| 1. | Y5ws2 porcelain metal oxide lightning arrester Y5ws2型瓷金属氧化锌避雷器 |
| 2. | Design of testing device for monitoring leakage current from zinc - oxide surge arrester 一种氧化锌避雷器泄漏电流测试仪的设计 |
| 3. | Manufacturer of high voltage resistors , power and precision resistors , high voltage dividers , hybrid circuits , resistor networks , pressure and force sensors and load cells -生产ai - 6000自动抗干扰精密介质损耗测量仪,氧化锌避雷器测试仪,地网接地电阻测试仪,油介损电阻率测量仪。 |
| 4. | The limitations are inevitable in conventional yearly preventive test of zno surge arresters . so it is in need increasingly to research the on - line monitoring technique for the arresters 传统的一年一度的停电预试具有较大的缺陷,因此有必要对氧化锌避雷器的运行状况进行在线监测。 |
| 5. | In order to protect the installation and ensure that the power work economically and reliably , metal zinc oxide arrester ( moa ) has used in almost all types of installation 为了保护电力设备和确保电力系统的经济可靠运行,氧化锌避雷器(简称moa )被广泛地运用于几乎所有类型的电力系统中。 |
| 6. | Considering that the zno surge arresters have canceled gaps , they will deteriorate gradually under operating voltage . some of them will be moistened because of structure problems 然而氧化锌避雷器没有放电间隙,在长期的运行电压作用下,其阀片会逐渐劣化;或由于避雷器本身结构不良而受潮。 |
| 7. | The zno surge arresters are important over - voltage protection devices . they are widely used in electric power system due to their excellent nonlinear and high surge absorbing capability 氧化锌避雷器是一种重要的过电压保护电器,由于它具有优越的非线性与保护性能而在电力系统中得到了广泛的应用。 |
| 8. | High voltage shunt capacitor installation is comprised of assembling capacitor , high voltage vacuum or sf6 switch , serial reactor , zno arrestor and discharge device . because of its simple structure , small cubage , high output , 由集合式并联电容器和高压真空或六氟化硫断路器串联电抗器氧化锌避雷器及放电线圈等设备组成的高压并联电容器成套装置,具有装置结构简单体积小容量大占地省 |
| 9. | Metal oxide surge arrester ( moa ) is one of the most important equipments in electric power system . whether its running status is good or not directly affects other equipments in substations . so it is necessary to on - line monitor moa 氧化锌避雷器(简称moa )作为电力系统中的重要设备之一,其运行状态的好坏直接影响到电站中其它电气设备的安全运行,因此对moa在线监测是十分必要的。 |
| 10. | In this paper , the on - line monitoring technique of leakage current , especially of the resistive leakage current through the zno surge arresters under operating voltage is discussed . the existing different monitoring methods are investigated at fist 本文对氧化锌避雷器运行电压下的泄漏电流、尤其是阻性电流分量的监测技术进行了研究。在综合现有监测方法的基础上,基于阻性电流基波法提出了一种改进的基波法。 |