特高压输电线路绝缘子串较长，电压分布很不均匀。
The insulator strings of UHV AC transmission lines are very long, and the voltage distribution along them is non-uniform.
其研究内容包括绝缘子串长与50%人工污秽工频耐受电压关系；
The content of study included the relation between the length of long string insulators and U 50% of the artificial pollution power frequency withstand voltage;
考虑同一杆塔上的其他相导线的影响时绝缘子串电位分布更加不均匀。
The other phase of conductors on the same towers impact the potential distribution of insulator strings more uneven.
对各种长绝缘子串电压分布计算结果表明：计算值与实测值吻合得很好。
The values of the voltage distribution calculated by this method are in good agreement with experimental measurements.
本文为绝缘子串在干燥和清洁条件下合成电压闪络特性的实验研究结果。
This paper presents the results of the experimental studies on the flashover characteristics of insulator strings under dry and clean conditions applied with composite voltages.
输电线路的绝缘配合主要是选择绝缘子型式、绝缘子串的片数和空气间隙。
Selection of insulator type, number of insulator string and air space is the main basis of transmission line insulation coordination.
型绝缘子串用于重污秽地区输电线路时，可减小杆塔尺寸，降低工程造价。
The size and construction cost of the tower can be decreased while Y-strings are applied in heavy pollution area.
型复合绝缘子串在大风作用力下受到弯曲变形，有球头脱落造成掉串的风险。
The bending deformation of V-shape composite insulator string under strong wind may cause the risk of ball head falling off and string falling apart.
在力学试验中，采用了倒v型绝缘子串的横担侧挂点固定、导线侧加力的方法。
In the mechanic testing, the method of backward V insulators with the side fixing of cross-arm and adding force on side of wire was adopted.
利用电网络法对特高压悬式瓷绝缘子串均压环的尺寸及罩入深度进行了优化计算。
The size and cover depth of corona rings of UHV suspension porcelain insulator stings were calculated by electric-network method.
本文介绍了在风洞中所作的悬垂绝缘子串和跳线的风偏试验以及所测得的数据和曲线。
In this paper measured data and curves obtained by testing full scale suspension insulator string and jumper wire in large wind tunnel are introduced.
针对传统计算方法的不足，采用有限单元法计算分析动态风作用下悬垂绝缘子串的风偏。
Finite element method is applied to analyze the windage of suspension insulator strings under dynamic wind loads.
试验测量了13片XP- 160型绝缘子串空间电场分布特性，并与仿真结果进行比较分析。
The space electric field distribution characteristic of XP-160 type string (13 pieces) was measured by test, and those results were compared with the simulation results.
为保证线路安全运行，研制安装了保护绝缘子串的引弧间隙，并先后在锚塔和高塔上安装了避雷器。
To ensure operation of transmission line safely, the arcing gap of insulator was developed and installed, and arrester was installed one after another on anchor tower and high tower.
因此，确定绝缘子串电位分布，对检测低、零值绝缘子，确保输电线路的安全、稳定运行具有重要的意义。
Therefore, to determine the potential distribution of insulator string is very important to detect the poor insulator and safety and stable operation of transmission line.
论文研究表明，仿真计算瓷绝缘子串的空间电场时需考虑导线、杆塔、绝缘子串型式、污秽等因素的影响；
The study has shown that, the wire, towers, insulator string types, pollution and other factors should be considered to calculate the space electric field of porcelain insulator strings.
根据绝缘子串的实际电压分布值与国标给定的电压分布值相比较，可以判断出有无劣化绝缘子片以及其位置。
We can estimate whether there is faulty insulator and where by comparing the actual and the measured value of the distribution voltage.
火力发电厂及变电所中悬垂绝缘子串片数的选择是电气设计中必须的步骤和容易产生混乱的难点，因此本文对此进行了研究。
Test and research result shows that the retrofit of backward V insulators can be carried out for 500 kV suspension insulator string, and when it is .
线路避雷器仅能保护安装了线路避雷器的杆塔自身的线路绝缘子（串）不发生雷击闪络，无外延的雷击保护范围。
The line arresters can only protect the line insulators on the tower equipped with the line arresters from lightning flash and they have no extended protective range.
针对运行中瓷质绝缘子掉串事故进行分析，找出事故的主要原因，并提出相应的防范措施。
In this paper, the main reason of bunch - drop accident of ceramic insulator in transmission line has been analyzed and found out, then some relevant countermeasures have been presented.
在2008年初的电网冰灾事故中，导地线金具和绝缘子覆冰掉串是输电线路事故中常见的情况。
In the ice calamity accident of power grid on beginning of 2008, the common condition in the accident of transmission line was the ice loading on earth wire fittings and insulators.
本文还对耐张复合绝缘子的选型进行了分析，并论证了复合绝缘子应用于耐张串的可行性。
The feasibility of the composite insulator's application as the tension strings are discussed, and the principle and the restriction are presented.
对于单回线杆塔，中相串的单片绝缘子承受最大电压值比边相串高；
The maximal withstand voltage of single insulator for the middle string of single circuit tower is more than the side string.
对于单回线杆塔，中相串的单片绝缘子承受最大电压值比边相串高；
The maximal withstand voltage of single insulator for the middle string of single circuit tower is more than the side string.
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