according to the test result on xzp-160 insulator in a large artificial climate chamber, a flashover voltage forecasting method based on support vector machine(svm)is put forward.

在大型人工气候实验室对xzp-160绝缘子试验数据的基础上，提出了一种基于支持向量机的绝缘子闪络电压预测方法。

meanwhile, the factors which affect the flashover voltage of ceramic insulators were analyzed, the methods for improving the hold-off voltage were recommended from the in.

接触网覆冰不仅影响接触线的弛度、支柱的容量，在一定程度上还影响着接触网绝缘子的闪络电压。

the critical flashover voltage (v50)and standard deviation (δ) obtained by least square method and the method of weighted mean are not the best value fitted to the flashover probability data.

指出用这两种方法得到的百分之五十放电电压和标準偏差所代表的正态分布，并不是适合于试验数据的最佳分布；

the room temperature vulcanized (rtv) silicone rubber coating on the surface of insulator can incrcase the flashover voltage of insulators due to the migration of hydrophobicity of rtv coating.

研究了环境温度、硅橡胶的分子量、交联程度和涂层厚度等因素对憎水迁移特性的影响并对憎水性迁移机理问题进行了讨论。

ice coating on overhead contact line not only will influence contact line's sag and pole capability, but will influence the flashover voltage of insulator.

接触网覆冰不仅影响接触线的弛度、支柱的容量，在一定程度上还影响着接触网绝缘子的闪络电压。

because of rapid rising rate of nanosecond pulse, flashover voltage can reach a higher value after discharge channels have been built.

纳秒脉沖电压上升速率极大，放电时延内电压增幅较大，纳秒脉沖闪络电压高于其它电压波形；

salt-water fog also cause an increase of impulse flashover voltage but a slight decrease of ac flashover voltage.

盐雾对沖击放电电压也有提高，但却使交流放电电压有所降低；

the flashover voltage of the long strings iced insulator is power function relation with the air pressure, and it is linear relation with the strings length;

长串直流绝缘子冰闪电压与气压成幂函数关系，与绝缘子串长成线性关系。

the flashover performance of ice-covered xzp-210 insulator strings was investigated and the effects of the string length and arrangement on the icing flashover voltage were analyzed.

接触网覆冰不仅影响接触线的弛度、支柱的容量，在一定程度上还影响着接触网绝缘子的闪络电压。

the effect of charges remaining on a dielectric plate upon the 50% impulse surface flashover voltage u_(50) in the non-uniform field(rod-plane gap)is investigated.

针对不均匀电场（棒-板间隙）中绝缘板上残余电荷对50％沖击闪络电压u_（50）的影响做了一些试验研究。

the flashover voltage of polluted composite insulators is decreased with increase of sdd and the fog conductivity in acid fog and salt fog.

污秽合成绝缘子在酸雾、盐雾中闪络电压随污秽程度的增大而降低，随雾水电导率的增加而降低。

test and research results show that in high altitude environment, the influencing characteristic exponent of atmospheric pressure on pollution flashover voltage is 0.

结果表明，高海拔条件下的气压对污闪电压影响的特征指数为0。

so there is important implication value and academic value to systemic investigation of the effect of the existence of air gap to the flashover voltage along the ice-covered insulators.

因此，深入、系统的研究空气间隙中的放电活动对绝缘子串闪络电压的影响有着重要的工程应用价值和学术意义。

icing weight and icing water conductivity are the two independent parameters which affect on the lowest ac flashover voltage of icing composite insulators.

覆冰量和覆冰水电导率可认为是影响覆冰合成绝缘子最低交流闪络电压的二个彼此独立的参变量。

the current and voltage response of surge discharge circuit to impulse flashover voltage test system is analyzed.

对电力电缆故障沖击高压闪络测试（简称沖闪测试）系统的放电响应进行了研究。

the relationship between the wet flashover voltage and the precipitation or the water conductivity congruous with the power function relation .

淋雨量、雨水电导率大小对支柱绝缘子的污雨闪电压影响也较大，且均符合幂函数关系。

the discharge at the top of icicle is one of the main factors influencing flashover voltage when the air gap amid the sheds of ice-covered insulators is not bridged.

覆冰绝缘子伞裙间隙未桥接时，冰凌尖端的放电是影响绝缘子闪络电压的主要因素之一。

the correction method of switching impulse flashover voltage under high altitude was discussed and the altitude correction coefficient was given.

讨论不同海拔高度下操作沖击放电电压的校正方法，并给出海拔校正系数；

the iced insulator flashover voltage of adopting freezing water conductivity way is higher than the brushing dirtiness way and the former pressure index is higher than the latter;

利用改变覆冰水电导率的方法来模拟覆冰绝缘子污染比采用涂污法所得的闪络电压低，气压特征指数大；