flashover

flashover

1. 3000V(DC) 1min without breakdown and flashover.

1分钟无击穿,无飞弧现象.

2. Cause Analysis and Treatment for the Pollution Flashover of Double Suspension Strings for 500 kV Transmission Lines

500kV线路双联悬垂绝缘子串污闪原因及防止对策

3. Study on Flashover Performance of Post Insulator for 750 kV Transformer Substation in High Altitude Area

750 kV变电站支持绝缘子在高海拔地区的污闪特性研究

4. ANALYSIS OF THE SURFACE FLASHOVER ON GIS BASIN INSULATOR UNDER LIGHTNING IMPULSE VOLTAGE

GIS绝缘子在冲击电压下沿面闪络的分析

5. RTV pollution flashover dope

RTV防污闪涂料

6. 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。

7. WU Bo-hua,CHEN Ji-dong.Influence on equivalent zero-sequence impedance due to groundwire-involved gap flashover[J].Central China Electric Power,2000,13(3):8-10.

[8]吴伯华,陈继东.绝缘间隙放电对线路零序阻抗的影响[J].华中电力,2000,13(3):8-10.

8. Yu Defen,Gu Leguan,Sun Caixin,et al.The research to token on flashover characteristics of insulator in the acid wet precipitation [J].Proceedings of the CSEE,2001,21(4):15-19(in Chinese).

[9]余德芬,顾乐观,孙才新,等.酸性湿沉降对绝缘子闪络特性的表征量研究[J].中国电机工程学报,2001,21(4):15-19.

9. Shu Lichun,Sun Caixin,Gu Leguan.AC flashover performance of insulators under ice-covered and low pressure conditiom[J].High Voltage Engineering,1995,21(2):14-18(in Chinese).

[9]舒立春,孙才新,顾乐观.覆冰、低气压下染污绝缘子的交流闪络特性[J].高电压技术,1995,21(2):14-18.

10. A THEORETICAL CALCULATION MODEL FOR FLASHOVER VOLTAGE OF ICE-COATED AND POLLUTED INSULATORS

一种覆冰污秽绝缘子闪络电压的理论计算模型

11. Analysis about a Windage Yaw Flashover on Transmission Line and its Prevention and Control Measures

一起线路导线风偏闪络的分析计算及防治措施

12. Comparison of the AC Pollution Flashover Characteristics of Insulators Under Two Different Polluting Manners

两种不同染污方式下绝缘子交流闪络特性的比较

13. DC Contamination Flashover Performance of Composite Insulators Lost Hydrophobicity

丧失憎水性的直流复合绝缘子耐污特性

14. The critical flashover current reduces with the decrease of air pressure.

临界闪络电流随着气压的降低明显减小。

15. To get more credible and available flashover electricfield strength (FEFS), we research on the statistical characteristic of PMMA samples.

为了获得更加可信和有效的试验结果,以有机玻璃作为实验样品研究了纳秒脉冲下沿面闪络场强的统计特性。

16. A set of apparatus for studying flashover behavior of PE film in vacuum and it's measurement system are developed in our work.

主要介绍了所研制的一套适用于沿面闪络特性研究的实验装置和测量诊断系统。

17. Analysis and Control of the Pollution Flashover of Transmission Lines in Yunnan High Elevation Area

云南高海拔地区输电线路污闪分析与控制

18. Analysis and countermeasures of roof insulator flashover in electric locomotives running in Beijing-Guangzhou line

京广线电力机车车顶闪络问题分析及对策

19. Study of Flashover Characteristics of Artificial Contaminated Insulator under Lightning Impulse Voltage Superimposed on Power Frequency Voltage

人工污秽绝缘子工频下叠加雷电冲击的闪络特性研究

20. 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。

21. The principle and function of adding extra-large shed to the top shed of composite insulators to prevent the flashover caused by guano are presented.

介绍了复合绝缘子加装超大伞裙防止鸟粪闪络的作用和原理,对其在设计使用中出现的问题进行了分析,并提出了相应的防范措施。

22. The process and feature of flashover of h.v.power appliance under pollution is described.

介绍了高压电力设备外绝缘发生污秽闪络的过程和特点。

23. The definition of gaseous flashover was difined by the way of pressure and temperature and the relation of the parameter of the time was conformed.

从压力和温度的角度定义了气体的气相轰燃时刻,并分析了此时刻各个参数的关系。

24. Profiles of HVDC post insulator and bushing used in converter station was researched from three aspects including pollution accumulation,artificial pollution test and artificial rain flashover test.

从积污、人工污秽试验、人工雨闪试验3个方面对高压直流换流站直流支柱绝缘子和套管伞形结构进行了研究。

25. But Emmons observed that at flashover, the hot smoky layer instantly drops down.

但埃蒙斯观察到发生闪燃时，热烟层瞬即下落。

26. ICE FLASHOVER PERFORMANCE AND COMPARISON ON THREE TYPES OF DC INSULATORS AT LOW ATMOSPHERIC PRESSURE

低气压下三种直流绝缘子覆冰闪络特性及其比较

27. Analysis of Factors Effecting DC Flashover Performance of Insulator Under Icing and Low Atmospheric Pressure Condition

低气压覆冰条件下绝缘子的直流闪络特性

28. Low frequency wet flashover voltage

低频湿闪络电压

29. On Normal Flashover Voltage Parameter of Polymer Insulator

关于复合线路绝缘子常规闪络电压特性的研究

30. Keywords compartment fires;flashover;ventilation control combustion;fuel control combustion;

关键词室内火灾;轰燃;通风控制;燃料控制;

31. Keywords combustion;comprehensive method of predicting flashover;linear correlation;flashover;compartment fire;

关键词燃烧学;轰燃综合预测法;线性回归;轰燃;室内火灾;

32. KEY WORDS：Arrester；Lightning flashover；Overvoltage；Silicon rubber；Zinc oxide valve element

关键词：避雷器；雷击闪络；过电压；硅橡胶；氧化锌电阻片

33. 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%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；

34. 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。

35. It is confirmed that photoionization is an important factor of flashover in transformer oil under nanosecond pulses.

分析表明：光电离是纳秒脉冲下变压器油中闪络的重要因素。

36. Keywords Temperature rise rate;Enclosure fires;Flashover;Vent-controlled burning;Fuel-controlled burning;

升温速率;室内火灾;轰燃;通风控制燃烧;燃料控制燃烧;

37. Analysis on Pollution Flashover Accidents in 500 kV Transmission Lines of East China Power Grid over the Years and Research on Optimal Configuration of External Insulation

华东电网500 kV线路历年污闪事故分析及外绝缘配置优化研究

38. It was concluded that charge injection and recombination would restrict the field electron emission, and increase the threshold voltage of flashover and decrease its scattering.

发生在绝缘体表层的电荷注入和复合过程能够在一定程度上抑制场致电子发射，从而提高沿面闪络电压，并降低闪络电压值的分散性。

39. Ways for Handling Flashover and Over-heat at the Collector Ring of a Generator

发电机集电环打火、温度过高的处理方法

40. 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。

41. Keywords fire source with sand;compartmental fire;flashover;

含沙火源;室内火灾;轰燃;

42. Plenty ofresearch work has been done on flashover across the oil-solid interface, but subjectedvoltages are focus on DC, AC and LI.

国内外对此沿面闪络现象的研究主要集中在直流、工频和雷电冲击下,而纳秒脉冲下的沿面闪络研究较少。

43. Although the AC flashover performance of a polluted insulator has nationally been studied well, there is few study on the valid creepage distance of various types of insulators.

国内虽对污闪特性研究较多，但对不同绝缘子的有效爬电系数研究不多。

44. Based on the successful simulation of flashover caused by bird dropping, the mechanism of this kind of flashover and the flashover conditions are studied in this paper.

在人工模拟鸟粪闪络现象的基础上，对鸟粪闪络机理及闪络条件进行了研究。

45. Actually,in many previous cases of unknown reason flashover a considerable number could beattributed to bird droppings.The anti-flashover method is also discussed.

在以往认为的不明原因闪络中，有相当一部分实际上是属于鸟粪闪络，并对防止鸟粪闪络的措施进行了讨论。

46. Polluted insulators may flashover at any time under disadvantage weather conditions.

在恶劣的自然环境下,积污绝缘子随时可能发生闪络。

47. Study on the Influence of Fire Load and Smoke Exhaust and Air Supply on the Flashover in the Standard Room

在标准房间,火灾荷载及排烟送风对轰燃影响的研究

48. Keywords subway carriage;fire;catastrophe theory;flashover;

地铁车厢;火灾;突变;轰燃;

49. Insulator Flashover Voltage Forecasting Under Complex Circumstance Based on Support Vector Machine

基于支持向量机的复杂环境条件下绝缘子闪络电压的预测

50. Calculation of Shielding Failure Flashover Rate for Transmission Line Based on Revised EGM

基于改进电气几何模型的绕击跳闸率的计算

51. Flashover in Subway Fire Based on Catastrophe Theory

基于突变论的地铁车厢火灾中轰燃条件分析

52. Design for an On-Line Monitoring and Measurement System of Insulator Contamination Flashover Based on Free Software

基于自由软件的绝缘子污秽在线监测系统设计

53. Effects of Trapping Parameters of Composite Materials on Its Surface Flashover Under High-Voltage Pulse in Vacuum

复合材料的陷阱参数对其在真空中高压脉冲下沿面闪络特性的影响

54. EXPERIMENTAL ANALYSIS OF UNIDENTIFIED FLASHOVER FOR COMPOSITE INSULATORS

复合绝缘子不明闪络原因的实验分析

55. Study on AC Flashover Performance and Correction of the Insulators in Complex Environment

复杂环境中绝缘子交流闪络特性及校正方法研究

56. THE BUILDING AND APPLICATION OF A NEURAL NETWORK MODEL FOR FORECASTING THE FLASHOVER VOLTAGE OF THE INSULATOR IN COMPLEX AMBIENT CONDITIONS

复杂环境条件下绝缘子闪络电压预测神经网络模型的建立及应用

57. Different mathematical models in the form of differential equations have been developed for predicting the occurrence of flashover.

多种偏微分方程形式的数学模型已用于预测轰燃的发生。

58. 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；

59. The experimental results indicate that the nylon clapboards of the pulse forming line have no flashover along the surfaces at 3.6 MV.

实验结果表明：在3.6 MV脉冲电压作用下，脉冲形成线的前后尼龙隔板未出现表面闪络等绝缘问题，脉冲形成线的绝缘满足设计要求。

60. State of the art report of research on the stage of flashover in compartment fires

室内火灾轰燃研究的动态述评

61. The paper presents the author's flashover and technical experiments on three combustible building and decorative materials, such as thipywood, paper and cloth.

对建筑物中常见的3种可燃物三合板、纸、棉布进行了工业分析实验和轰燃观测实验。

62. Influence of Conductive Particles on the Impulse Flashover of Disc Spacer in Compressed SF_6

导电微粒对SF_6中支撑绝缘子冲击闪络性能的影响

63. Field circuit breaker failure causing too low arcing voltage followed by blast of ionised air in +ES cubicle and flashover at the left extremity of AC bus bars.

导致弧压过低的磁场断路器故障是引发+ES柜空气电离和交流母排左侧末端处发生闪络的原因。

64. The creative project of flashover is the fifth sub project in the series.

尝试在全球化思维经纬框架下，提出艺术对话的企图。

65. power-frequency dry flashover voltage

工频干击穿电压

66. power-frequency wet flashover voltage

工频湿击穿电压

67. power-frequency voltage flashover

工频电压击穿

68. Power Frequency Pre-voltage Influence Study on Lightning Impulse Flashover Characteristics for Insulator

工频预电压对绝缘子雷电冲击闪络特性影响的研究

69. The flashover of contaminated insulators in HV and UHV system threatens the security of power transmission severely.

应用不同算法提取了高压绝缘子闪络过程中泄漏电流的分形特征。

70. A RESEARCH ON POWER FREQUENCY AC POLLUTION FLASHOVER OF LONG INSULATOR STRINGS UNDER HIGH ALTITUDE BY NEW TYPE OF ARTIFICIAL CLIMATE CHAMBER

应用新型人工气候室研究长串绝缘子的工频污闪特性

71. Based on the thermal degradation kinetic equations and the characteristic concentration, the flashover forecast model for limited space was set up.Finally, a case was presented by this model.

建立了基于热解动力学方程和特征浓度的有限空间轰燃预测模型,并给出了计算实例。

72. The focal point of external insulation design of the UHV transformation equipment is against the heavy rain flashover of big bushing.

强调指出,在保证爬距的同时,超高压变电设备污秽外绝缘设计的重点是防止大型套管的雨闪。

73. When compartment fire reaches flashover, the temperature rises rapidly, resulting in the ignition of all surfaces of the combustibles within the compartment.

当室内火灾发展到轰燃时,房间温度急剧升高,室内所有可燃物表面都发生燃烧,从而造成严重的建筑破坏、财产损失和人员伤亡。

74. Sometimes termed sparkover or flashover when the discharge is on the external surface

当放电在外表面时称为火花放电或闪络

75. Measures to Eliminate Flashover Due to Contamination of the Equipments in the Production Area of a Metallogical Works

抑制冶金厂区气设备污闪的措施

76. 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。

77. Causation Analysis and Prevention Countermeasure against Large-Area Pollution Flashover of Catenary Strut Insulator

接触网棒式绝缘子大面积污闪原因分析及防范对策

78. 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。

79. Study on Improving Power Flashover Voltage of Glass Insulator Strings on 220 kV Zhouyang Transmission Line

提高220 kV周洋线玻璃绝缘子串工频闪络电压的研究

80. Abstract： The process and feature of flashover of h.v.power appliance under pollution is described.

摘 要： 介绍了高压电力设备外绝缘发生污秽闪络的过程和特点。