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- 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。
- INFLUENCE OF INSULATOR INSTALLATION FORM ON ITS POLLUTION FLASHOVER VOLTAGE 绝缘子安装结构对污闪电压的影响
- Derivation and Application of Theoretical Function Between Pollution Flashover Voltage and Equivalent Salt Deposit Density 污闪电压与等值盐密理论关系式的推导与应用
- 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。
- pollution flashover voltage 污秽闪络电压
- Silicone material has been widely used in power system to prevent pollution flashover of outdoor insulation. 目前,有机硅材料广泛应用于电力系统外绝缘,用于防止污闪事故的发生。
- 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;
- With the development of EHV/UHV DC transmission projects, it is inevitable to study DC pollution flashover performance of long insulator strings. 超、特高压直流输电的发展需要对长串直流绝缘子污闪特性研究。
- 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。
- The study of the pollution flashover mechanism has great significance to prevent external insulation accident and guarantee power system running steadily and safely. 研究合成绝缘子在污湿环境中的闪络机理对于防止架空线路外绝缘事故的发生、保证电力系统的安全稳定运行具有重要的科学意义和实用价值。
- 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 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;
- 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 consequences of some accidents in the electric power generation are severe in which it could be pollution flashover, interference of small animals, ice coating flashover or condensation flashover. 电气设备运行中污闪、小动物、覆冰闪络、凝露闪络等事故产生的后果是非常严重的。
- 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。
- Pollution flashover accident of insulators may threaten the operation safety of power system, whereas, the research on pollution flashover circuit model is based on the plate model by now. 绝缘子污秽闪络事故严重威胁电力系统的安全可靠运行,目前国内外对污闪机理的研究主要以平板模型为基础。
- 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。
- 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。