偏移特性阻抗继电器常用于小电流或大电流接地系统中作为输电线路距离保护的测量元件。
LZ-22 partial impedance relay usually used as measuring element on distance protection of the line at small or big current power system.
在线路距离保护段范围发生故障时，利用对侧开关跳闸时序电流的突变量加速本侧保护的跳闸，改善了保护的性能。
This paper presents a novel approach to accelerated trip of power transmission lines by using biorthogonal wavelet transform to improve the performance of protection relays.
本文结合矿用供电网的实际情况和保护系统的现状，针对现有技术保护距离较短的缺点，提出了一种针对矿用供电线路的远距离故障在线监测的方案。
According to the actual situation of power supply network and protection system under mine, a long distance faults online monitoring program is presented for overcoming the short protection distance.
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.
结果表明，该算法具有良好的高频特性，适用于高压和超高压输电线路的距离保护。
The results of simulations and tests proved that this algorithm possesses excellent performance and is suitable for EHV transmission line protection.
但是短线路在两相短路时，由于测量电压的误差会放大，可能引起距离保护的超越。
Because the voltage measuring error increases when phase to phase short circuit occurs, distance relay protection will act improperly.
对四边形和方向圆特性阻抗继电器躲线路最大潮流的能力进行了详细分析，提出了距离保护负荷限制电阻的整定原则和整定方法，并给出了整定建议值。
It puts forward the setting principle and method of load limiting resistor of backup distance protection and gives the propositional setting value of load limiting resistor.
距离保护测量元件在线路保护中有广泛的应用。
The measuring elements of distance protection are extensively applied in transmission lines protection.
提出了一种应用能量平衡关系实现远距离输电线路保护的新原理。
A new technique for long transmission line protection based on the balance of energy principle is described in this paper.
光线路保护系统是一种基于现代通信毫秒级光开关为基础的具有重要实践意义的长距离光传输网络保护系统。
The optical line protection system (OLP) is a long-distance optical transmission network production system, which has a very important practical value.
主要分析了电力系统输电线路非全相运行对线路保护装置中距离判据的影响。
The effect of open-phase running of transmission line on distance criterion is analyzed.
本课题仿真计算的保护算法用于实现高压线路微机距离保护的反时限。
The algorithms of microprocessor distance protection emulated and calculated in this paper are used to realize the inverse time characteristic of microprocessor distance protection.
针对这种情况，从保护原理上对其超越情况进行分析，并对距离保护在双侧电源短线路的保护配合提出看法。
In this connection, the override is analyzed in terms of protection principles. Suggestions on protection coordination of short line with duplicate supply are put forth as well.
针对这种情况，从保护原理上对其超越情况进行分析，并对距离保护在双侧电源短线路的保护配合提出看法。
In this connection, the override is analyzed in terms of protection principles. Suggestions on protection coordination of short line with duplicate supply are put forth as well.
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