闪络
- flashover;arc-over;arcing-over
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GIS绝缘子在冲击电压下沿面闪络的分析
Analysis of the surface flashover on GIS basin insulator under lightning impulse voltage
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GIS中绝缘子与电极接触不良时闪络特性的分析
Research on the flashover behavior between electrode and insulator caused by bad contract in GIS
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基于RBF网络的覆冰绝缘子闪络电压预测模型
Flashover Voltage Forecasting Mode of Iced Insulator Based on RBF Network
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表面电荷对GIS支撑绝缘子的50%冲击闪络电压和伏秒特性也有一定的影响。
Surface electric charge can also affect the 50 % impulse flashover voltage and volt - second characteristic of CIS support insulator .
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直流下SF6中绝缘子的闪络特性
Flashover Characteristic Along the Insulator Under DC Voltage in SF_6 Gas
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着重阐述了3个方面的质量控制要点:防SF6气体泄漏、防SF6气体水份含量高和防GIS设备内部放电闪络。
Three preventions are emphasized : SF6 leakage , high vapor content and internal flashover .
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SF6中绝缘子在快速振荡与非振荡冲击电压下闪络特性
The Flashover Characteristic of Spacer in SF_6 under Fast Oscillating and Nonoscillating Impulse Voltage
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导电微粒对SF6中支撑绝缘子冲击闪络性能的影响
Influence of Conductive Particles on the Impulse Flashover of Disc Spacer in Compressed SF_6
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存在固定导电微粒时SF6中绝缘界面在陡波下的闪络特性
The Flashover Characteristics of Spacers with Fixed Conducting Particles in SF_6 under Steep-front Impulse Stresses
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550KVGIS盆式绝缘子闪络事故的分析
Analysis on the flashover of basin-insulator in 550 kV GIS
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本文通过试验方法,研究了绝缘子串并联和V字型悬挂型式对雷电闪络特性的影响,可以为现场绝缘子安装提供参考。
Tests of lightning flashover characteristics of parallel and V-shape of insulators are carried out in the thesis , and may provide instruction to installation of insulators .
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SF6/N2混合气体中绝缘子表面电荷积聚与沿面闪络的PIC仿真
Simulation of Charge Accumulation and Flashover on the Surface of Insulator in SF_6 / N_2 Gas Mixtures Using Particle-in-cell Method
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本文利用Hilbert-Huang变换及Hilbert谱对绝缘子泄漏电流进行分析,研究了污湿状态下绝缘子的闪络机理。
Hilbert-Huang Transform and Hilbert spectrum are introduced in this paper to analysis the insulator leakage current and pollution flashover mechanism .
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在岭澳500kV开关站0GEW系统倒送电过程中,500kV岭东甲线310JA的B相断路器由于设备质量问题发生绝缘闪络事故。
An insulation flashover of a 500 kV circuit breaker occurred in phase B at a 500 kV switchyard .
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岭澳500kV断路器绝缘闪络事故分析
Analysis of Insulation Flashover Accident of a 500 kV Circuit Breaker
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220kV主变开关断口闪络保护设计探讨
The design and discussion of 220 kV transformer breaker flashover protection
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110~500kV输电线路合成绝缘子闪络原因分析及对策
Analysis and Preventive Measures for Synthetic Insulator Flashover on 110-500 kV Lines
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由此讨论了35kV线路发生闪络的可能性。
A probability of the flashover in 35 kV transmission lines is discussed .
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110kV复合绝缘子的覆冰操作冲击闪络特性
Switching Impulse Flashover Performance of 110 kV Composite Insulator Covered-with Ice
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±800kV直流复合绝缘子短样人工污秽闪络特性研究
Study on Pollution Flashover Performance of Short Sample of ± 800kV UHV DC Composite Insulators
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海拔4000m以上地区4种合成绝缘子覆冰交流闪络特性及电压校正
AC flashover performance and voltage correction of four types of iced composite insulator at altitude 4000m above
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220kV新杭Ⅰ回线1961~1994年雷击闪络跳闸分析
Analysis of lightning trip out of a 220 kV transmission line from 1961 to 1994
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海拔2500m以下污秽覆冰绝缘子直流闪络特性及机理研究
Study of DC Flashover Performance and Mechanism of Iced & Polluted Insulators at Altitude of 2500m Below
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我国500kV输电线路风偏闪络分析
Analysis on flashover between tower and conducting wires in domestic 500 kV transmission lines caused by windage yaw
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利用ANSYS有限元数值计算软件包仿真计算内电极直径、闪络距离、固体介电常数等参数变化时对同轴空间电位(电场)的影响;
Based on ANSYS software package , the influence on coaxial spatial electric potential or electric field strength is calculated as the parameters variation , such as inner electrode diameter , flashover length , and solid dielectric factor , etc.
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对110kV三相共箱式GIS绝缘子的闪络实验表明,表面电荷可使绝缘子沿面闪络电压下降23.4%。
The experiment of a 3 phase enclosed GIS insulator shows that the surface flashover voltage is reduced nearly by 23.4 % owing to the effect of the surface charge accumulation .
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研究结果表明,对于支柱绝缘子,其冲击闪络电压与湿度之间的关系基本符合现行IEC标准。但对于套管,其冲击闪络电压与湿度之间的关系与现行IEC标准完全相反,大致成镜像关系。
The results show that the relationship between impulse flashover voltage and humidity is coincided with the current IEC standard for support insulators , however a just opposite tendency was found when impulse flashover occurred along bushing surfaces .
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研究表明,极不均匀场中SF6绝缘固体介质表面在陡波作用下的闪络特性不同于气体间隙,其原因可能是位移电流的作用。
The results show that the flashover behaviors along the surface of spacers in SF6 in highly non - uniform electric field are different from those of the gas gap , which may be due to the displacement current .
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定量计算了CaSO4对等值盐密(ESDD)的贡献,并通过比较闪络电压Uf的实测值与计算值给出了间接验证。
The contribution of CaSO 4 in insulator surface dirt to equivalent salt deposit density ( ESDD ) is quantitatively calculated and verified by comparing measured flashover voltages with calculated ones .
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研究真空表面闪络过程有两类理论:二次电子发射崩溃(SEEA)和电子引发极化松弛(ETPR)。
There are two kinds of theory for the vacuum surface flashover : secondary electron emission avalanche ( SEEA ) and electron triggered polarization relaxation ( ETPR ) .