雷击跳闸率,lightning trip-out rate
1)lightning trip-out rate雷击跳闸率
1.Evaluation oflightning trip-out rates for Zhejiang Power Grid by using lightning location systems;基于雷电定位系统的浙江电网线路雷击跳闸率评估
2.There are two indexes to evaluate the power line performance on preventing lightning strikes: the one is thelightning trip-out rate,the other is the lightning withstand level of the power line.衡量线路防雷性能优劣的重要指标有两个:一是线路雷击跳闸率;二是线路耐雷水平。
3.According to these records,the causes of lightning flashover including shielding failure stroke and back-shielding failure stroke were analyzed and therefore shielding-failure stroke rate andlightning trip-out rate were obtained.根据220 kV新杭线Ⅰ回路全线1962—1988年实测得到的716次雷击记录,分析了该线雷击闪络原因,求得了绕击率和雷击跳闸率;并根据雷击跳闸率的变化和雷电流在杆塔中的分流情况,说明改进防雷措施。
英文短句/例句
1.Calculation Method of Lightning Trip-out Rate from Four Circuits on One Tower Transmission Line同塔四回输电线路的雷击跳闸率计算方法研究
2.Protections Measures of Reducing the Lightning Trip-out Rate and Lightning-caused Breakage for Distribution Lines降低配电线路雷击断线和跳闸率的防护措施
3.Analysis of Lightning Stroke Fault on 500kV Transmission Line500kV输电线路雷击跳闸故障分析
4.Proper application of lightning arrester to reduce trip out rate of power transmission lines;合理应用消雷器 降低线路跳闸率
5.Analysis and prevention of Lightning Trip-out of Transmission Lines输电线路雷击跳闸原因分析及防雷措施
6.Calculation on Shielding Failure Trip-out Rate of 500 kV Transmission Lines with High Tower500kV高杆塔输电线路绕击跳闸率计算
7.Analysis on 110kV Transmission Line Tripping Caused by Lightning Stroke and Countermeasures雷击引起110kV线路运行跳闸分析和改进措施
8.Analysis on Lightning Stroke Tripping of 220 kV Double Circuit Transmission Lines on the Same Tower220kV同塔双回输电线路雷击跳闸原因分析
9.Analysis of Lightning Trip Fault on Transmission Line & Study on Fault Prevention Measure输电线路雷击跳闸事故浅析及防雷反事故措施的研究
10.Shielding Failure Flash-over Rate under Conditions of Super-high Voltage Transmission Line in a Mountainous Area山区超高压输电线路绕击跳闸率的探讨
11.Calculation of Shielding Failure Flashover Rate on Electric Transmission Line Based on Improved EGM输电线路绕击跳闸率的改进电气几何模型
12.Influence of objects on shielding failure rate of transmission line输电线路旁物体对线路绕击跳闸率的影响
13.Analysis and countermeasures on 220 kV and above transmission line lightning trip-out江西电网220kV及以上输电线路雷击跳闸分析及对策研究
14.Study on Striking Distance Factor and Calculation of Shielding Failure Flashover Rate for Transmission Line Based on Electric Geometry Method;击距系数及基于电气几何模型的输电线路绕击跳闸率计算的研究
15.Lightning failure analysis of ±500kV Jiang-Cheng HVDC transmission line±500kV江城线路雷电跳闸原因分析
16.Influence of Tripping to Power Grid Frequency and Voltage Stability机组跳闸对电网频率及电压稳定性的影响
17.Analysis of Failure Trip Rate of 1000 kV Double Circuits on the Same Tower1000kV同塔双回线路双回故障跳闸概率分析
18.Research of Lightning Over-Voltage in UHV Transmission Lines and Secondary Arc after the Single-Phase Trip-out Caused by Insulator-Flash;超高压输电线路雷电过电压及单相闪络跳闸后潜供电流的研究
相关短句/例句
lightning outage rate雷击跳闸率
1.For the transmission lines under operation,lightning outage rate can be converted through frequency of lightning outage and line distance.架空输电线路雷击跳闸率是全面了解线路运行可靠性的一项重要指标。
2.Basing on Generalized Integral method,completely reckoning in the tripout by induced lightning, the totallightning outage rate we have obtained.一般而言,评价一条供电线路遭受雷电的主要技术指标是耐雷水平和雷击跳闸率。
3)lightning-stroke trip-out rate雷击跳闸率
1.One of the main measure to reduce transmission linelightning-stroke trip-out rate is reducing impulse grounding resistance of line tower.降低输电线路雷击跳闸率的主要措施之一是降低线路杆塔的冲击接地电阻,在高土壤电阻率地区,采用传统的方法难以使杆塔的冲击接地电阻满足要求。
4)lightning trip-out雷击跳闸
1.Analysis and countermeasures on 220 kV and above transmission linelightning trip-out江西电网220kV及以上输电线路雷击跳闸分析及对策研究
2.Therefore the frequency oflightning trip-out has been greatly reduced.通过分析雷击故障频繁发生的原因,研究改进措施,对比襄樊地区防雷改造阶段性成果,采用补加或更换接地线、线路调爬、安装可控避雷针的方法可以大幅度降低雷击跳闸次数。
3.The statistics oflightning trip-out rates of transmission line of Guangyuan Electric Power Bureau over the years are carried out.统计了广元电业局历年来输电线路雷击跳闸率,采取的防范措施以及取得的防雷效果。
5)lightning strike雷击跳闸
1.Regarding the special topograph and landforms,It particularly analyses the characteristics,reasons,and preventive measures oflightning strike of 220 kV and above transmission lines of shanxi power network,and puts forward the countermeasures.针对山西省特殊的地形地貌详细分析了山西电网220kV及以上输电线路雷击跳闸的特点、原因和防范措施,并提出对策。
6)lightning trip雷击跳闸
1.By analysing the reason oflightning trip on 10kV power continuous line of integrated load,combining design and research of electric power engineering of JiuJinQu railway,some reasonable lighting proof measurements are bringed to improve lighting proof level of power continuous line.通过分析山区铁路10 kV电力贯通线路雷击跳闸产生的原因,结合九景衢铁路电力设计提出一些合理的防雷方式,以提高送电线路耐雷水平。
延伸阅读
电导率(见电阻率)电导率(见电阻率)conductivityd!日nd日O}已电导率(eonduetivity)见电阻率。
