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- AC flashover voltage,voltage gradient along the leakage distance and the valid creepage distance of polluted insulators are related to its materials and configuration. 人工污秽绝缘子的闪络电压、污闪电压梯度和有效爬电系数均与其材质和型式有关。
- The 50% flashover voltage gradients and the effectiveness of creepage distance of composite insulators are larger than porcelain and glass insulators. 其沿面50%25闪络电压梯度和爬电距离有效系数均高于瓷和玻璃绝缘子;
- flashover voltage gradient 闪络电压梯度
- The flashover voltage of iced insulators of transmission lines is affected by the electrical characteristic of ice. 冰的电气特性影响输电线路覆冰绝缘子闪络电压。
- Compared with the amine curing agent, the casting epoxy resin cured by the acid anhydride has higher flashover voltage. 实验结果表明:酸酐固化的试样比胺类固化试样闪络电压要高;
- Besides, the flashover voltage of the dust is influenced by the moisture of the dust. 同时,平板模型的闪络电压还与沉积沙粒的含水量有关。
- Triggering creates a voltage gradient in the gas of sufficient magnitude to cause ionization of the lamp. 触发能在气体中产生足够大的电压梯度,进而使闪光灯发生电离!
- The pollution flashover voltage is affected by the kinds and quantities of the non-soluble materials on surfaces of the insulators. 绝缘子表面不溶物质的类型和量对其污闪电压有影响,然而在以往人工污秽试验中常忽略这种影响。
- Reactive power needs depend on the voltage gradient, which is a function of the network topology. 所需的无功取决于电压的增减率,其是网络拓扑的函数。
- The relationship between the wet flashover voltage and the precipitation or the water conductivity was 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 paper proposed a new mechanism of humidity effect on AC flashover voltage and clarified so called “additional influence of temperature”. 文中以大量的实验数据全面揭示了湿度对绝缘表面空气工频闪络电压影响的新机理,同时说明了“温度附加影响”的物理原因。
- The flashover voltage of three types EHV DC insulators (XZP-160, LXZP-210, XZWP-160) are related power function with the atmospheric pressure and freezing water conductivity. XZP-160、LXZP-210和XZWP-160绝缘子的覆冰闪络电压与气压、覆冰水电导率等呈幂函数关系。
- Thus, the ZnO-based varistor ceramics with high voltage gradient and great energy absorption ability become the main concerns in the field. 为了适应这一发展变化,电位梯度高、通流能量大的ZnO压敏陶瓷成了研究者们关注的对象。
- 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。
- It is presented that the flashover voltage of parallel insulator is lower than that of single insulator, while the V type insulator's is almost the same as that of single one. 指出并联绝缘子串间击穿电压相比单串时有所降低,而V字型串对击穿电压的影响很小。
- Floating power supply is used to neutron tube in logging neutron generator, which minimizes the space of high-strength electric field, and reduces the voltage gradient by 1/3 in the high-strength electric field. 摘要井下中子发生器高压倍加电路采用中子管悬浮式供电,使高电场强度的空间范围缩小,高电场强度区间内单位距离的电压降减少了1/3左右。
- Potassium dichromate was chosen as the pollutant with initial concentration of 100 mg/kg. A constant voltage gradient of 1 DCV/cm was applied and the experiment was operated for 48h. 选用重铬酸钾作为污染物,其最初浓度为100mg/kg,实验过程中施加1DCV/cm的恒定电压,运行48h。
- And the fluctuation of flashover voltages is linked to the variation of electric field caused by different suspension type. 认为绝缘子串悬挂方式对绝缘子串之间电场分布变化的影响是造成击穿电压变化的原因。
- The polluted flashover voltages of insulators reduce with the increase of salt density or dust density, and both the influences of salt density and dust. 根据一系列人工污秽试验,文中分析了等值附盐密度、灰密对不同型式绝缘子交流污闪特性的影响。
- Low frequency wet flashover voltage 低频湿闪络电压
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