1) trip rate
跳闸率
1.
At first,the paper records the trip rate and operation faults of HV transmission line in the recent years.
为降低线路故障所引起的大面积停电事故的发生,在统计近年来高压输电线路跳闸率和运行故障的基础上,总结了引起故障和跳闸的原因,它包括雷击、风偏放电、外力破坏、鸟害、覆冰舞动、污闪和不明原因等,总结了故障跳闸的主要特点和规律,从环境外因和线路内因两方面分析了引起故障的主要因素,并提出了有效的针对性防治措施,如减少避雷线保护角,降低杆塔接地电阻,加装线路避雷器、侧向避雷针和优化线路设计参数,加强风偏放电研究,加装驱鸟装置、防外力破坏等。
2.
Trip rate of Cangdong linhai double circuit lines on the same tower is calculated with electromagnetic transi-ent program(EMTP) and electrical geometrical model,and is compared with the trip rate of single circuit transmission lines.
利用电磁暂态程序EMTP及电气几何模型对沧东临海同塔双回线路的雷击跳闸率进行了计算,并与单回输电线路的雷击跳闸率进行比较。
3.
The lightning trip rate of transmission lines is calculated and analyzed.
对湖南雷击跳闸率进行计算分析 ,探讨雷击和污闪原因并提出了防雷、防污的措
2) tripout rate
跳闸率
1.
In this paper,the shielding failure tripout rate and back-flashover tripout rate on the sextuple circuit dual voltage 220 kV/110 kV transmission line are calculated.
针对220 kV/110 kV同塔6回并架线路进行了雷电绕击、反击跳闸率计算,并提出了具体的改进建议。
3) tripping frequency
跳闸频率
4) 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 total lightning 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。
5) shielding failure trip-out rate
绕击跳闸率
1.
To evaluate the shielding failure trip-out rate of the transmission lines accurately,a new model combining electromagnetic transient program(EMTP) simulation with Monte Carlo method is presented,where all random factors are taken into account and the higher accuracy for electromagnetic transient analysis of EMTP is kept.
为了能够更精确地计算输电线路的绕击跳闸率,将电磁暂态程序EMTP与蒙特卡罗法相结合,提出了一种新的计算输电线路绕击跳闸率的模型。
2.
This paper presents an algorithm of shielding failure trip-out rate (SFTOR) of overhead transmission line based on Monte Carlo method.
为了准确评价线路绕击耐雷性能,本文提出一种基于蒙特卡罗法计算输电线路绕击跳闸率的算法。
3.
The projection of exposed surface on the ground is adopted to calculate shielding failure trip-out rate.
为研究500kV高杆塔输电线路的绕击耐雷性能,采用改进的电气几何模型算法,通过暴露弧地面投影计算了线路的绕击跳闸率。
6) lightning trip-out rate
雷击跳闸率
1.
Evaluation of lightning 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 the lightning 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 and lightning 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。
补充资料：电导率(见电阻率)
电导率(见电阻率)
conductivity
d!日nd日O}已电导率(eonduetivity)见电阻率。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条