避雷器

After multiple lightning strikes and years out in the elements, lightning arrestors themselves can fail, creating a momentary short-circuit on the power grid.

闪电多次击中这些零部件后，久而久之这些避雷器就会慢慢失效，在电网上形成一个瞬间的短路。

The reliability and protection level in conjunction with the reduced mass of the surge arresters are required for the surge arrestors developed for 1000kV AC transmission systems and ± 800kV DC transmission systems.

本文针对1000kV交流系统和±800kV直流系统中各种避雷器对安全可靠性、重量轻、体积小型化的要求，总结了国内外竞相开展的提高ZnO压敏电阻片电位梯度和能量吸收能力的研究开发工作。

After more than ten years rapid development,the Company introduced advabced zinc oxide varristor production equipment,surge arrester manufacturing equipment and 500kVno-partial discharge power frequency test transformer,impulse current generator,300Kv DC high voltage generator,and so on.

公司经过十多年的发展，先后引进国内先进的氧化锌电阻片生产设备、避雷器制造设备及500V工频无局放试验变压器、冲击电流发生器、300kV直流高压发生器等验测试设备。

The main products TQSW no local place-frequency electrical impulse voltage testing transformer test sets of series resonant frequency generator unit test transformer dry-type high-voltage testing transformer the ball-gap discharge frequency divider DC High-frequency DC generator, generator, inverter-current multi-function grounding impedance test system-current generator (up-flow device) performance of an integrated test bed Transformer Partial Discharge Detector mechanical properties of high-voltage switches Vacuum Tester Tester Tester Loop Resistance transformer capacity Tester-Load Switching Test Transformer tumor resistance measurement Transformer turns ratio tester tester MOA group tester insulating oil dielectric strength tester transformer loss parameter Intelligent Tester transformer loss-line parameter tester frequency interference dielectric loss dielectric loss tester anti-interference relay tester Ground Yin Xiaxian conduction tester cable fault tester tester tester generator rotor impedance large Grounding Resistance Tester Tester transformer features an integrated micro-moisture meter aperture automatic flash point tester Automatic Closed flash point detector vacuum oil filter boots pressure test device (automatic, semi-automatic) nuclear phase Instrument Series wireless digital core Instrument security tools relative to the mechanical properties testing machine clamp grounding resistance of grounding resistance measuring instrument digital megger digital high-voltage insulation resistance tester and a scalable high-altitude test tools, digital dual-phase volt-ampere facade sequence table clamp Three-phase Power Parameters Tester Calibrator lightning strike counter dedicated test wire, clamping insulation boards, pipe, cable tray mats polyimide film conductor line busbar electric appliances

扬州市苏博电气有限公司扬州市苏博电气有限公司主要产品有TQSW无局部放电工频试验变压器冲击电压发生器变频串联谐振试验成套装置试验变压器干式试验变压器高压分压器放电球隙中频直流发生器高频直流发生器变频大电流多功能接地阻抗测试系统大电流发生器变压器性能综合测试台局部放电检测仪高压开关机械特性测试仪真空度测试仪回路电阻测试仪变压器容量测试仪变压器有载开关测试仪变压器肿瘤电阻测试仪变压器变比组别测试仪氧化锌避雷器测试仪绝缘油介电强度测试仪变压器损耗参数智能测试仪变压器损耗线路参数综合测试仪变频抗干扰介质损耗测试仪抗干扰介质损耗测试仪继电保护测试仪接地引下线导通测试仪电缆故障测试仪发电机转子交流阻抗测试仪大型地网接地电阻测试仪互感器特性综合测试仪微量水分测定仪开口闪点全自动测定仪闭口闪点全自动测定仪真空滤油机绝缘靴耐压试验装置核相仪系列无线数字核相仪安全工具力学性能试验机钳形接地电阻仪接地电阻测量仪数字兆欧表数字高压绝缘电阻测试仪可伸缩高空测试工具数字双钳相位伏安表相序表三相电力参数测试仪雷击计数器校验仪专用测试导线，钳绝缘板，管，垫聚酰亚胺薄膜电缆桥架滑触线母线槽电热电器

Higher voltage gradients of the ZnO varistors lead to higher requirements for their energy absorption densities.

在现有生产制造能力的条件下，特高压避雷器采用ZnO阀片的电压梯度越高，阀片所必须达到的能量吸收密度也越高。

In this paper, research works on the improvement of the voltage gradient and energy-handling capability of the ZnO varistor s are reviewed.

本文针对1000kV交流系统和±800kV直流系统中各种避雷器对安全可靠性、重量轻、体积小型化的要求，总结了国内外竞相开展的提高ZnO 压敏电阻片电位梯度和能量吸收能力的研究开发工作。

We can make products according GB, IEC, AS, BS, ANSI, DIN standards. Our company mainly produce Post insulator, Pin insulator and Porcelain Bushing.

公司主要生产以出口为主的柱式绝缘子、针式绝缘子、悬式绝缘子、电站铁路用支柱棒形绝缘子、避雷器、瓷套等。

We can make products according GB, IEC, AS, BS, ANSI, DIN standards. Our company mainly produce Post insulator, Pin insulator and Porcelain Bushing.

公司主要生产以出口为主的柱式绝缘子、针式绝缘子、悬式绝缘子、复合绝缘子、避雷器、玻璃绝缘子、瓷套等，。

The theoretical limitation of energy absorption density of a ZnO varistor is 517 J/cm3,and the related theoretical limitation of its voltage gradient is 686 V/mm.

笔者通过理论分析与计算得出，特高压避雷器适用ZnO阀片的方波能量吸收密度理论极限值为517 J/cm3，对应的电压梯度理论极限值为686 V/mm。

In this paper, research works on the improvement of the voltage gradient and energy-handling capability of the ZnO varistors are reviewed. The main methods to improve varistor voltage gradient (4.0kV/cm) and energy-handling capability (300J/cm3) of the ZnO varistors are presented.

综述分析了国内外用于交直流系统避雷器的高电位梯度、大能量吸收能力的新型ZnO压敏电阻片的研究开发和应用进展，总结了提高ZnO压敏电阻片电位梯度(达4.0kV/cm)和能量吸收能力(达300J/cm3)的主要途径。

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。