A new high speed protection criterion for high voltage transmission line based on the wavelet transform of transient voltage signals from the two ends of the line is presented.
提出了一种基于双端电压暂态信号小波变换的高压输电线路快速保护算法。
Ultra-high voltage transmission line will be the main frame of power network in China.
交流特高压输电线路是我国未来统一电网的骨架。
The main development trend of high voltage transmission line's protection is the line fiber optical differential protection.
光纤电流差动保护是高压线路主保护的发展趋势。
An electrical transformer, transmission line on the side of low voltage and correlative users constitute the district of the electrical transformer.
配变和低压侧输电线路及其供给的用户群组成了配变台区。
So high voltage transmission line fault diagnosis and performance analysis are very important for security and stability of Power Systems.
因此，对输电线路的故障诊断和性能分析是极为重要和必要的。
Curren protection and voltage protection in transmission line as one method and principle of electric power system, they are very important protection.
输电线路电流保护和电压保护分别作为电力系统保护原理和手段之一，是十分重要的保护类型。
With being higher the voltage and varying of transmission line structure, the calculation method of lighting trip-out rates should be improved continually.
随着电压等级的提高及线路结构的变化，输电线路雷击跳闸率计算法也不断地改进。
When bearing operating voltage, switching overvoltage or atmospheric over-voltage in the process of operating, the transmission line are likely to occur insulation flashover accident.
输电线路在运行过程中承受工作电压、操作过电压或大气过电压时，都可能会发生绝缘闪络事故。
The precise location of high-voltage transmission line fault is of great significance and practical engineering value.
高压输电线路故障的准确定位具有非常重要的意义和工程实用价值。
While transmitting the load power, the high-voltage transmission line consumes the active power of its own, and absorbs or outputs the reactive power, which affects the power factor significantly.
高压输电线路在输送负荷功率的同时自身也消耗有功功率、吸收或输出无功功率，线路无功会对功率因数产生很大影响。
Patrol of High Voltage transmission Line is an important foundation to ensure the reliability of power transmission.
上压输电线道的巡检非保证否靠的电力输收的从要基本。
Lightning stroke is one of the important reasons that result in power failure. Tower lightning surge response performance is the important factor deciding transmission line lightning over-voltage.
雷击是导致输电线路故障的重要原因之一，杆塔的雷电冲击响应特性是决定输电线路雷电过电压的重要因素。
Through experiment the best eddy current exciting frequency for the detection of the high voltage transmission line is determined.
通过试验确定了高压输电导线电涡流检测的最佳激励频率。
Aimed at the pile foundation in frozen soil of a high voltage transmission line project in Xinjiang Region, a laboratory tensile model test is carried out under artificial frozen condition.
以新疆地区某高压输电线冻土桩基础受力分析为背景，在人工冻结条件下，进行了单桩的室内抗拔模型试验。
In accordance with the high and extra high voltage long distance transmission line, this paper presents a fault location method based on two terminal information of self synchronous rectification.
针对高压、超高压远距离输电线路，提出了一种应用双端信息自同步校正的故障测距法。
A unified power flow controller (UPFC) regulates the amount of active power and reactive power along the transmission line as well as the level of voltage of shunt busbar where the UPFC is installed.
统一潮流控制器(UPFC)的主要控制功能是潮流控制和电压控制，控制的水平由控制器的设定参考值决定。
The former's major design basis is the parameter of soil resistivity along the pipeline, the crossings of high-voltage DC transmission line with the pipeline etc.
前者的设计依据是沿线土壤的电阻率及输电线路与管道交叉等参数，后者主要是加压站内深井阳极地床。
The current loss in magnetically insulated transmission line (MITL) on pulsed power installation "S-300" is studied by measuring bremsstrahlung between the electrodes, current and voltage in the load.
在装置“S- 300”上，通过测量真空磁绝缘传输线中电极间电子流轫致辐射和负载上的电流、电压等参数，研究了磁绝缘传输线中的电流损失特性。
A method of electromagnetic sensor navigation of inspection robot for high-voltage transmission line is proposed.
提出了一种采用电磁传感器为高压巡线机器人沿输电线路相线进行导航的方法。
The galloping of iced conductor caused by wind load severely imperils the safe operation of the high voltage transmission line.
覆冰导线由于风载而造成的舞动，严重地威胁着输电线路的安全运行。
The high voltage transmission line is long and easy to go wrong.
高压输电线路输送距离长，易发生故障。
The voltage charged on transmission line will be unstable when capacity of transmission line is very low and the charging voltage is high. It then influences the stability of the output pulse.
传输线电容量小而充电电压高时，传输线上的充电电压不稳定，影响输出脉冲电压的稳定。
A new type of resistance divider used for high voltage pulse measurement has been developed based on the theory of transmission line.
运用传输线原理设计了一种测量高压快脉冲用的新型电阻分压器。
The approximate expression of various transient over-voltage have been obtained by analysis and deduction according to the simplified transmission line model.
根据简化后的集中参数线路模型，详细分析并推导了特高压系统各种操作过电压的近似表达式。
The grid today remains secure even when a single device, such as a high-voltage transmission line, fails.
目前的电力网路如果有一个装置损坏（如高压传输线）整个网路仍可不受影响。
High Voltage Transmission and Distribution, City Power Supply, Line Tower, Transformer Shell, High Voltage Switchboard and link system.
高压输配电、城市供电、线路的铁塔、变压器罩壳，高压开关柜及连接系统。
These factors including distribution of circuit breakers closing Angle, rated voltage of MOA and the insulation level of transmission line are considered.
同时还研究了断路器合闸相位角分布规律、MOA的额定电压、线路绝缘水平等因素的影响。
Comparative analysis of series compensated and non series compensated EHV transmission line in power frequency over-voltage and switching over-voltage is destriked in this paper.
对有补偿和无补偿的超高压输电线路在工频过电压、操作过电压方面进行了对比性研究。
Comparative analysis of series compensated and non series compensated EHV transmission line in power frequency over-voltage and switching over-voltage is destriked in this paper.
对有补偿和无补偿的超高压输电线路在工频过电压、操作过电压方面进行了对比性研究。
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