避雷器

You might also consider a spark arrestor for the front of the fire bowl , too .

您也可以考虑星火避雷器，为前线的消防碗，太。

The location and quantity of arrestor and impulse grounding resistance of towers has direct influence on lighting overvoltage.

变电站避雷器安装位置和数量及输电线终端塔的接地电阻对雷电过电压有著直接的影响。

To actualize condition-based maintenance for Metal-Oxide Arrestor, which is a kind of important device used to restrain overvoltage in the electric power system, the research of on-line monitoring of MOA is important and necessary.

金属氧化锌避雷器MOA作为电力系统重要的过电压保护设备，对其开展在线监测是实现状态维修的必然要求。

The Metal Oxide Arrestor, composed of metal oxide varistor, is a perfect protector for over-voltage.

氧化锌避雷器，简称MOA，由氧化锌非线性电阻}MOv组成，是目前常温下理想的过电压保护装置。

D1, the 1N4148, acts as a spark arrestor when the contacts of the relay open and eliminates false triggering.

D1的1N4148，作为一个火花避雷器，当打开继电器和接触，消除误触发。

Taking the 550kV GIS installed in a certain hydropower station in China as research background and according to structure and operational features of this 550kV GIS, on the basis of calculating VFTO under seven kinds of operation modes, the damage of VFTO to transformer insulation and its influence on surge arrestor counter as well as the influences of closing resistor and voltage caused by residual charge on the amplitude and frequency of VFTO are researched.

以董箐水电站为研究背景，根据550 kV GIS结构及运行特点，在计算了隔离开关7种操作方式下VFTO的基础上，分析了VFTO对变压器绝缘的危害与对避雷器计数器的影响以及残余电荷电压和合闸电阻对VFTO幅值与频率的影响。

By means of simulation, the authors research the over-voltage level at AC and DC sides of converter station as well as arrestor operation condition caused by last breaker trip occurred in inverter station of UHVDC power transmission project from Yunnan to Guangdong; analyze and reveal the interrelations among over-voltage level, various operation conditions and different action delay of DC protections and propose the requirement to the time of protection coordination to ensure secure and reliable operation of equipments for the project.

文章对云广特高压直流系统逆变站最后断路器跳闸引起的换流站交直流侧过电压水平以及避雷器工况进行仿真研究，分析揭示不同运行工况、不同直流保护动作延时与过电压水平的相互关系，提出对保护配合时间的要求，以确保系统设备能安全可靠运行。

Secondary arrestor type .

第二避雷器类型。

The products includes on-line intelligent monitoring and diagnosis system of six dissolved gases and water contents in transformer oil; transformer partial discharge on-line monitoring system; capacitive electrical apparatus and metal oxide arrestor insulation on-line monitoring system,etc,.

该产品包括变压器油中六种溶解气体及微水含量在线智能监测诊断系统；变压器局部放电在线监测系统、电容性电气设备及金属氧化物避雷器绝缘在线监测系统等十多种系列产品，监测特征量多、功能齐全，智能化程度高，可靠性和灵敏度满足工程运行要求。

Fly key Founded in 1985, are National Machinery Industry, the Ministry of Electric Power Industry Ministry sentinel production enterprises, specializing in the production of a variety of voltage fuses, surge arresters, isolation switch, load switch, a portable short-circuit grounding line, high-pressure acoustic ray electroscope, high pressurerod and other products.

衡水飞键电力器材有限公司创建于1985年，是国家机械工业部，电力工业部定点生产企业，专业生产各种电压等级熔断器，避雷器，隔离开关，负荷开关，携带型短路接地线，高压声光验电器，高压拉闸杆等系列产品。

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。