查询词典 arrester

Application : the company's operating system for the main 110kv and above voltage level voltage transformer, current transformer, the host changes the drive pipe, coupling capacitor, the host changes the ferrite core, lightning arrester.

应用范围：本系统主要应用于运行中的110KV及以上电压等级的电压互感器、电流互感器、主变套管，耦合电容器、主变铁芯、避雷器在线检测。

DoLong Tech is a professional supplier of Electric Testing, and manufacturing special electric hi-tech material extensions, including copper coated steel, thermal weld material, lightning arrester, non-standard cables etc.

得龙科技是专营电力测试仪表和电力专用特种金属材料制品及相关延伸产品的新型科技公司。

Zinc Oxide Lightning Arrester has good current voltage characteristic, protective value, impulse response features, multiply thunder resistant, smear resistant and has the ability of running overvoltage. The product safely protects transform equipment and has the features of simple structure, convenient installation and maintenance and long use life.

一、特点 Features 本公司生产的氧化锌避雷器具有良好的伏安特性和优异的保护性能及冲击响应特性、高耐受多重雷及操作过电压能力、良好的耐污性能等优点，并且结构简单，安装维护方便，使用周期长，能对输变电设备提供最佳保护。

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。

The pleunm anti-static insulated material housing prevents short circuit led by the contact of welding spot and the metal channel of word sign. At the same time, the circuit uses particular constant current design and lightning arrester. Silicon rubber leads between modules of anti-aging and anti-cracking guarantee the long-term work in bad environment of open area while the low resistance of lead reduces the affection to the emitting brightness of LED by voltage drop.

其外壳采用阻燃防静电绝缘材料，可防止 PCB焊点与金属字槽壳的接触而产生短路，同时电路采用独特恒流电路设计及雷电吸收装置，模组间连接线采用软硅橡胶导线，在恶劣的户外恶劣环境下长时间使用，导线不会老化脆裂，同时导线内阻比较小，降低压降对LED发光亮度的影响。

On-line monitoring the resistive current component of metal oxide arrester timely is very important to the detection of early aging of MOA, but it is very difficult to find the exact resistive current.

金属氧化物避雷器阻性电流分量在线监测对于及时发现MOA的早期老化有着很重要的意义，但是要确切求出阻性电流有一定的困难。

To prevent the risk of fire, only generators with a USDA Forest Service approved spark arrester muffler are allowed on federal land.

为了防止火灾的风险，只有发电机与美国林务局批准的火花避雷器消声器允许在联邦土地。

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。