查询词典 string orchestra

The pollution flashover accidents take place sometimes in power system and the loss because of which is large, So it is significant to study deeply the pollution flashover performance and DC discharge model of long insulator string at high attitude.

电力系统污闪事故时有发生，且所造成的损失是巨大的，因此深入开展低气压下绝缘子串污闪特性及直流放电模型研究具有重要的学术意义和工程应用价值。

Analysis of ice flashover on 500 kV transmission line insulator string shows that the cause was that water-film with high conductivity lower the voltage.

通过对500 kV输电线路绝缘子串冰闪故障的分析，找出绝缘子串发生冰闪的主要原因是冰凌桥接导致融冰时形成连续的高电导率的水膜，而使冰闪电压降低。

Y-type insulator string ; voltage distribution ; DC ; AC ; high voltage engineering

Y型绝缘子串；电压分布；直流；交流；高电压技术

As there are distributed capacitances between the insulators and the tower and lines, the distribution voltage along the insulator string is seriously asymmetrical.

随着电压等级的不断提高，绝缘子串的长度相应增加，由于绝缘子的金具与导线、杆塔之间存在杂散电容，因此，长串绝缘子的分布电压严重畸变。

Research results show that under AC voltage the voltage distribution of Y-type insulator strings is extremely non-uniform and the voltage distribution curve of Y-type insulator string is si...

研究结果表明：在交流电压下，Y型绝缘子串的电压分布极不均匀，其电压分布曲线和交流悬垂I串类似；在直流电压下，Y型绝缘子串的电压分布极不均匀，绝缘子串导线侧绝缘子分担电压高于其它绝缘子，总体上呈现导线侧和杆塔侧两端高、中间低的分布趋势。

Calculation of limit wind inclined angle of guyed tower middle line insulator string.

拉线塔中线绝缘子串极限风偏角的计算。

Steel towers,called pylons,serve to carry the insulators,with each conductor suspended from the bottom of a group or string of insulator units.

高电压，高线建设通常是用于悬挂式绝缘钢塔，要求塔，进行服务的绝缘体，每个售票员暂停底部的一组或一系列绝缘体单位。

The joining of line arrester in insulator string in 35kV transmission lines sections which are easily stroked by thunder was researched.

研究了在35kV输电线路雷电&易击段&绝缘子串上并接线路避雷器来提高线路耐雷水平的方法。

For high voltages,overhead-line construction is generally used with suspension-type insulators.Steel towers,called pylons,serve to carry the insulators,with each conductor suspended from the bottom of a group or string of insulator units.

对于高电压、overhead-line普遍采用的建设与suspension-type绝缘体塔塔钢铁、服务、叫的绝缘体，每个导体停赛的底部或串绝缘子单位组。

The metal sheet can uniform the electric stress, reduce its maximum value and modify its direction on one insulator unit and acts as equalizing ring on an insulator string.

清洁和污秽两种情况下的实验结果证明了新型绝缘子确实可以有效地减少表面泄漏和显著地提高闪络电压。

Nowadays, most of research are to build a transmutative Petri Nets through adding controlling place sets, controlling arc sets and controlling policy to the basic Petri Nets, while the Controlled Petri Nets could be used to argue many controlling theory problems conveniently and to induce many logically and physically supervisory and solve the Event Feedback Controlling Problems and State Feedback Controlling Problem in DEDS supervisory theory.

目前大多数的研究表现为在变形后的受控Petri网基础上，利用各种方法求得各种逻辑型、结构型控制器，解决DEDS监控理论中的事件反馈控制问题与状态反馈控制问题。

On one hand, there are discussions with the works council and union about extension of short time working up to the end of September.

一方面，有讨论，工程理事会和联盟关于延长工作时间短至9月底。