综合考虑节点电压关于线路电抗和系统无功功率变化的灵敏度，提出了电压失稳指标。
Considering the sensitivity of virtual nodal voltage to line reactance and variation of reactive power of power grid comprehensively, the voltage instability index is put forward.
通过该算法可得到节点电压对任何网络参数的灵敏度，比如线路电抗、电网无功功率的变化等。
By means of the proposed algorithm the sensitivity of nodal voltage to any network parameter can be obtained, such as line reactance, variation of reactive power of power grid and so on.
专线供电模式中，线路电抗性质所引起的无功损耗对线路两侧无功计量量值的影响，是客观事实。
In the special power supply model, the reactive power losses caused by the line reactance have an influence on the measurement of reactive power on both sides of the line, which is an objective fact.
所述单元块用于制造磁芯，该磁芯应用于PFC（功率因数校正）用有源滤波器、三相线路电抗器或汽车电子设备所用的电感器。
The unit block is used to produce cores applied to an active filter for PFC, a three-phase line reactor, or an inductor for automotive electronics.
选择了高抗中性点小电抗和线路接地刀闸的参数。
The parameters of neutral reactor for HV shunt reactors and the line ground switch are selected.
本文针对串联补偿线路接地距离保护，提出了一种新的电抗补偿系数方法。
In order to improve measuring accuracy of the earth-fault distance protection of series compensated line a new method which employs the reactive compensation factor is presented in this paper.
由于并联电抗器两侧的电流发生变化，传统的行波差动保护无法应用于带并联电抗器的输电线路。
Because of the current on the shunt reactor, traditional traveling wave differential protection cannot be applied to transmission line with shunt reactor.
电抗器可直接接在输电线路上或接在变压器第三绕组上，每种接法给系统带来不同的好处。
Reactors may be either directly connected to the transmission line or connected on transformer tertiary windings, each location offering specific system benefits.
针对带并联电抗器的超高压输电线路，提出一种单相自适应重合闸永久性故障识别的新方法。
A novel method of identifying permanent fault for single-phase adaptive reclosure in transmission lines with shunt reactors is proposed.
讨论了空载线路在电容效应下产生的工频过电压，并对并联电抗器抑制工频过电压的作用进行了理论分析。
The power frequency overvoltage of unloaded line because of the capacity effect is studied, and the effect of eliminating power frequency overvoltage using shunt reactors is analyzed.
特高压长线路可能在线路中间接入并联电抗器，从而有效补偿线路电容电流，抑制空载线路过电压。提出了在特高压长线路中间带并联电抗器时的线路分相电流差动保护原理。
Shunt reactor could be installed in the middle segment of the UHV transmission line, in order to compensate capacitive current of transmission line and limit over-voltage of line without load.
同时根据串联电抗器对系统稳定性影响的特点，筛选故障线路，以减少计算量。
The faulty lines are selected according to the characteristics of series reactors to reduce the computational load.
并联电抗器可以降低线路的稳态电容电流，但对故障暂态电容电流的作用不明显。
Shunt reactors can reduce the steady capacitive current but have unobvious effect on fault transient current.
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.
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.
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