding document and technical agreement of 1000 kV UHVAC demonstration project issued by SGCC,and to refer to relevant national and international standard and document information,Langfang EPRI Toshiba Lightning Arrester Co.

根据国家电网公司1000 kV特高压交流试验示范工程招标文件及技术协议中对瓷外套金属氧化物避雷器的要求，参照有关国家标准、国际标准及文献资料，廊坊电科院东芝避雷器有限公司应用两项株式会社东芝已有运行实绩的关键技术：减震技术及高强度瓷套设计技术进行了1000 kV瓷外套MOA的抗地震设计。

Considering some factors,including the different operation mode and lightning strike location,also calculates and analyzes the infection of the impulse grounding resistance of transmission tower,the lightning arrester s arranging and parameter for protection effect.

采用PSCAD/EMTDC程序计算分析了西北电网兰州东-银川东输变电工程750kV银川东变电站330kV线路雷电侵入波过电压保护，考虑了不同运行方式、不同雷击点的情况，还计算分析了杆塔冲击接地电阻、避雷器的布置及参数对保护效果的影响。

In Gui-Guang DC line Zhaoqing converter station auxiliary power line lightning protection upgrade project,a comprehensive scheme that increases number of composite insulator skirts,adds coupled earth wire and installs line lightning arrester s is adopted.

在贵广直流肇庆换流站站用电源线路防雷改造中，采取了电源线路复合绝缘子加片、增设耦合地线和加装线路避雷器等综合防雷改造方案。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。