在线测量无疑将成为输电线路参数测量的发展趋势。
No doubt on-line measurement method would be the trend for the transmission line parameters measurement.
提出一种基于长线方程的输电线路参数在线求解算法。
A long line equation based on line parameter estimation algorithm is proposed in this paper.
提出一种基于同步相量测量的输电线路参数在线求解方法。
An on line calculation method of transmission line parameters using synchronized phasor measurement is proposed.
由于回路之间互感作用的存在，给多回路输电线路参数的测量带来了很大的困难。
And it gives a huge challenge for the parameters measurement due to the mutual inductance effects between different lines.
在现有的故障测距算法中，输电线路参数都是作为已知恒量参与运算，其准确性是影响测距精度的一个重要因素。
In existing fault location algorithms the parameters of power transmission line are regarded as known constants, so the accuracy of fault location depends on that of the value of parameters.
特高压长距离输电线路呈显著的分布参数特性，其电容电流很大。
UHV long transmission line is of its distinct characteristics of distributed parameters and large capacitive currents.
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 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.
本文介绍了我国第一座大型观冰测试站内试验输电线路复冰振动各种参数测试的一套自动检测系统。
This paper introduces a system of China's first large looking ice station for automatic measuring of various parameters concerned with vibration of iced conductors.
本文应用以传输线方程为基础的在线测量法对同杆并架双回路输电线路的工频参数在线测量方法进行研究和探讨。
In this thesis, we use an on-line measurement method to study the parameters measurement for the double-circuit transmission lines which is based on the transmission line Equation.
提出了利用电缆接头温度参数来判断高压输电线路运行状态的方案。
A new method for judging the running state of HV overhead transmission lines was put forward according to the temperature parameter of power cable junction.
理论上讲，输电线路单位长度的电阻、电感、电容以及输电线路的实际长度等参数都是无法精确获得的。
Theoretically, the resistance, inductance and capacitance in per unit length, and the effective length of transmission line cannot be obtained accurately.
输电线路的电磁环境参数主要包括工频电场、工频磁场、无线电干扰和可听噪声四个方面。
The electromagnetic parameter of power transmission include: power frequency electrical field, power frequency magnetic field, radio inference (ri) and audible noise (an).
提出了架空输电线路直流融冰的两个重要参数：最小融冰电流和最大允许融冰电流的概念。
Two Critical concepts involved in direct current ice-melting technique of high voltage over head line, the least ice-melting current and the Max allowed current was presented.
弧垂是输电线路运行的一个重要参数，直接关系到电网运行的安全性和可靠性。
Sag is one of the most important parameters of power transmission line operation; and it will directly affect the security and the reliability of the electric network.
输电线路的零序参数尤其是多回互感线路的零序参数是电力系统继电保护整定计算需要的重要参数，所以其准确测量具有重要意义。
The zero-sequence parameter of transmission lines especially of transmission lines with mutual inductances is of great important in the relay protection setting calculation of power system.
基于高压输电线路的分布参数模型，使用线路两端电压、电流的正序和负序分量，对高压输电线路两点异相故障提出了一种新的测距算法。
Based on the distributed parameter model for transmission line, a new fault location method for short circuit fault of two points on different phases of the power transmission line is presented.
针对上述情况出现了很多带电测量输电线路零序互感参数的新的理论和技术，包括干扰法、增量法、微分法、积分法等。
Theories and technologies of live line measurement have appeared, including the interference method, the incremental method, the differential equation method and the integral equation method.
为了解决输电线路在高感应信号下，准确方便地测量线路的工频参数，针对架空输电线路工频参数传统测量方法的不足，提出了异频法测量线路工频参数。
Aiming at the shortage of traditional method of measuring power frequency parameters of overhead transmission lines, measurement of power frequency parameters by non power frequency is put forward.
在分析带并联电抗器输电线路单相故障特点的基础之上，提出一种利用参数识别原理的单相自适应重合闸永久性故障识别方法。
For transmission lines with two shunt reactors, this paper presents a novel method of identifying permanent faults for single-phase auto-reclosure.
首先，本文对目前存在的架空输电线路工频参数获取方法进行总结，研究了各种方法的理论基础。
Firstly, we study the theoretical basis of each parameters measurement method and then introduce the theories and implementations for the on-line and off-line measurement methods.
输电线路的零序参数尤其是多回互感线路的零序参数是电力系统继电保护整定计算需要的重要参数，所以其准确测量具有重要意义。
The incremental method, differential equation method and integral equation method are three main methods in zero-sequence parameters on-line measurement of transmission lines with mutual inductance.
输电线路的零序参数尤其是多回互感线路的零序参数是电力系统继电保护整定计算需要的重要参数，所以其准确测量具有重要意义。
The incremental method, differential equation method and integral equation method are three main methods in zero-sequence parameters on-line measurement of transmission lines with mutual inductance.
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