Based on the structure of UHVDC bus bar MOA,a 3-D finite element model was established;the potential and electric filed distribution of the bus bar MOA under the continuous operating voltage was calculated.
分析了恒定电场的计算方法;根据特高压直流母线避雷器的结构,建立三维有限元模型,计算了其在直流持续运行电压下的电位电场分布;结果表明,在直流电压下,避雷器电阻片上承担相同的电压,防晕环的主要作用是降低局部产生过高场强和防止电晕;同时对该避雷器的防晕环进行了结构优化。
Analysis on Failure of MOA for Converter Valve—— Thermal Runaway of DC MOA under Overvoltages;
换流阀避雷器损坏事故原因分析 直流避雷器在过电压下的热崩溃
The energy absorption capacity and thermal stability of resistors for DC MOA was studied.
研究了直流避雷器用电阻片能量吸收能力及热稳定性能。
The Installation ways of line surge arrester and its selection;
线路避雷器的安装方式及选择
To solve the calculation problem of line surge arrester shunting coefficient at line lightning protection,equivalent circuit of line surge arrester acting is built under three lightning damage conditions: direct lightning strike on top of transmission tower and on central span of overhead grounding wire,lightning shielding failure.
为了解决线路避雷器在防雷中的分流系数计算问题,针对雷电直击输电线路的杆塔顶部及档距中央避雷线和雷电绕击导线等三种雷害情况,建立线路避雷器动作时的等值电路,推导出线路避雷器在防雷中的分流系数计算公式。
In order to study the function of line surge arrester at line lightning protection,equivalent circuit of line surge operation had been built considering conditions of straight lightning strike on tower top and round strike to conductor.
为了研究线路避雷器在防雷中的作用,根据雷电直击杆塔顶部及绕击导线两种情况,建立线路避雷器动作时的等值电路,推导出考虑残压影响的线路避雷器对雷电流的分流计算公式。
Study on Improving Lightning Withstand Level of 330 kV Transmission Line with Line Arrester
线路避雷器提高330kV输电线路耐雷水平的研究
Application of Line Surge Arrester to Lightning Protection on the 60~# Pole of 110 kV Li-Mao Transmission Line
线路避雷器在110kV荔茂线60~#杆防雷中的应用
Application and Installation of Transmission Line Surge Arresters
输电线路避雷器的应用及其安装方案
Design and Application of Surge Arresters for 500 kV A.C. Power Transmission Lines
500kV线路避雷器的设计与应用
Application and Research on Line-surge Arrester on Transmission Line;
线路避雷器在输电线路中的应用与研究
Study on line arrester applied to improve the lightning performance of 10 kV distribution lines
应用线路避雷器提高10kV配电线路防雷性能的研究
Study of application schemes for line arresters based on GIS
基于GIS平台对线路避雷器应用方案的研究
The Analysis and Application of Line MOA on AnHui 220kV Transmisson Line;
安徽电网220kV输电线路安装线路避雷器的分析及应用
Analysis of MOA Application on HV Transmission Line
浅析线路型避雷器在高压输电线路的应用
Parameters Design for the 6 Class Line Discharge Test on MOA for 1000 kV UHV AC Systems
交流1000kV避雷器第6级线路放电试验参数设计
Calculation of Induced Overvoltage on Distribution Line and Optimization of Disposition of Arrester
限制配电线路感应过电压的避雷器布置优化
non-linear resistor type arrester
无线性电阻式避雷器
non linear resistance arrester
非线性电阻式避雷器
Application of Line MOA with Disconnector on the 6~35 kV Transmission Line of Shengli Petroleum
6~35 kV线路型带脱离器避雷器在胜利油田电网应用
Study on Application and priciple of ZnO Arrester with Air Gap in Transmission Lines;
高压输电线路氧化锌避雷器技术原理和应用方案的研究
Reason and Treatment on Leakage Current Exceeding Limit of 220kV Lightning Arrester
220kV线路氧化锌避雷器泄漏电流超标的原因及处理
Maintenance method for earth wire of 500 kV power transmission line after heavy damage by lightning stroke
500kV线路架空避雷线雷击损伤后抢修维护方法
Development of Data Remote Transmitting Online Monitor on MOA
数据远传型避雷器在线监测器的研制
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